UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 6-K
REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
OF THE SECURITIES EXCHANGE ACT OF 1934
FOR THE MONTH OF APRIL 2025
COMMISSION FILE NUMBER 001-38976
Genmab A/S
(Exact name of Registrant as specified in its charter)
Carl Jacobsens Vej 30
2500 Valby
Denmark
+45 70 20 27 28
(Address of principal executive offices)
Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.
Form 20-F ⌧ Form 40-F ◻
This report on Form 6-K shall be deemed to be incorporated by reference in Genmab A/S’s registration statements on Form S-8 (File No. 333-232693, 333-253519, 333-262970, 333-277273 and 333-284876) and to be a part thereof from the date on which this report is filed, to the extent not superseded by documents or reports subsequently filed or furnished.
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
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GENMAB A/S |
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BY: |
/s/ Anthony Pagano |
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Name: Anthony Pagano |
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Title: Executive Vice President & Chief Financial Officer |
DATE: APRIL 22, 2025
EXHIBIT INDEX
Exhibit |
Description of Exhibit |
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99.1 |
Company Announcement Dated April 22, 2025: Transactions in Connection with Share Buy-back Program |
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99.1(a) |
Appendix Share buyback program – Specification for April 14 – April 18, 2025 |
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Exhibit 99.1

Transactions in Connection with Share Buy-back Program
Company Announcement
COPENHAGEN, Denmark; April 22, 2025 – Genmab A/S (Nasdaq: GMAB). On March 25, 2025, Genmab announced the initiation of a share buy-back program to repurchase up to 2.2 million shares to reduce capital and to honor our commitments under the Restricted Stock Unit program. The share buy-back program is expected to be completed no later than July 10, 2025.
The following transactions were executed under the program from April 14 to April 18, 2025:
Trading Platform |
No. of shares |
Average price (DKK) |
Total value (DKK) |
|
Accumulated through last announcement |
|
1,083,902 |
|
1,393,911,230.61 |
April 14, 2025 |
XCSE |
52,871 |
1,269.11 |
67,099,100.80 |
|
BCXE |
26,940 |
1,269.12 |
34,190,092.80 |
|
AQEU |
4,700 |
1,268.67 |
5,962,749.00 |
|
TQEX |
5,000 |
1,268.47 |
6,342,350.00 |
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Total |
89,511 |
|
113,594,292.60 |
April 15, 2025 |
XCSE |
53,900 |
1,295.52 |
69,828,654.08 |
BCXE |
28,000 |
1,295.71 |
36,279,880.00 |
|
|
AQEU |
5,000 |
1,295.84, |
6,479,200.00 |
|
TQEX |
5,000 |
1,295.64 |
6,478,200.00 |
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Total |
91,900 |
|
119,065,934.08 |
April 16, 2025 |
XCSE |
51,381 |
1,285.93 |
66,072,139.12 |
|
BCXE |
28,319 |
1,285.46 |
36,402,802.98 |
|
AQEU |
5,100 |
1,285.89 |
6,558,049.20 |
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TQEX |
5,418 |
1,285.64 |
6,965,574.22 |
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Total |
90,218 |
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115,998,569.37 |
April 17, 2025 |
XCSE |
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|
|
|
BCXE |
|
|
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AQEU |
|
|
|
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TQEX |
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|
|
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Total |
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|
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April 18, 2025 |
XCSE |
|
|
|
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BCXE |
|
|
|
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AQEU |
|
|
|
|
TQEX |
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|
|
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Total |
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Total |
|
271,629 |
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348,658,796.05 |
Accumulated under the program |
1,355,531 |
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1,742,570,026.66 |
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Details of each transaction are included as an appendix to this announcement.
Genmab A/S |
Tel: +45 7020 2728 |
Company Announcement no. 21 |
Carl Jacobsens Vej 30 |
Fax: +45 7020 2729 |
Page 1/2 |
2500 Valby, Denmark |
www.genmab.com |
CVR no. 2102 3884 |
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LEI Code 529900MTJPDPE4MHJ122 |

Transactions in Connection with Share Buy-back Program
Following these transactions, Genmab holds 1,808,284 shares as treasury shares, corresponding to 2.82% of the total share capital and voting rights.
The share buy-back program is undertaken in accordance with Regulation (EU) No. 596/2014 (‘MAR’) and the Commission Delegated Regulation (EU) 2016/1052, also referred to as the “Safe Harbour Regulation.” Further details on the terms of the share buy-back program can be found in our company announcement no. 14 dated March 25, 2025.
About Genmab
Genmab is an international biotechnology company with a core purpose of guiding its unstoppable team to strive toward improving the lives of patients with innovative and differentiated antibody therapeutics. For more than 25 years, its passionate, innovative and collaborative team has invented next-generation antibody technology platforms and leveraged translational, quantitative and data sciences, resulting in a proprietary pipeline including bispecific T-cell engagers, antibody-drug conjugates, next-generation immune checkpoint modulators and effector function-enhanced antibodies. By 2030, Genmab’s vision is to transform the lives of people with cancer and other serious diseases with knock-your-socks-off (KYSO) antibody medicines®.
Established in 1999, Genmab is headquartered in Copenhagen, Denmark, with international presence across North America, Europe and Asia Pacific. For more information, please visit Genmab.com and follow us on LinkedIn and X.
Contact:
Marisol Peron, Senior Vice President, Global Communications & Corporate Affairs
T: +1 609 524 0065; E: mmp@genmab.com
Andrew Carlsen, Vice President, Head of Investor Relations
T: +45 3377 9558; E: acn@genmab.com
This Company Announcement contains forward looking statements. The words “believe,” “expect,” “anticipate,” “intend” and “plan” and similar expressions identify forward looking statements. Actual results or performance may differ materially from any future results or performance expressed or implied by such statements. The important factors that could cause our actual results or performance to differ materially include, among others, risks associated with pre-clinical and clinical development of products, uncertainties related to the outcome and conduct of clinical trials including unforeseen safety issues, uncertainties related to product manufacturing, the lack of market acceptance of our products, our inability to manage growth, the competitive environment in relation to our business area and markets, our inability to attract and retain suitably qualified personnel, the unenforceability or lack of protection of our patents and proprietary rights, our relationships with affiliated entities, changes and developments in technology which may render our products or technologies obsolete, and other factors. For a further discussion of these risks, please refer to the risk management sections in Genmab’s most recent financial reports, which are available on www.genmab.com and the risk factors included in Genmab’s most recent Annual Report on Form 20-F and other filings with the U.S. Securities and Exchange Commission (SEC), which are available at www.sec.gov. Genmab does not undertake any obligation to update or revise forward looking statements in this Company Announcement nor to confirm such statements to reflect subsequent events or circumstances after the date made or in relation to actual results, unless required by law.
Genmab A/S and/or its subsidiaries own the following trademarks: Genmab®; the Y-shaped Genmab logo®; Genmab in combination with the Y-shaped Genmab logo®; HuMax®; DuoBody®; HexaBody®; DuoHexaBody®, HexElect® and KYSO®.
Genmab A/S |
Tel: +45 7020 2728 |
Company Announcement no. 21 |
Carl Jacobsens Vej 30 |
Fax: +45 7020 2729 |
Page 2/2 |
2500 Valby, Denmark |
www.genmab.com |
CVR no. 2102 3884 |
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LEI Code 529900MTJPDPE4MHJ122 |
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

Issuer |
Date |
Time CET |
Quantity |
Price (DKK) |
Venue |
GENMAB A/S |
14-Apr-2025 |
9:55:18 AM |
78 |
1259.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
9:55:30 AM |
82 |
1259.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
9:55:32 AM |
86 |
1258.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
9:56:01 AM |
76 |
1258.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
9:56:14 AM |
74 |
1258.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
9:56:31 AM |
84 |
1257.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
9:56:31 AM |
77 |
1257.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
9:56:32 AM |
76 |
1257.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
9:56:32 AM |
77 |
1256.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
9:56:32 AM |
3 |
1256.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
9:56:32 AM |
87 |
1257.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
9:56:33 AM |
38 |
1256.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
9:56:33 AM |
81 |
1256.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
9:56:33 AM |
83 |
1256.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:00:33 AM |
22 |
1258.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:00:33 AM |
53 |
1258.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:00:33 AM |
12 |
1258.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:00:33 AM |
25 |
1258.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:00:58 AM |
18 |
1260.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:02:01 AM |
85 |
1261.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:02:01 AM |
31 |
1261.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:02:01 AM |
15 |
1261.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:02:01 AM |
32 |
1261.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:04:31 AM |
52 |
1261.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:04:39 AM |
31 |
1260.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:04:39 AM |
53 |
1260.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:04:39 AM |
25 |
1260.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:04:39 AM |
8 |
1260.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:04:39 AM |
5 |
1260.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:04:39 AM |
7 |
1260.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:06:13 AM |
60 |
1261.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:06:45 AM |
88 |
1260.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
83 |
1259.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
3 |
1259.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
16 |
1259.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
8 |
1259.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
13 |
1259.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
5 |
1259.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
5 |
1259.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
15 |
1259.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
8 |
1259.50 |
XCSE |
1
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
30 |
1260.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
2 |
1259.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
5 |
1259.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
2 |
1259.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
7 |
1259.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
2 |
1259.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
6 |
1260.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
8 |
1259.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
2 |
1259.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:09:28 AM |
7 |
1259.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:09:47 AM |
39 |
1260.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:09:56 AM |
11 |
1260.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:09:56 AM |
10 |
1260.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:09:56 AM |
39 |
1260.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:10:03 AM |
39 |
1260.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:10:30 AM |
19 |
1260.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:10:30 AM |
39 |
1260.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:10:58 AM |
82 |
1259.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:10:58 AM |
50 |
1259.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:10:58 AM |
59 |
1259.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:10:58 AM |
3 |
1259.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:10:58 AM |
14 |
1259.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:10:58 AM |
29 |
1259.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:11:00 AM |
75 |
1258.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:11:00 AM |
13 |
1258.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:11:00 AM |
17 |
1258.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:11:58 AM |
9 |
1259.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:11:58 AM |
74 |
1259.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:11:58 AM |
84 |
1259.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:12:17 AM |
38 |
1260.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:13:21 AM |
21 |
1260.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:13:21 AM |
5 |
1260.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:13:21 AM |
48 |
1260.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:13:21 AM |
64 |
1260.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:13:21 AM |
27 |
1259.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:13:21 AM |
16 |
1260.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:13:21 AM |
11 |
1260.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:13:21 AM |
3 |
1260.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:13:21 AM |
24 |
1259.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:13:21 AM |
5 |
1259.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:13:21 AM |
10 |
1259.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:13:21 AM |
18 |
1259.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:13:22 AM |
76 |
1260.00 |
XCSE |
2
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
10:14:37 AM |
6 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:14:48 AM |
47 |
1263.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:14:58 AM |
84 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:15:05 AM |
84 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:15:05 AM |
24 |
1263.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:15:05 AM |
39 |
1263.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:15:05 AM |
36 |
1263.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:15:05 AM |
42 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:15:05 AM |
32 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:15:05 AM |
28 |
1263.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:15:22 AM |
87 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:15:22 AM |
6 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:15:22 AM |
9 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:15:22 AM |
5 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:15:22 AM |
5 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:15:22 AM |
2 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:15:22 AM |
1 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:15:22 AM |
25 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:15:22 AM |
3 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:15:22 AM |
7 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:15:22 AM |
8 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:15:22 AM |
9 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:15:22 AM |
5 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:15:22 AM |
3 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:15:23 AM |
20 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:19:02 AM |
41 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:19:08 AM |
41 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:21:37 AM |
20 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:21:40 AM |
28 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:21:40 AM |
13 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:21:43 AM |
28 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:21:43 AM |
21 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:21:43 AM |
14 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:21:56 AM |
28 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:21:56 AM |
28 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:21:58 AM |
28 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:21:58 AM |
28 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:21:58 AM |
28 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:22:39 AM |
11 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:22:39 AM |
32 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:22:39 AM |
49 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:23:28 AM |
12 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:23:28 AM |
23 |
1265.00 |
TQEX |
3
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
10:23:30 AM |
36 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:23:30 AM |
36 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
46 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
3 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
29 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
8 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
5 |
1264.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
13 |
1264.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
9 |
1264.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
6 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
3 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
34 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
44 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
26 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
9 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
2 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
3 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
4 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:23:38 AM |
43 |
1264.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:24:37 AM |
86 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:26:23 AM |
76 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:26:29 AM |
71 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:26:43 AM |
24 |
1265.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:28:29 AM |
12 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:29:42 AM |
36 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:29:43 AM |
36 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:29:43 AM |
5 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:30:37 AM |
91 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:30:37 AM |
21 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:30:38 AM |
90 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:30:38 AM |
22 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:30:38 AM |
91 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:30:38 AM |
21 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:30:47 AM |
48 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:30:47 AM |
32 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:30:47 AM |
32 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:30:47 AM |
4 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:30:48 AM |
31 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:30:50 AM |
112 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:31:14 AM |
36 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:31:36 AM |
34 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:32:02 AM |
45 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:32:02 AM |
41 |
1272.50 |
CEUX |
4
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
10:32:03 AM |
82 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:32:03 AM |
31 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:32:03 AM |
19 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:32:03 AM |
7 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:32:03 AM |
40 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:32:03 AM |
12 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:32:03 AM |
42 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:32:03 AM |
40 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:32:03 AM |
38 |
1273.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:32:04 AM |
47 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:32:04 AM |
31 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:32:04 AM |
34 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:32:04 AM |
31 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:32:04 AM |
32 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:32:17 AM |
31 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:32:17 AM |
32 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:32:18 AM |
4 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:32:30 AM |
89 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:32:30 AM |
39 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:32:30 AM |
16 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:32:30 AM |
30 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:32:30 AM |
83 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:32:30 AM |
11 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:32:30 AM |
32 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:32:39 AM |
84 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:32:39 AM |
27 |
1271.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:32:39 AM |
28 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:32:39 AM |
35 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:32:39 AM |
26 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:32:39 AM |
28 |
1271.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:33:08 AM |
83 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:33:08 AM |
8 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:33:09 AM |
78 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:33:26 AM |
25 |
1270.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:33:55 AM |
82 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:34:14 AM |
85 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:34:32 AM |
7 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:37:22 AM |
22 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:37:22 AM |
90 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:37:23 AM |
12 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:37:23 AM |
24 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:37:24 AM |
32 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:37:24 AM |
12 |
1270.00 |
CEUX |
5
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
10:37:24 AM |
3 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:37:40 AM |
22 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:37:40 AM |
3 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:38:10 AM |
31 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:38:21 AM |
13 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:38:21 AM |
12 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:38:30 AM |
85 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:38:32 AM |
27 |
1270.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:40:00 AM |
47 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:40:00 AM |
65 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:41:47 AM |
39 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:41:47 AM |
35 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:41:47 AM |
11 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:41:47 AM |
27 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:41:47 AM |
1 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:41:47 AM |
24 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:41:47 AM |
3 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:41:47 AM |
84 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:42:33 AM |
83 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:42:33 AM |
35 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:42:33 AM |
82 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:42:33 AM |
33 |
1270.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:42:45 AM |
17 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:43:07 AM |
83 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:43:07 AM |
27 |
1269.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:43:07 AM |
5 |
1269.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:43:15 AM |
58 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:43:15 AM |
24 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:45:42 AM |
10 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:46:59 AM |
64 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:46:59 AM |
20 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:46:59 AM |
35 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:46:59 AM |
26 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:46:59 AM |
83 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:47:10 AM |
26 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:47:10 AM |
35 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:47:21 AM |
28 |
1268.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:49:09 AM |
59 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:49:23 AM |
21 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:49:34 AM |
37 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:49:34 AM |
26 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:49:34 AM |
16 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:49:34 AM |
33 |
1269.50 |
XCSE |
6
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
10:50:10 AM |
11 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:50:10 AM |
39 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:50:10 AM |
23 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:50:40 AM |
45 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:51:05 AM |
3 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:51:05 AM |
28 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:51:05 AM |
86 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:51:05 AM |
37 |
1268.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:51:13 AM |
83 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:51:13 AM |
89 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:51:13 AM |
34 |
1267.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:53:59 AM |
73 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:54:34 AM |
89 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:54:34 AM |
27 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:54:34 AM |
89 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:54:34 AM |
36 |
1268.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:54:40 AM |
35 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:54:40 AM |
26 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:54:40 AM |
10 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:56:09 AM |
44 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:56:09 AM |
42 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:56:09 AM |
82 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
10:56:14 AM |
25 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
10:56:29 AM |
32 |
1268.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
10:56:40 AM |
48 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:56:40 AM |
32 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:56:40 AM |
21 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:56:40 AM |
11 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:59:24 AM |
84 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
10:59:30 AM |
34 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:00:23 AM |
31 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:00:23 AM |
9 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:01:00 AM |
12 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:01:00 AM |
100 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:01:02 AM |
36 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:01:34 AM |
75 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:01:34 AM |
5 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:03:43 AM |
88 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:03:43 AM |
27 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
11:03:43 AM |
39 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:03:43 AM |
47 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:03:43 AM |
20 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:04:42 AM |
5 |
1272.50 |
XCSE |
7
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
11:04:42 AM |
89 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:04:42 AM |
28 |
1273.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
11:05:41 AM |
35 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:05:41 AM |
13 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:05:41 AM |
41 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:05:41 AM |
84 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:05:41 AM |
25 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
11:05:41 AM |
5 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:05:41 AM |
5 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:05:41 AM |
32 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:05:45 AM |
32 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:06:34 AM |
46 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:06:34 AM |
26 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:06:39 AM |
13 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:06:39 AM |
26 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:06:40 AM |
13 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:07:03 AM |
29 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:07:03 AM |
4 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:07:03 AM |
82 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:07:03 AM |
26 |
1271.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
11:07:03 AM |
5 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:07:03 AM |
5 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:07:03 AM |
87 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:07:03 AM |
7 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:07:03 AM |
2 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:07:03 AM |
45 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:07:03 AM |
24 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:07:03 AM |
5 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:07:03 AM |
28 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
11:08:27 AM |
36 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:10:26 AM |
39 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:10:26 AM |
28 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:10:26 AM |
11 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:10:26 AM |
34 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:10:26 AM |
25 |
1272.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
11:10:26 AM |
87 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:10:30 AM |
43 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:10:40 AM |
5 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:11:16 AM |
21 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:11:20 AM |
62 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:12:10 AM |
35 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:12:10 AM |
53 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:12:10 AM |
25 |
1272.50 |
TQEX |
8
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
11:12:10 AM |
25 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
11:14:42 AM |
55 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:14:42 AM |
12 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:14:42 AM |
17 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:14:42 AM |
28 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:15:55 AM |
39 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:15:55 AM |
28 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:16:12 AM |
33 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:16:12 AM |
15 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:16:12 AM |
39 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:16:13 AM |
49 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:17:02 AM |
85 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:17:48 AM |
32 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:18:16 AM |
15 |
1273.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
11:18:16 AM |
46 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:18:16 AM |
27 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:18:16 AM |
12 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:18:17 AM |
10 |
1273.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
11:18:29 AM |
39 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:18:29 AM |
26 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:18:29 AM |
21 |
1273.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
11:18:29 AM |
12 |
1273.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
11:19:49 AM |
55 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:20:18 AM |
32 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:20:18 AM |
13 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:20:18 AM |
12 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:20:18 AM |
26 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
11:20:18 AM |
25 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
11:20:20 AM |
58 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:20:20 AM |
11 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:20:20 AM |
82 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:20:23 AM |
3 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:20:25 AM |
88 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:20:25 AM |
50 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:20:25 AM |
3 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:20:25 AM |
58 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:20:25 AM |
1 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:20:25 AM |
47 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:20:25 AM |
42 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:21:29 AM |
31 |
1271.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
11:22:17 AM |
88 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:22:17 AM |
25 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:22:17 AM |
25 |
1271.50 |
TQEX |
9
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
11:23:09 AM |
82 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:23:31 AM |
38 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:23:31 AM |
87 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:23:50 AM |
35 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:24:18 AM |
48 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:24:18 AM |
34 |
1270.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
11:26:33 AM |
35 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:26:33 AM |
13 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:26:33 AM |
47 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:26:33 AM |
75 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:26:33 AM |
10 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:29:38 AM |
89 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:29:38 AM |
58 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:29:38 AM |
13 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:29:38 AM |
25 |
1271.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
11:29:38 AM |
85 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:29:53 AM |
10 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:29:53 AM |
21 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:30:48 AM |
22 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
11:31:44 AM |
84 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:31:45 AM |
51 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:31:45 AM |
47 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:31:45 AM |
14 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:31:45 AM |
76 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:31:45 AM |
6 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:32:10 AM |
10 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:32:10 AM |
58 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:32:10 AM |
44 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:32:57 AM |
85 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:32:57 AM |
25 |
1274.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
11:32:57 AM |
25 |
1274.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
11:32:57 AM |
83 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:35:50 AM |
13 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:36:59 AM |
84 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:36:59 AM |
68 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:36:59 AM |
15 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:36:59 AM |
25 |
1273.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
11:36:59 AM |
75 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:37:00 AM |
31 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:37:00 AM |
11 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:37:13 AM |
35 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:37:24 AM |
27 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:37:26 AM |
35 |
1273.00 |
XCSE |
10
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
11:37:26 AM |
21 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:39:00 AM |
31 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:39:00 AM |
29 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
11:39:00 AM |
26 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
11:39:00 AM |
45 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:39:00 AM |
3 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:39:30 AM |
50 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:39:30 AM |
58 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:39:49 AM |
25 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:39:49 AM |
1 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:40:43 AM |
50 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:40:43 AM |
12 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:41:29 AM |
84 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:42:50 AM |
37 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:43:30 AM |
5 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:43:55 AM |
44 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:44:20 AM |
83 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:44:20 AM |
25 |
1275.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
11:45:17 AM |
15 |
1275.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:45:48 AM |
39 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:46:19 AM |
38 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:46:19 AM |
55 |
1275.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:46:19 AM |
32 |
1275.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:46:24 AM |
26 |
1275.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
11:46:30 AM |
47 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:46:30 AM |
35 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:46:30 AM |
11 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:46:30 AM |
49 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:46:30 AM |
36 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:46:30 AM |
10 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:46:30 AM |
2 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:47:37 AM |
32 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:47:37 AM |
25 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:48:01 AM |
82 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:48:01 AM |
26 |
1274.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
11:48:01 AM |
74 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:49:01 AM |
24 |
1273.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
11:49:01 AM |
25 |
1273.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
11:49:01 AM |
86 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:50:09 AM |
66 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:51:43 AM |
9 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:54:34 AM |
25 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
11:54:44 AM |
22 |
1272.50 |
AQEU |
11
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
11:55:19 AM |
16 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:55:57 AM |
36 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:56:20 AM |
29 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:56:20 AM |
27 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:56:20 AM |
11 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:56:20 AM |
11 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:56:21 AM |
10 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:56:21 AM |
1 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:58:08 AM |
42 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:58:08 AM |
50 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:58:08 AM |
42 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:58:08 AM |
11 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:58:08 AM |
6 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:59:13 AM |
8 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:59:13 AM |
10 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:59:13 AM |
35 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:59:13 AM |
43 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:59:13 AM |
15 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:59:13 AM |
1 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:59:13 AM |
62 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:59:13 AM |
13 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:59:13 AM |
37 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:59:14 AM |
6 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:59:14 AM |
12 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:59:14 AM |
12 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:59:20 AM |
10 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:59:20 AM |
87 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
11:59:21 AM |
38 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
11:59:51 AM |
36 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:01:10 PM |
84 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:01:10 PM |
36 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:01:43 PM |
47 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:01:43 PM |
58 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:01:43 PM |
7 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:01:43 PM |
29 |
1274.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
12:01:43 PM |
35 |
1274.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
12:01:44 PM |
3 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:02:59 PM |
33 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:02:59 PM |
37 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:02:59 PM |
2 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:04:04 PM |
76 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:04:04 PM |
8 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:04:04 PM |
32 |
1276.00 |
CEUX |
12
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
12:04:04 PM |
1 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:04:20 PM |
74 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:04:20 PM |
15 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:04:20 PM |
36 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:04:20 PM |
4 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:04:25 PM |
36 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:05:01 PM |
14 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:05:05 PM |
39 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:05:27 PM |
6 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:05:45 PM |
5 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:05:45 PM |
6 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:06:19 PM |
6 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:06:19 PM |
6 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:06:19 PM |
36 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:06:30 PM |
46 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:06:37 PM |
18 |
1275.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:06:38 PM |
42 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:07:16 PM |
25 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:08:11 PM |
28 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:08:43 PM |
83 |
1275.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:09:01 PM |
40 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:10:39 PM |
63 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:10:41 PM |
20 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:10:41 PM |
6 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:11:05 PM |
6 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:13:03 PM |
15 |
1276.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:13:13 PM |
82 |
1276.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:13:55 PM |
48 |
1277.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:14:27 PM |
10 |
1277.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:14:27 PM |
23 |
1277.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:16:12 PM |
45 |
1277.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:16:19 PM |
78 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:16:19 PM |
45 |
1276.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
12:16:19 PM |
3 |
1276.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:17:07 PM |
8 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:17:07 PM |
2 |
1276.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
12:17:07 PM |
44 |
1276.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
12:17:08 PM |
44 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:17:08 PM |
13 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:17:08 PM |
44 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:17:09 PM |
99 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:17:09 PM |
13 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:17:09 PM |
99 |
1276.00 |
XCSE |
13
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
12:17:09 PM |
13 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:17:09 PM |
1 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:19:43 PM |
44 |
1276.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:20:44 PM |
49 |
1276.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:20:44 PM |
40 |
1276.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:21:49 PM |
36 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:21:49 PM |
39 |
1276.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
12:21:49 PM |
15 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:21:49 PM |
86 |
1275.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:21:51 PM |
36 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:21:53 PM |
36 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:21:53 PM |
23 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:21:53 PM |
13 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:21:53 PM |
35 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:21:53 PM |
10 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:21:53 PM |
31 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:21:53 PM |
11 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:21:53 PM |
11 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:21:53 PM |
43 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:21:53 PM |
36 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:21:53 PM |
11 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:25:09 PM |
84 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:27:45 PM |
30 |
1278.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:27:45 PM |
10 |
1278.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:27:45 PM |
35 |
1278.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:27:45 PM |
37 |
1278.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:27:46 PM |
24 |
1278.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:27:46 PM |
10 |
1278.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:27:46 PM |
11 |
1278.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:27:46 PM |
30 |
1278.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:27:46 PM |
11 |
1278.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:27:46 PM |
26 |
1278.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:27:56 PM |
27 |
1277.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:28:47 PM |
47 |
1277.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:29:03 PM |
83 |
1277.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:29:03 PM |
38 |
1277.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:29:03 PM |
84 |
1277.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:29:03 PM |
10 |
1277.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:30:13 PM |
84 |
1276.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:32:39 PM |
66 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:34:13 PM |
23 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:34:13 PM |
10 |
1276.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:34:13 PM |
53 |
1276.00 |
TQEX |
14
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
12:34:13 PM |
39 |
1276.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
12:34:49 PM |
84 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:34:49 PM |
27 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:34:49 PM |
11 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:34:49 PM |
43 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:34:49 PM |
31 |
1275.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
12:34:49 PM |
28 |
1275.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
12:34:49 PM |
36 |
1275.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:34:49 PM |
2 |
1275.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:34:49 PM |
47 |
1275.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:34:49 PM |
86 |
1275.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:35:50 PM |
51 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:35:50 PM |
35 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:40:28 PM |
31 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:40:28 PM |
54 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:40:41 PM |
11 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:40:41 PM |
11 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:40:41 PM |
1 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:40:41 PM |
5 |
1275.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:40:41 PM |
5 |
1275.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:40:41 PM |
6 |
1275.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:41:45 PM |
35 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:41:45 PM |
43 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:41:45 PM |
34 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:41:45 PM |
13 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:41:45 PM |
43 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:41:45 PM |
13 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:41:45 PM |
13 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:41:45 PM |
30 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:41:45 PM |
36 |
1275.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:41:45 PM |
5 |
1275.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:41:45 PM |
1 |
1275.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:41:45 PM |
48 |
1275.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:41:45 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:09 PM |
64 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:42:09 PM |
1 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:09 PM |
16 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:09 PM |
13 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:09 PM |
11 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:09 PM |
22 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:10 PM |
1 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:11 PM |
2 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:23 PM |
36 |
1274.50 |
CEUX |
15
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
12:42:23 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:23 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:23 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:23 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:23 PM |
32 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:23 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:23 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:24 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:24 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:24 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:24 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:24 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:24 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:25 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:25 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:25 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:25 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:25 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:25 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:25 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:25 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:25 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:26 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:26 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:26 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:26 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:26 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:26 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:27 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:27 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:27 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:27 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:27 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:27 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:27 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:27 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:27 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:57 PM |
15 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:57 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:57 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:57 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:57 PM |
11 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:42:57 PM |
7 |
1274.50 |
CEUX |
16
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
12:43:14 PM |
24 |
1274.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
12:43:14 PM |
7 |
1274.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
12:43:14 PM |
25 |
1274.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
12:43:14 PM |
84 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:43:40 PM |
47 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:43:40 PM |
6 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:47:09 PM |
23 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:47:15 PM |
63 |
1274.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
12:47:15 PM |
67 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:47:47 PM |
22 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:49:39 PM |
35 |
1275.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
12:49:53 PM |
11 |
1275.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
12:51:13 PM |
12 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:51:13 PM |
1 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:51:13 PM |
11 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:51:13 PM |
34 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:51:13 PM |
85 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:53:26 PM |
49 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:53:26 PM |
13 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:53:26 PM |
43 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:53:26 PM |
7 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:53:27 PM |
14 |
1274.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
12:53:29 PM |
40 |
1274.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
12:53:38 PM |
83 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:53:39 PM |
46 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:53:39 PM |
12 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:53:39 PM |
43 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:53:39 PM |
11 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:53:40 PM |
10 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:53:40 PM |
11 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:53:40 PM |
43 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:53:40 PM |
48 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:54:54 PM |
28 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:54:54 PM |
12 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:54:54 PM |
12 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:54:54 PM |
13 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:54:54 PM |
43 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:54:54 PM |
10 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:54:54 PM |
43 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:54:54 PM |
12 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:54:54 PM |
13 |
1275.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:55:48 PM |
45 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:56:09 PM |
9 |
1274.00 |
TQEX |
17
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
12:56:09 PM |
9 |
1274.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
12:56:09 PM |
13 |
1275.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:56:15 PM |
11 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:56:16 PM |
1 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:56:20 PM |
57 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:57:25 PM |
86 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:57:25 PM |
25 |
1275.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
12:57:29 PM |
27 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
12:57:30 PM |
10 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:57:30 PM |
32 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:58:08 PM |
59 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:58:09 PM |
28 |
1274.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
12:58:11 PM |
27 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
12:58:11 PM |
26 |
1274.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:00:08 PM |
68 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:00:08 PM |
36 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:00:23 PM |
11 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:00:30 PM |
26 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:01:16 PM |
7 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:01:16 PM |
47 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:01:16 PM |
43 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:01:16 PM |
5 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:02:50 PM |
39 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:02:50 PM |
43 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:02:50 PM |
11 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:02:50 PM |
10 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:02:50 PM |
9 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:04:40 PM |
1 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:04:40 PM |
43 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:04:40 PM |
11 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:04:40 PM |
12 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:04:40 PM |
21 |
1275.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:04:41 PM |
36 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:06:23 PM |
85 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:06:40 PM |
88 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:06:40 PM |
43 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:06:40 PM |
12 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:06:40 PM |
13 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:06:40 PM |
4 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:06:40 PM |
13 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:06:40 PM |
27 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:06:40 PM |
26 |
1274.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:06:40 PM |
30 |
1274.00 |
CEUX |
18
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
1:06:49 PM |
10 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:06:49 PM |
41 |
1273.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:06:49 PM |
2 |
1273.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:06:49 PM |
11 |
1273.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:07:27 PM |
77 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:07:27 PM |
3 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:07:27 PM |
9 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:07:27 PM |
36 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:07:27 PM |
1 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:07:27 PM |
47 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:07:27 PM |
4 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:07:27 PM |
20 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:07:27 PM |
64 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:07:48 PM |
15 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:08:04 PM |
33 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:08:04 PM |
42 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:08:04 PM |
12 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:08:04 PM |
73 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:08:06 PM |
12 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:08:06 PM |
74 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:12:33 PM |
8 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:12:51 PM |
74 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:13:00 PM |
27 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:13:00 PM |
27 |
1271.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:13:00 PM |
3 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:13:46 PM |
11 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:13:46 PM |
11 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:13:46 PM |
43 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:13:47 PM |
10 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:13:47 PM |
43 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:13:47 PM |
30 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:13:47 PM |
12 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:13:47 PM |
11 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:14:13 PM |
36 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:14:13 PM |
49 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:14:13 PM |
25 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:14:13 PM |
25 |
1271.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:14:58 PM |
16 |
1270.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:15:30 PM |
89 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:16:27 PM |
4 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:16:27 PM |
26 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:16:28 PM |
26 |
1270.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:16:53 PM |
86 |
1269.00 |
XCSE |
19
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
1:16:53 PM |
86 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:18:29 PM |
7 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:18:29 PM |
25 |
1268.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:18:29 PM |
82 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:18:30 PM |
85 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:18:53 PM |
86 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:21:41 PM |
89 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:21:41 PM |
33 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:21:42 PM |
27 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:21:42 PM |
53 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:24:11 PM |
13 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:24:11 PM |
43 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:24:11 PM |
31 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:24:11 PM |
25 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:24:12 PM |
13 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:24:53 PM |
72 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:25:02 PM |
12 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:25:02 PM |
11 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:25:02 PM |
25 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:25:02 PM |
31 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:25:02 PM |
33 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:25:02 PM |
25 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:25:04 PM |
84 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:25:04 PM |
15 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:25:50 PM |
82 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:25:50 PM |
86 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:27:53 PM |
11 |
1272.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:27:58 PM |
14 |
1272.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:29:16 PM |
87 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:29:16 PM |
25 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:29:16 PM |
41 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:29:16 PM |
47 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:31:00 PM |
49 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:31:20 PM |
12 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:31:20 PM |
21 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:31:45 PM |
14 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:31:50 PM |
13 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:31:50 PM |
28 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:31:51 PM |
17 |
1271.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:32:02 PM |
55 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:32:13 PM |
84 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:32:13 PM |
16 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:32:14 PM |
9 |
1271.50 |
AQEU |
20
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
1:34:27 PM |
41 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:34:27 PM |
71 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:34:29 PM |
25 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:34:29 PM |
21 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:34:39 PM |
83 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:34:39 PM |
68 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:34:40 PM |
13 |
1270.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:34:40 PM |
12 |
1270.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:37:14 PM |
11 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:37:14 PM |
22 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:37:14 PM |
29 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:37:14 PM |
31 |
1270.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:38:10 PM |
47 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:38:10 PM |
12 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:38:10 PM |
10 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:38:10 PM |
41 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:38:10 PM |
2 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:38:20 PM |
85 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:40:59 PM |
36 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:44:09 PM |
20 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:44:10 PM |
12 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:44:10 PM |
15 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:45:11 PM |
31 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:45:11 PM |
52 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:46:09 PM |
41 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:46:09 PM |
12 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:46:09 PM |
22 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:46:09 PM |
36 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:46:09 PM |
14 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:46:35 PM |
26 |
1270.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:47:39 PM |
54 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:47:39 PM |
14 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:48:58 PM |
19 |
1270.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:48:58 PM |
36 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:48:58 PM |
3 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:48:59 PM |
50 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:48:59 PM |
11 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:50:29 PM |
35 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:50:29 PM |
28 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:50:29 PM |
2 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:50:29 PM |
20 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:50:53 PM |
63 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:51:10 PM |
45 |
1270.00 |
CEUX |
21
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
1:51:42 PM |
37 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:53:23 PM |
6 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:53:23 PM |
43 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:53:23 PM |
12 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:53:23 PM |
10 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:53:23 PM |
35 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:53:23 PM |
43 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:53:23 PM |
10 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:53:23 PM |
11 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:53:23 PM |
32 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:53:23 PM |
11 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:53:23 PM |
14 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:53:23 PM |
30 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:53:23 PM |
5 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:53:23 PM |
6 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:53:37 PM |
28 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:53:50 PM |
24 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:53:50 PM |
14 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:53:50 PM |
19 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:54:49 PM |
26 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:54:49 PM |
13 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:54:49 PM |
13 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:55:16 PM |
42 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:55:16 PM |
12 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:55:16 PM |
12 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:55:16 PM |
5 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:55:16 PM |
5 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:55:17 PM |
36 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:55:17 PM |
5 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:55:17 PM |
5 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:55:18 PM |
36 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:56:02 PM |
6 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
35 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
11 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
43 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
11 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
4 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
13 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
43 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
10 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
12 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
34 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
30 |
1271.00 |
XCSE |
22
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
12 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
13 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
10 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
43 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
4 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
36 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
6 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
5 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
6 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
1 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
47 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:56:29 PM |
30 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:56:30 PM |
12 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:30 PM |
13 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:30 PM |
43 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:30 PM |
13 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:30 PM |
31 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:30 PM |
11 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:30 PM |
12 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:30 PM |
13 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:30 PM |
43 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:30 PM |
33 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:30 PM |
25 |
1270.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:56:30 PM |
16 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:56:30 PM |
35 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:56:30 PM |
6 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:56:40 PM |
49 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:40 PM |
10 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:40 PM |
43 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:40 PM |
10 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:40 PM |
17 |
1270.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:56:44 PM |
85 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:56:44 PM |
35 |
1270.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:58:10 PM |
89 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
1:58:10 PM |
22 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:58:10 PM |
3 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
1:58:10 PM |
32 |
1269.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
1:58:10 PM |
82 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
1:58:29 PM |
82 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:00:13 PM |
86 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:01:57 PM |
42 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:01:57 PM |
40 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:01:57 PM |
35 |
1268.50 |
XCSE |
23
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
2:01:57 PM |
12 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:02:01 PM |
31 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:02:01 PM |
13 |
1268.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:03:04 PM |
60 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:03:04 PM |
7 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:03:04 PM |
14 |
1268.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:03:04 PM |
26 |
1268.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:03:04 PM |
20 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:03:04 PM |
28 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:03:04 PM |
42 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:03:09 PM |
8 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:04:19 PM |
42 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:04:19 PM |
10 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:04:19 PM |
13 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:04:22 PM |
10 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:04:22 PM |
13 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:04:47 PM |
2 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:04:52 PM |
10 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:04:52 PM |
43 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:04:52 PM |
11 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:04:52 PM |
11 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:04:52 PM |
2 |
1269.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:04:52 PM |
2 |
1269.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:05:11 PM |
32 |
1269.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:05:20 PM |
11 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:05:20 PM |
12 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:05:20 PM |
43 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:05:20 PM |
35 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:05:20 PM |
11 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:05:34 PM |
77 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:05:34 PM |
6 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:05:34 PM |
36 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:05:35 PM |
32 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:05:35 PM |
65 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:07:05 PM |
24 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:08:49 PM |
7 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:08:49 PM |
43 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:08:49 PM |
37 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:08:49 PM |
4 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:08:49 PM |
3 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:08:49 PM |
6 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:08:49 PM |
5 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:08:49 PM |
1 |
1268.00 |
TQEX |
24
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
2:08:49 PM |
24 |
1268.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:08:49 PM |
8 |
1268.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:08:49 PM |
37 |
1268.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:08:49 PM |
2 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:09:09 PM |
3 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:09:29 PM |
64 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:09:30 PM |
5 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:09:30 PM |
10 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:09:30 PM |
13 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:09:30 PM |
10 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:09:30 PM |
10 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:09:30 PM |
7 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:09:48 PM |
17 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:09:54 PM |
31 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:09:54 PM |
36 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:09:54 PM |
11 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:09:54 PM |
5 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:09:54 PM |
6 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:09:54 PM |
5 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:10:08 PM |
6 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:10:09 PM |
11 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:10:09 PM |
6 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:10:09 PM |
5 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:10:09 PM |
3 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:10:09 PM |
2 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:10:09 PM |
5 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:10:09 PM |
6 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:10:11 PM |
35 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:10:11 PM |
8 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:10:11 PM |
31 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:10:14 PM |
5 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:10:14 PM |
5 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:10:14 PM |
6 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:10:23 PM |
10 |
1268.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:11:05 PM |
12 |
1268.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:11:05 PM |
14 |
1268.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:11:11 PM |
8 |
1268.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:11:12 PM |
66 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:11:12 PM |
3 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:12:09 PM |
20 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:12:09 PM |
65 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:12:14 PM |
35 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:12:14 PM |
15 |
1267.50 |
XCSE |
25
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
2:12:14 PM |
48 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:13:05 PM |
38 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:13:05 PM |
20 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:13:16 PM |
15 |
1267.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:13:50 PM |
43 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:13:50 PM |
7 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:13:50 PM |
43 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:13:50 PM |
19 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:13:50 PM |
36 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:13:50 PM |
5 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:13:50 PM |
6 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:13:50 PM |
6 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:14:01 PM |
87 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:14:01 PM |
9 |
1267.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:14:01 PM |
14 |
1267.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:14:01 PM |
16 |
1267.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:14:01 PM |
33 |
1268.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:14:01 PM |
25 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:16:22 PM |
35 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:16:22 PM |
80 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:16:22 PM |
2 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:16:22 PM |
35 |
1268.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:16:22 PM |
15 |
1268.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:16:22 PM |
87 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:16:29 PM |
16 |
1268.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:17:59 PM |
33 |
1267.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:18:00 PM |
21 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:18:52 PM |
30 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:18:52 PM |
50 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:18:52 PM |
30 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:18:52 PM |
2 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:18:52 PM |
43 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:18:52 PM |
43 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:18:52 PM |
10 |
1267.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:19:20 PM |
19 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:19:51 PM |
10 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:19:51 PM |
47 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:19:51 PM |
5 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:21:37 PM |
31 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:21:44 PM |
45 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:21:44 PM |
7 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:21:44 PM |
60 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:21:44 PM |
33 |
1270.00 |
CEUX |
26
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
2:21:44 PM |
44 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:21:44 PM |
35 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:21:56 PM |
17 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:22:34 PM |
9 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:22:38 PM |
36 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:22:38 PM |
5 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:22:40 PM |
36 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:22:40 PM |
6 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:23:42 PM |
67 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:23:44 PM |
2 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:23:46 PM |
62 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:23:46 PM |
21 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:24:00 PM |
10 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:24:00 PM |
41 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:24:00 PM |
43 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:24:00 PM |
18 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:24:49 PM |
85 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:26:49 PM |
89 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:26:49 PM |
112 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:26:49 PM |
57 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:26:49 PM |
30 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:26:49 PM |
25 |
1270.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:26:49 PM |
36 |
1271.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:26:49 PM |
40 |
1270.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:26:49 PM |
84 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:26:49 PM |
25 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:26:49 PM |
25 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:26:51 PM |
18 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:27:26 PM |
1 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:27:26 PM |
69 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:28:52 PM |
42 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:28:52 PM |
84 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:29:13 PM |
76 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:32:19 PM |
87 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:32:19 PM |
54 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:32:19 PM |
10 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:32:19 PM |
35 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:32:19 PM |
13 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:32:19 PM |
49 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:32:19 PM |
12 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:32:19 PM |
51 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:32:19 PM |
7 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:32:19 PM |
5 |
1271.00 |
TQEX |
27
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
2:32:19 PM |
22 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:32:19 PM |
84 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:32:19 PM |
4 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:32:32 PM |
9 |
1271.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:32:44 PM |
18 |
1271.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:33:10 PM |
54 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:33:10 PM |
10 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:36:33 PM |
13 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:36:33 PM |
54 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:36:33 PM |
11 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:36:33 PM |
28 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:38:04 PM |
48 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:38:23 PM |
48 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:38:23 PM |
36 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:38:25 PM |
48 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:38:26 PM |
48 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:38:26 PM |
48 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:38:26 PM |
14 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:38:27 PM |
48 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:40:36 PM |
85 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:40:36 PM |
45 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:40:36 PM |
54 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:40:36 PM |
19 |
1273.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:40:36 PM |
9 |
1273.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:40:36 PM |
8 |
1273.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:40:37 PM |
48 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:40:37 PM |
54 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:40:37 PM |
10 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:40:37 PM |
61 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:40:37 PM |
22 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:40:41 PM |
85 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:40:47 PM |
1 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:42:03 PM |
38 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:42:03 PM |
54 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:42:03 PM |
84 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:42:03 PM |
5 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:42:03 PM |
30 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:42:03 PM |
14 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:42:10 PM |
21 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:42:10 PM |
2 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:42:20 PM |
84 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:42:20 PM |
36 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:42:20 PM |
88 |
1272.00 |
CEUX |
28
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
2:43:03 PM |
36 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:43:53 PM |
82 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:43:53 PM |
5 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:43:53 PM |
25 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:43:53 PM |
24 |
1271.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:43:53 PM |
36 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:43:54 PM |
16 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:43:54 PM |
6 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:43:58 PM |
12 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:43:59 PM |
11 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:43:59 PM |
12 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:46:13 PM |
12 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:46:13 PM |
34 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:46:13 PM |
47 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:46:13 PM |
23 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:46:37 PM |
51 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:46:37 PM |
1 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:48:13 PM |
40 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:48:13 PM |
35 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:48:13 PM |
19 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:48:13 PM |
13 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:48:17 PM |
12 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:48:17 PM |
10 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:48:17 PM |
40 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:48:17 PM |
35 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:48:17 PM |
41 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:48:18 PM |
36 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:48:18 PM |
6 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:48:18 PM |
48 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:48:18 PM |
70 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:48:18 PM |
13 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:48:30 PM |
10 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:48:30 PM |
40 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:48:30 PM |
13 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:48:30 PM |
47 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:48:30 PM |
2 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:48:30 PM |
17 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:48:30 PM |
8 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:48:30 PM |
62 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:49:30 PM |
9 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:49:30 PM |
40 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:49:30 PM |
10 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:49:30 PM |
13 |
1272.00 |
XCSE |
29
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
2:49:30 PM |
35 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:49:31 PM |
5 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:49:31 PM |
5 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:49:31 PM |
5 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:49:31 PM |
5 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:49:32 PM |
11 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:51:23 PM |
40 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:51:23 PM |
13 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:51:23 PM |
59 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:51:23 PM |
89 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:51:23 PM |
86 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:52:49 PM |
85 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:53:51 PM |
2 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:53:51 PM |
29 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:53:51 PM |
4 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:53:51 PM |
14 |
1271.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:53:55 PM |
35 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:53:55 PM |
13 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:53:55 PM |
40 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:53:55 PM |
10 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:53:55 PM |
11 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:53:55 PM |
3 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:53:55 PM |
18 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:53:55 PM |
2 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:53:55 PM |
62 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:53:56 PM |
9 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:53:56 PM |
41 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:53:56 PM |
3 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:53:56 PM |
10 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:53:56 PM |
38 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:53:56 PM |
7 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:54:00 PM |
46 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:54:00 PM |
41 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:54:00 PM |
28 |
1270.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:54:01 PM |
5 |
1270.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:54:01 PM |
25 |
1270.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:54:02 PM |
84 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:54:20 PM |
25 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
2:55:56 PM |
17 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:55:56 PM |
13 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:55:56 PM |
11 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:56:08 PM |
12 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:56:09 PM |
11 |
1270.50 |
XCSE |
30
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
2:56:09 PM |
13 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:56:20 PM |
13 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:56:20 PM |
11 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:56:21 PM |
11 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:57:05 PM |
21 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:57:09 PM |
43 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:57:09 PM |
18 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:57:34 PM |
35 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:57:34 PM |
39 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:57:34 PM |
36 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:57:34 PM |
6 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:57:34 PM |
6 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:58:20 PM |
47 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:58:59 PM |
6 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:58:59 PM |
6 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
2:59:03 PM |
11 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:59:03 PM |
13 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:59:05 PM |
22 |
1270.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:59:10 PM |
10 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:59:10 PM |
40 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:59:10 PM |
10 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:59:10 PM |
12 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:59:43 PM |
24 |
1270.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
2:59:50 PM |
10 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:59:50 PM |
12 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:59:50 PM |
40 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:59:50 PM |
13 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:59:50 PM |
35 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
2:59:50 PM |
2 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:00:07 PM |
36 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:00:07 PM |
60 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:00:07 PM |
28 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:00:08 PM |
8 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:00:08 PM |
2 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:00:08 PM |
15 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:01:08 PM |
25 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:01:08 PM |
58 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:01:08 PM |
2 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:01:08 PM |
8 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:01:08 PM |
21 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:01:08 PM |
18 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:01:08 PM |
20 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:01:08 PM |
36 |
1270.00 |
CEUX |
31
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:02:18 PM |
20 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:03:32 PM |
16 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:03:32 PM |
50 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:04:13 PM |
35 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:04:13 PM |
19 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:04:13 PM |
40 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:04:13 PM |
18 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:04:13 PM |
84 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:04:13 PM |
47 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:04:13 PM |
40 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:04:13 PM |
25 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:04:13 PM |
49 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:04:13 PM |
25 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:04:13 PM |
37 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:04:13 PM |
33 |
1268.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:04:13 PM |
59 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:04:13 PM |
23 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:04:13 PM |
89 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:04:15 PM |
12 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:04:37 PM |
34 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:04:47 PM |
5 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:05:19 PM |
23 |
1267.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:05:20 PM |
7 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:05:20 PM |
11 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:05:20 PM |
7 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:05:20 PM |
40 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:05:20 PM |
11 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:05:20 PM |
12 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:07:23 PM |
31 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:07:24 PM |
13 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:07:24 PM |
73 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:07:43 PM |
40 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:07:43 PM |
11 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:07:43 PM |
12 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:07:43 PM |
11 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:07:43 PM |
12 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:08:28 PM |
13 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:09:09 PM |
3 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:09:38 PM |
29 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:10:10 PM |
14 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:10 PM |
40 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:10 PM |
40 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:10 PM |
13 |
1270.00 |
XCSE |
32
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:10:11 PM |
11 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:11 PM |
12 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:11 PM |
10 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:11 PM |
10 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:24 PM |
11 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:24 PM |
10 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:24 PM |
13 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:24 PM |
11 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:24 PM |
40 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:24 PM |
10 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:24 PM |
13 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:31 PM |
12 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:31 PM |
40 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:31 PM |
84 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:10:38 PM |
36 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:10:53 PM |
27 |
1270.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:11:15 PM |
41 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:11:15 PM |
21 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:11:15 PM |
13 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:11:40 PM |
50 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:11:40 PM |
12 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:11:40 PM |
13 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:11:40 PM |
10 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:11:40 PM |
11 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:11:40 PM |
16 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:11:40 PM |
34 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:11:40 PM |
1 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:11:40 PM |
50 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:12:40 PM |
21 |
1270.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:12:40 PM |
36 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:12:45 PM |
33 |
1270.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:12:46 PM |
10 |
1270.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:14:31 PM |
72 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:14:31 PM |
2 |
1270.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:14:40 PM |
16 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:14:40 PM |
19 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:14:40 PM |
86 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:15:24 PM |
112 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:15:24 PM |
36 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:15:24 PM |
9 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:15:30 PM |
60 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:15:30 PM |
27 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:15:33 PM |
36 |
1270.00 |
AQEU |
33
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:15:59 PM |
85 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:19:19 PM |
40 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:19:27 PM |
28 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:19:28 PM |
1 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:20:01 PM |
42 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:20:17 PM |
45 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:20:49 PM |
32 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:20:49 PM |
49 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:20:49 PM |
21 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:20:49 PM |
32 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:20:49 PM |
71 |
1273.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:20:49 PM |
25 |
1273.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:20:49 PM |
84 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:20:49 PM |
36 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:20:49 PM |
30 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:20:53 PM |
32 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:20:53 PM |
22 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:20:53 PM |
40 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:20:53 PM |
44 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:20:53 PM |
36 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:22:14 PM |
10 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:14 PM |
40 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:14 PM |
13 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:14 PM |
35 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:14 PM |
14 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:15 PM |
12 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:15 PM |
13 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:15 PM |
40 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:15 PM |
12 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:15 PM |
11 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:15 PM |
12 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:15 PM |
35 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:15 PM |
2 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:16 PM |
11 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:16 PM |
40 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:18 PM |
40 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:18 PM |
12 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:18 PM |
12 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:18 PM |
71 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:22:18 PM |
13 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:22:18 PM |
5 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:22:18 PM |
11 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:22:22 PM |
12 |
1273.50 |
CEUX |
34
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:22:33 PM |
89 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:33 PM |
43 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:22:33 PM |
38 |
1273.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:22:33 PM |
76 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:22:33 PM |
6 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:22:33 PM |
3 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:22:33 PM |
10 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:22:45 PM |
1 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:22:46 PM |
1 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:22:50 PM |
5 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:23:23 PM |
10 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:23:23 PM |
13 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:23:23 PM |
11 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:23:24 PM |
10 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:23:43 PM |
78 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:23:43 PM |
8 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:23:43 PM |
50 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:23:43 PM |
22 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:23:43 PM |
8 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:23:43 PM |
4 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:23:56 PM |
30 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:23:56 PM |
11 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:23:56 PM |
9 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:23:56 PM |
47 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:23:57 PM |
43 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:23:57 PM |
12 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:24:07 PM |
34 |
1273.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:24:07 PM |
9 |
1273.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:24:07 PM |
36 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:24:07 PM |
6 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:25:29 PM |
75 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:25:29 PM |
10 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:25:31 PM |
17 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:25:31 PM |
10 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:25:31 PM |
11 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:25:31 PM |
16 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:25:31 PM |
10 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:26:09 PM |
10 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:26:09 PM |
8 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:26:33 PM |
1 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:26:33 PM |
83 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:27:19 PM |
6 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:27:19 PM |
61 |
1272.00 |
TQEX |
35
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:27:21 PM |
3 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:27:29 PM |
1 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:27:50 PM |
2 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:27:50 PM |
2 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:27:50 PM |
2 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:27:50 PM |
2 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:27:50 PM |
2 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:27:50 PM |
2 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:27:50 PM |
3 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:27:50 PM |
8 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:28:03 PM |
1 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:03 PM |
1 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:03 PM |
63 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:03 PM |
36 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:33 PM |
11 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:33 PM |
76 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:33 PM |
9 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:34 PM |
26 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:28:35 PM |
17 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:28:40 PM |
14 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:40 PM |
22 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:40 PM |
40 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:40 PM |
35 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:40 PM |
15 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:40 PM |
36 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:40 PM |
5 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:40 PM |
5 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:40 PM |
48 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
35 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
40 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
37 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
13 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
11 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
13 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
18 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
36 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
6 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
5 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
5 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
15 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
17 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
21 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
6 |
1272.00 |
CEUX |
36
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
6 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:41 PM |
6 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:28:42 PM |
6 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:29:02 PM |
41 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:29:02 PM |
12 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:29:10 PM |
7 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:29:10 PM |
48 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:29:10 PM |
10 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:29:10 PM |
13 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:29:10 PM |
10 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:29:11 PM |
12 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:29:11 PM |
13 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:29:11 PM |
13 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:29:15 PM |
6 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:29:15 PM |
63 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:29:15 PM |
19 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:00 PM |
35 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:00 PM |
12 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:00 PM |
40 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:00 PM |
36 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:01 PM |
4 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:01 PM |
7 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:01 PM |
2 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:01 PM |
12 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:01 PM |
36 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:01 PM |
1 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:01 PM |
49 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:10 PM |
86 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:10 PM |
22 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:10 PM |
3 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:10 PM |
5 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:10 PM |
15 |
1272.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:10 PM |
50 |
1272.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:10 PM |
2 |
1272.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:10 PM |
45 |
1272.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:30:22 PM |
5 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:22 PM |
6 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:22 PM |
5 |
1272.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
3 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
5 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
2 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
5 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
2 |
1271.00 |
TQEX |
37
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
5 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
2 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
3 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
1 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
1 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
2 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
10 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
3 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
2 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
4 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
4 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
4 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
3 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:23 PM |
4 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
8 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
7 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
3 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
7 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
13 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
12 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
22 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
8 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
12 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
11 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
12 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
1 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
21 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
64 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
3 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
21 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
3 |
1271.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
3 |
1271.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
20 |
1271.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
6 |
1271.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
24 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
20 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
33 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
6 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
6 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:26 PM |
42 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:28 PM |
13 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:29 PM |
10 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:29 PM |
13 |
1271.00 |
XCSE |
38
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:30:30 PM |
11 |
1271.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:36 PM |
7 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:36 PM |
7 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:36 PM |
4 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:36 PM |
3 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:36 PM |
2 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:36 PM |
2 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:36 PM |
2 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:36 PM |
2 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:36 PM |
2 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:36 PM |
2 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:36 PM |
12 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:36 PM |
12 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:36 PM |
6 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:36 PM |
2 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:38 PM |
3 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:38 PM |
3 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:38 PM |
2 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:38 PM |
3 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:39 PM |
86 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:39 PM |
26 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:30:41 PM |
40 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:30:41 PM |
5 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:41 PM |
2 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:41 PM |
3 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:41 PM |
2 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:41 PM |
10 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:41 PM |
2 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:30:41 PM |
5 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:30:41 PM |
4 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:30:41 PM |
3 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:30:41 PM |
1 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
88 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
22 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
19 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
40 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
11 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
2 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
9 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
9 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
88 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
32 |
1270.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
1 |
1269.50 |
TQEX |
39
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
34 |
1270.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
37 |
1269.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
2 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
4 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
21 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
5 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
71 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
11 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:31:16 PM |
83 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
18 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
13 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
12 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
3 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
7 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
8 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
10 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
10 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
75 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
19 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
6 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
4 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
2 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
2 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
2 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
6 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
4 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
20 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:31:24 PM |
7 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:31:38 PM |
9 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:38 PM |
4 |
1268.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:31:38 PM |
2 |
1268.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:31:38 PM |
5 |
1268.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:31:38 PM |
8 |
1268.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:31:38 PM |
4 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:31:38 PM |
35 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:31:38 PM |
17 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:31:49 PM |
85 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:31:49 PM |
82 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:17 PM |
55 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:21 PM |
86 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:21 PM |
12 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:21 PM |
9 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:21 PM |
25 |
1269.00 |
TQEX |
40
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:32:21 PM |
30 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
82 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
35 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
15 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
40 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
11 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
5 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
6 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
14 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
75 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
33 |
1268.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
25 |
1268.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
6 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
14 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
68 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
35 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:25 PM |
51 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:33 PM |
20 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:33 PM |
68 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:33 PM |
3 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:33 PM |
7 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:33 PM |
4 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:33 PM |
2 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:33 PM |
3 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:33 PM |
19 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:33 PM |
2 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:33 PM |
5 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:33 PM |
3 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:33 PM |
6 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:33 PM |
6 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:33 PM |
40 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:33 PM |
12 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:38 PM |
7 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:38 PM |
7 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:38 PM |
11 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:38 PM |
13 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:41 PM |
9 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:41 PM |
5 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:41 PM |
3 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:41 PM |
10 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:41 PM |
2 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:41 PM |
11 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:32:41 PM |
47 |
1265.50 |
XCSE |
41
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:32:41 PM |
6 |
1265.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:32:41 PM |
25 |
1265.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:32:41 PM |
3 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:41 PM |
5 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:41 PM |
12 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:41 PM |
15 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:41 PM |
15 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:32:49 PM |
64 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:33:02 PM |
25 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:33:11 PM |
79 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:33:11 PM |
9 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:33:11 PM |
6 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:33:11 PM |
4 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:33:39 PM |
2 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:33:55 PM |
83 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:33:55 PM |
112 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:33:55 PM |
50 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:33:55 PM |
21 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:33:55 PM |
40 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:33:55 PM |
1 |
1265.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:33:55 PM |
28 |
1265.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:33:55 PM |
4 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:33:55 PM |
8 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:33:55 PM |
7 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:33:55 PM |
5 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:33:55 PM |
1 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:33:55 PM |
10 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:33:55 PM |
30 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:33:55 PM |
48 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
2 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
2 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
5 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
79 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
11 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
5 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
3 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
2 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
5 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
2 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
13 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
40 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
23 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
8 |
1264.50 |
XCSE |
42
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
15 |
1264.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
3 |
1264.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
2 |
1264.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
4 |
1264.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
4 |
1264.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
3 |
1263.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
20 |
1263.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
5 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
8 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
12 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
28 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
15 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
10 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:06 PM |
4 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:12 PM |
30 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
23 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
31 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
5 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
83 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
25 |
1263.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
5 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
5 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
15 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
4 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
3 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
4 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
3 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
2 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
3 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
2 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
4 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:15 PM |
10 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:16 PM |
7 |
1263.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:34:16 PM |
15 |
1263.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:34:16 PM |
4 |
1263.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:34:17 PM |
85 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:17 PM |
10 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:17 PM |
10 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:17 PM |
10 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:17 PM |
10 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:17 PM |
13 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:17 PM |
25 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:18 PM |
4 |
1262.00 |
XCSE |
43
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:34:18 PM |
28 |
1262.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:34:18 PM |
3 |
1262.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:18 PM |
4 |
1262.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:18 PM |
2 |
1262.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:18 PM |
5 |
1262.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:18 PM |
25 |
1262.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:18 PM |
16 |
1262.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:34:19 PM |
35 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:02 PM |
4 |
1263.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:35:02 PM |
3 |
1263.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:35:02 PM |
2 |
1263.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:35:02 PM |
3 |
1263.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:35:02 PM |
9 |
1263.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:35:02 PM |
3 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:02 PM |
5 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:02 PM |
11 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:02 PM |
3 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:02 PM |
13 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:02 PM |
7 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:18 PM |
2 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:18 PM |
2 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:18 PM |
2 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:18 PM |
7 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:35:18 PM |
19 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:35:19 PM |
7 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:19 PM |
3 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:19 PM |
2 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:19 PM |
13 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:19 PM |
4 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:19 PM |
3 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:19 PM |
3 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:19 PM |
2 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:21 PM |
28 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:21 PM |
5 |
1265.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:35:21 PM |
5 |
1265.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:35:21 PM |
15 |
1265.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:35:21 PM |
3 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:21 PM |
22 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:21 PM |
52 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:25 PM |
59 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:25 PM |
15 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:25 PM |
7 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:25 PM |
5 |
1264.00 |
XCSE |
44
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:35:25 PM |
3 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:25 PM |
6 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:25 PM |
48 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:50 PM |
76 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:50 PM |
14 |
1262.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:35:50 PM |
2 |
1262.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:35:50 PM |
43 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:51 PM |
10 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:51 PM |
2 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:51 PM |
2 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:51 PM |
28 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:51 PM |
3 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:51 PM |
2 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:35:58 PM |
1 |
1262.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:35:58 PM |
1 |
1262.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:36:07 PM |
8 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:36:07 PM |
12 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:36:07 PM |
2 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:36:07 PM |
13 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:36:07 PM |
4 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:36:07 PM |
5 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:36:13 PM |
21 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:36:16 PM |
17 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:36:17 PM |
6 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:36:49 PM |
5 |
1264.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:36:50 PM |
11 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:36:50 PM |
12 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:36:50 PM |
13 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:36:50 PM |
13 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:36:50 PM |
27 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:36:50 PM |
25 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:36:50 PM |
10 |
1264.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:36:50 PM |
19 |
1264.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
40 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
18 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
25 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
3 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
22 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
4 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
1 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
3 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
2 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
3 |
1264.50 |
XCSE |
45
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
3 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
2 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
25 |
1265.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
17 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
2 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
14 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
4 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:37:04 PM |
2 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:37:05 PM |
6 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:37:06 PM |
71 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:37:06 PM |
40 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:37:06 PM |
3 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:37:06 PM |
3 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:37:06 PM |
18 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:37:40 PM |
5 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:37:40 PM |
5 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:37:40 PM |
5 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:37:40 PM |
5 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:37:43 PM |
2 |
1265.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:37:50 PM |
5 |
1265.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:38:02 PM |
84 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:38:02 PM |
5 |
1265.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:38:02 PM |
2 |
1265.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:38:02 PM |
13 |
1265.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:38:29 PM |
85 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:38:29 PM |
7 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:38:29 PM |
38 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:38:29 PM |
15 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:38:29 PM |
15 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:38:29 PM |
12 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:38:56 PM |
84 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:38:56 PM |
19 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:38:56 PM |
40 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:38:56 PM |
5 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:38:56 PM |
9 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:38:56 PM |
39 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:38:56 PM |
34 |
1265.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:38:56 PM |
4 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:38:56 PM |
15 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:38:56 PM |
5 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:38:56 PM |
20 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:39:39 PM |
32 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:39:41 PM |
35 |
1266.50 |
XCSE |
46
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:39:41 PM |
49 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:39:41 PM |
19 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:39:41 PM |
10 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:39:41 PM |
10 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:39:41 PM |
11 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:39:41 PM |
4 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:39:41 PM |
4 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:39:41 PM |
32 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:39:50 PM |
35 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:39:50 PM |
18 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:39:50 PM |
40 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:39:50 PM |
11 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:39:50 PM |
8 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:39:50 PM |
5 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:39:50 PM |
11 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:39:50 PM |
6 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:39:50 PM |
10 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:39:50 PM |
40 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:39:56 PM |
1 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:39:59 PM |
21 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:39:59 PM |
32 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:40:09 PM |
5 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:40:09 PM |
40 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:40:09 PM |
36 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:40:09 PM |
24 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:40:09 PM |
1 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:40:12 PM |
34 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:40:13 PM |
83 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:40:13 PM |
2 |
1265.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:40:13 PM |
32 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:40:13 PM |
5 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:40:14 PM |
14 |
1265.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:40:14 PM |
15 |
1265.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:40:14 PM |
10 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:40:14 PM |
11 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:40:14 PM |
2 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:40:14 PM |
3 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:40:14 PM |
9 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:40:14 PM |
15 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:40:14 PM |
33 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:40:32 PM |
84 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:40:32 PM |
1 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:40:59 PM |
4 |
1267.00 |
XCSE |
47
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:40:59 PM |
27 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:40:59 PM |
32 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:41:03 PM |
35 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:41:03 PM |
8 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:41:03 PM |
13 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:41:03 PM |
24 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:41:19 PM |
83 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:41:33 PM |
11 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:41:33 PM |
14 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:41:33 PM |
77 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:41:40 PM |
8 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:41:45 PM |
6 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:41:45 PM |
10 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:41:45 PM |
5 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:41:45 PM |
5 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
3 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
1 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
5 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
3 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
10 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
2 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
3 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
4 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
4 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
10 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
22 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
35 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
11 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
11 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
5 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
5 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
1 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
2 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
2 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
3 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
2 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
3 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
2 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
2 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
3 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
10 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
32 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
15 |
1266.50 |
CEUX |
48
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
40 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:06 PM |
2 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:07 PM |
63 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:11 PM |
11 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:18 PM |
87 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:18 PM |
11 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:18 PM |
61 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:18 PM |
1 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:37 PM |
84 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:42:37 PM |
5 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:42:37 PM |
2 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:42:37 PM |
3 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:42:37 PM |
2 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:42:37 PM |
8 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:42:37 PM |
4 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:42:37 PM |
27 |
1267.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:42:37 PM |
7 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:37 PM |
2 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:37 PM |
12 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:37 PM |
13 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:37 PM |
7 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:37 PM |
3 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:42:37 PM |
11 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:43:16 PM |
40 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:43:16 PM |
13 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:43:16 PM |
24 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:43:16 PM |
74 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:43:16 PM |
9 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:43:16 PM |
28 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:43:16 PM |
15 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:43:16 PM |
41 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:43:32 PM |
36 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:43:32 PM |
26 |
1267.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:43:40 PM |
47 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:43:40 PM |
12 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:43:40 PM |
23 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:43:40 PM |
11 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:43:40 PM |
2 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:43:50 PM |
55 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:43:50 PM |
30 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:43:50 PM |
15 |
1266.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:43:50 PM |
12 |
1266.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:43:50 PM |
4 |
1266.00 |
AQEU |
49
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:43:50 PM |
9 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:43:50 PM |
10 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:43:50 PM |
15 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:43:50 PM |
14 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:43:56 PM |
85 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:43:56 PM |
6 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:43:56 PM |
76 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:44:08 PM |
83 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:44:38 PM |
27 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:44:55 PM |
20 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:44:55 PM |
39 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:44:56 PM |
10 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:44:56 PM |
8 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:44:56 PM |
12 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:44:56 PM |
12 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:44:56 PM |
40 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:44:59 PM |
83 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:45:44 PM |
48 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:45:44 PM |
37 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:45:44 PM |
2 |
1267.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:45:44 PM |
25 |
1267.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:45:44 PM |
69 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:45:44 PM |
13 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:45:45 PM |
4 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:45:47 PM |
25 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:45:48 PM |
7 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:45:48 PM |
11 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:45:48 PM |
11 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:45:48 PM |
4 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:45:51 PM |
2 |
1266.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:45:51 PM |
23 |
1266.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:45:51 PM |
14 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:46:26 PM |
8 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:46:33 PM |
66 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:46:34 PM |
23 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:46:37 PM |
1 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:46:37 PM |
1 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:46:37 PM |
81 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:46:37 PM |
23 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:46:37 PM |
2 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:47:05 PM |
50 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:05 PM |
20 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:05 PM |
33 |
1266.00 |
AQEU |
50
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:47:05 PM |
36 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:47:05 PM |
82 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:47:21 PM |
35 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:21 PM |
21 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:21 PM |
40 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:21 PM |
13 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:21 PM |
3 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:21 PM |
49 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:21 PM |
3 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:21 PM |
40 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:21 PM |
11 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:21 PM |
9 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:22 PM |
23 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:22 PM |
13 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:22 PM |
12 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:22 PM |
12 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:22 PM |
40 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:23 PM |
87 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:47:23 PM |
25 |
1265.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:47:23 PM |
4 |
1264.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:47:23 PM |
4 |
1264.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:47:23 PM |
3 |
1264.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:47:23 PM |
2 |
1264.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:47:23 PM |
32 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:47:23 PM |
59 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:07 PM |
35 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:16 PM |
16 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:16 PM |
26 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:18 PM |
7 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:49 PM |
36 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:49 PM |
2 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:49 PM |
48 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
89 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
4 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
2 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
2 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
2 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
2 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
2 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
20 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
33 |
1267.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
32 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
2 |
1267.50 |
CEUX |
51
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
4 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
3 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
21 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
5 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
5 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
6 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
3 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
2 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
4 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
5 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
3 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
2 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:58 PM |
50 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:48:59 PM |
35 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:59 PM |
21 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:59 PM |
40 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:59 PM |
12 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:59 PM |
4 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:59 PM |
8 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:59 PM |
7 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:59 PM |
12 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:59 PM |
21 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:59 PM |
40 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:59 PM |
10 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:48:59 PM |
14 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:49:03 PM |
86 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:49:08 PM |
87 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:49:56 PM |
44 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:49:56 PM |
42 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:07 PM |
82 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:50:29 PM |
12 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:29 PM |
25 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:29 PM |
12 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:29 PM |
34 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:29 PM |
5 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:50:29 PM |
5 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:50:29 PM |
5 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:50:29 PM |
11 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:50:29 PM |
11 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:50:29 PM |
2 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:50:29 PM |
18 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:50:35 PM |
8 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:35 PM |
11 |
1269.00 |
XCSE |
52
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:50:35 PM |
1 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:50:36 PM |
7 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:36 PM |
3 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:43 PM |
20 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:43 PM |
40 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:43 PM |
10 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:43 PM |
12 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:43 PM |
10 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:43 PM |
84 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:50:44 PM |
40 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:44 PM |
15 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:44 PM |
25 |
1268.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:50:48 PM |
31 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:49 PM |
86 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:49 PM |
3 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:50:49 PM |
33 |
1268.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:51:07 PM |
67 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:51:28 PM |
20 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:51:28 PM |
11 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:51:28 PM |
4 |
1268.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:51:28 PM |
2 |
1268.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:51:28 PM |
4 |
1268.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:51:28 PM |
4 |
1268.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:51:28 PM |
37 |
1268.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:51:28 PM |
36 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:51:28 PM |
5 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:51:28 PM |
34 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:51:28 PM |
6 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:51:28 PM |
30 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:51:28 PM |
8 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:51:28 PM |
1 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:51:52 PM |
11 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:51:52 PM |
10 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:51:52 PM |
10 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:51:52 PM |
40 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:51:54 PM |
7 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:51:56 PM |
10 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:51:56 PM |
10 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:51:56 PM |
65 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:52:00 PM |
10 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:52:00 PM |
13 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:52:00 PM |
1 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:52:00 PM |
12 |
1267.50 |
XCSE |
53
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:52:00 PM |
40 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:52:00 PM |
35 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:52:00 PM |
1 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:52:00 PM |
87 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:52:00 PM |
1 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:52:17 PM |
5 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:52:17 PM |
5 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:52:17 PM |
25 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:52:17 PM |
2 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:52:17 PM |
8 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:52:39 PM |
84 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:52:40 PM |
3 |
1267.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:52:40 PM |
2 |
1267.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:52:40 PM |
7 |
1267.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:52:40 PM |
13 |
1267.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:52:40 PM |
4 |
1267.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:52:40 PM |
2 |
1267.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:52:40 PM |
86 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:52:43 PM |
85 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:52:43 PM |
6 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:52:43 PM |
10 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:52:43 PM |
5 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:52:43 PM |
4 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:52:43 PM |
2 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:52:43 PM |
20 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:52:43 PM |
10 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:53:13 PM |
32 |
1267.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:53:41 PM |
3 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:53:49 PM |
84 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:02 PM |
40 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:02 PM |
13 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:02 PM |
17 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:02 PM |
7 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:02 PM |
3 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:02 PM |
5 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:02 PM |
10 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:02 PM |
15 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:54:13 PM |
25 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:54:13 PM |
82 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:54:13 PM |
6 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:54:14 PM |
5 |
1268.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:54:14 PM |
22 |
1268.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:54:14 PM |
32 |
1268.50 |
CEUX |
54
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:54:20 PM |
49 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:20 PM |
63 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:21 PM |
23 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:21 PM |
20 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:22 PM |
10 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:22 PM |
5 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:22 PM |
40 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:22 PM |
11 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:22 PM |
10 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:36 PM |
7 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:36 PM |
2 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:36 PM |
3 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:36 PM |
4 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:36 PM |
4 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:36 PM |
60 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:36 PM |
4 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:54:38 PM |
4 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:54:38 PM |
8 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:54:38 PM |
21 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:54:38 PM |
7 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:54:38 PM |
5 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:54:40 PM |
44 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:58 PM |
53 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:58 PM |
36 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:54:58 PM |
8 |
1268.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:54:58 PM |
21 |
1268.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:55:00 PM |
1 |
1268.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:55:00 PM |
6 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:55:00 PM |
8 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:55:00 PM |
21 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:55:00 PM |
1 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:55:10 PM |
26 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:55:10 PM |
74 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:55:11 PM |
10 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:55:11 PM |
60 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:55:11 PM |
10 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:55:11 PM |
7 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:55:36 PM |
11 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:55:36 PM |
12 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:55:36 PM |
11 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:55:36 PM |
32 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:55:39 PM |
32 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:55:42 PM |
3 |
1267.50 |
AQEU |
55
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
7 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
1 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
20 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
53 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
7 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
40 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
13 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
35 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
12 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
12 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
17 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
13 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
25 |
1267.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
3 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
10 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
15 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
9 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:09 PM |
4 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:10 PM |
89 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:31 PM |
40 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:31 PM |
21 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:31 PM |
11 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:31 PM |
10 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:31 PM |
12 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:31 PM |
83 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:31 PM |
18 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:31 PM |
8 |
1267.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:56:31 PM |
20 |
1267.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:56:37 PM |
13 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:37 PM |
21 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:37 PM |
1 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:40 PM |
20 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:40 PM |
10 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:40 PM |
10 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:40 PM |
10 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:41 PM |
85 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:56:41 PM |
37 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:53 PM |
25 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:56:53 PM |
1 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:53 PM |
14 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:56:53 PM |
11 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:57:09 PM |
89 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:57:09 PM |
8 |
1266.00 |
AQEU |
56
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:57:09 PM |
5 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:57:09 PM |
12 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:57:09 PM |
14 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:57:09 PM |
39 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:57:09 PM |
3 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:57:27 PM |
16 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:57:27 PM |
20 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:57:27 PM |
10 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:57:27 PM |
28 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:57:50 PM |
2 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:57:50 PM |
6 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:57:50 PM |
25 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:57:50 PM |
2 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:58:03 PM |
4 |
1268.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:58:03 PM |
10 |
1268.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:58:11 PM |
45 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:58:11 PM |
34 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:58:44 PM |
27 |
1269.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:58:44 PM |
36 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:58:49 PM |
2 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:58:57 PM |
84 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:58:57 PM |
83 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:59:09 PM |
2 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:09 PM |
3 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:59:09 PM |
32 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:59:12 PM |
40 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:12 PM |
13 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:12 PM |
12 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:12 PM |
11 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:12 PM |
5 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:59:12 PM |
5 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:59:12 PM |
50 |
1268.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:59:13 PM |
10 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:13 PM |
40 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:13 PM |
10 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:13 PM |
12 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:13 PM |
40 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:13 PM |
13 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:13 PM |
13 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:13 PM |
29 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:20 PM |
12 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:20 PM |
11 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:20 PM |
40 |
1269.00 |
XCSE |
57
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
3:59:20 PM |
4 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:30 PM |
40 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:30 PM |
5 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:43 PM |
7 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:47 PM |
14 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:59:47 PM |
5 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:59:47 PM |
8 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
64 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
20 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
3 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
13 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
9 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
2 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
3 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
2 |
1269.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
9 |
1269.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
4 |
1269.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
4 |
1269.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
2 |
1269.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
4 |
1269.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
11 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
31 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
3:59:59 PM |
43 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:00:08 PM |
32 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:00:08 PM |
82 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:00:10 PM |
26 |
1270.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:00:22 PM |
66 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:00:23 PM |
82 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:23 PM |
9 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:00:23 PM |
10 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:00:23 PM |
9 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:00:28 PM |
31 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:28 PM |
50 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:28 PM |
2 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:28 PM |
2 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:28 PM |
2 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:43 PM |
89 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:00:46 PM |
36 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:46 PM |
45 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:59 PM |
4 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:59 PM |
40 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:59 PM |
3 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:59 PM |
13 |
1267.50 |
XCSE |
58
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:00:59 PM |
7 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:59 PM |
3 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:59 PM |
7 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:59 PM |
5 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:59 PM |
3 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:59 PM |
13 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:00:59 PM |
9 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:00:59 PM |
1 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:00:59 PM |
50 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:00:59 PM |
36 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:01:08 PM |
84 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:01:09 PM |
22 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:01:11 PM |
2 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:01:11 PM |
11 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:01:11 PM |
5 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:01:11 PM |
49 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:01:37 PM |
25 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:01:37 PM |
13 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:01:37 PM |
13 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:01:37 PM |
11 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:01:37 PM |
8 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:01:37 PM |
4 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:01:37 PM |
16 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:01:37 PM |
7 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:01:37 PM |
13 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:01:48 PM |
1 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:01:48 PM |
85 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:01:48 PM |
8 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:01:48 PM |
5 |
1267.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:01:48 PM |
15 |
1267.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:01:48 PM |
10 |
1267.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:01:48 PM |
4 |
1267.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:01:48 PM |
45 |
1268.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:01:48 PM |
33 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:01:58 PM |
13 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:01:58 PM |
52 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:01:59 PM |
11 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:01:59 PM |
3 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:02:31 PM |
80 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:02:32 PM |
8 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:02:49 PM |
4 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:02:51 PM |
35 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:02:51 PM |
83 |
1268.00 |
CEUX |
59
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:03:05 PM |
1 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:03:05 PM |
87 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:03:05 PM |
84 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:03:05 PM |
89 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:03:05 PM |
85 |
1263.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:03:05 PM |
82 |
1262.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:03:05 PM |
83 |
1261.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:03:05 PM |
16 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:03:05 PM |
88 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:03:05 PM |
84 |
1264.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:03:05 PM |
26 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:03:05 PM |
26 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:03:05 PM |
48 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:03:06 PM |
20 |
1264.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:03:06 PM |
10 |
1264.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:03:06 PM |
5 |
1264.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:03:09 PM |
46 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:03:20 PM |
4 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:03:20 PM |
4 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:03:20 PM |
18 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:03:29 PM |
2 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:03:29 PM |
2 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:03:49 PM |
26 |
1266.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:04:32 PM |
2 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:05:07 PM |
65 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:05:07 PM |
22 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:05:07 PM |
40 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:05:07 PM |
4 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:05:07 PM |
8 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:05:07 PM |
13 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:05:07 PM |
2 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:05:07 PM |
3 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:05:07 PM |
2 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:05:07 PM |
5 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:05:07 PM |
2 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:05:07 PM |
8 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:05:07 PM |
2 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:05:07 PM |
25 |
1265.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:05:07 PM |
37 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:05:09 PM |
22 |
1265.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:05:39 PM |
85 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:07:14 PM |
100 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:07:14 PM |
36 |
1268.50 |
CEUX |
60
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:07:15 PM |
67 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:07:33 PM |
17 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:07:33 PM |
10 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:07:33 PM |
27 |
1268.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:07:33 PM |
31 |
1268.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:07:33 PM |
54 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:07:33 PM |
35 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:07:33 PM |
20 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:07:59 PM |
82 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:03 PM |
40 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:03 PM |
13 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:03 PM |
11 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:03 PM |
12 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:03 PM |
12 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:03 PM |
12 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:03 PM |
40 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:08:03 PM |
3 |
1267.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:08:03 PM |
5 |
1267.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:08:03 PM |
84 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:08:04 PM |
11 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:04 PM |
11 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:04 PM |
11 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:04 PM |
11 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:04 PM |
21 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:04 PM |
12 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:04 PM |
12 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:04 PM |
12 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:04 PM |
17 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:04 PM |
59 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:04 PM |
112 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:18 PM |
36 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:18 PM |
88 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:18 PM |
1 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:08:18 PM |
20 |
1267.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:08:18 PM |
36 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:09:09 PM |
83 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:09:13 PM |
25 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:09:13 PM |
60 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:09:24 PM |
5 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:09:24 PM |
6 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:09:24 PM |
5 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:09:24 PM |
61 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:09:24 PM |
19 |
1267.00 |
CEUX |
61
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:09:26 PM |
40 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:09:26 PM |
13 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:09:26 PM |
11 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:09:26 PM |
12 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:10:19 PM |
23 |
1267.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:10:19 PM |
86 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:10:19 PM |
36 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:10:20 PM |
40 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:10:20 PM |
13 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:10:20 PM |
26 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:10:20 PM |
4 |
1267.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:10:21 PM |
49 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:10:23 PM |
100 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:10:33 PM |
86 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:10:33 PM |
5 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:10:33 PM |
28 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:10:33 PM |
28 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:10:38 PM |
88 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:11:19 PM |
36 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:11:19 PM |
36 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:11:19 PM |
79 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:11:19 PM |
9 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:11:48 PM |
100 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:11:48 PM |
6 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:11:49 PM |
100 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:11:56 PM |
78 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:12:16 PM |
31 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:12:16 PM |
23 |
1266.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:12:16 PM |
3 |
1266.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:12:16 PM |
20 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:12:22 PM |
51 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:12:23 PM |
6 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:12:23 PM |
6 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:12:23 PM |
6 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:12:47 PM |
89 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:12:47 PM |
35 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:12:47 PM |
40 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:12:47 PM |
25 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:12:47 PM |
11 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:12:47 PM |
1 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:12:47 PM |
12 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:12:47 PM |
11 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:12:47 PM |
40 |
1266.00 |
XCSE |
62
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:12:47 PM |
11 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:12:47 PM |
27 |
1266.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:12:47 PM |
22 |
1266.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:12:47 PM |
27 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:12:47 PM |
36 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:12:47 PM |
45 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:12:50 PM |
39 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:12:56 PM |
4 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:12:56 PM |
82 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:13:11 PM |
36 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:13:12 PM |
13 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:13:17 PM |
32 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:13:25 PM |
48 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:13:25 PM |
64 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:13:37 PM |
2 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:13:37 PM |
23 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:14:12 PM |
23 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:14:12 PM |
64 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:14:12 PM |
40 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:14:12 PM |
5 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:14:12 PM |
11 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:14:12 PM |
39 |
1267.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:14:12 PM |
88 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:14:14 PM |
68 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:14:29 PM |
82 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:14:29 PM |
24 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:14:29 PM |
8 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:14:29 PM |
25 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:14:29 PM |
32 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:14:54 PM |
56 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:14:56 PM |
4 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:14:56 PM |
23 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:14:56 PM |
10 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:14:56 PM |
70 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:14:56 PM |
5 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:15:04 PM |
65 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:15:04 PM |
23 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:15:17 PM |
30 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:15:18 PM |
58 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:15:18 PM |
62 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:15:32 PM |
31 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:15:32 PM |
57 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:15:32 PM |
29 |
1265.50 |
XCSE |
63
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:15:32 PM |
25 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:15:44 PM |
10 |
1265.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:15:44 PM |
89 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:15:49 PM |
58 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:15:51 PM |
6 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:16:03 PM |
31 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:16:03 PM |
51 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:16:03 PM |
43 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:16:12 PM |
4 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:16:22 PM |
21 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:16:22 PM |
6 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:16:23 PM |
30 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:16:29 PM |
40 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:16:29 PM |
12 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:16:29 PM |
10 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:16:29 PM |
20 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:16:29 PM |
11 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:16:29 PM |
28 |
1265.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:16:34 PM |
89 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:16:34 PM |
8 |
1264.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:16:34 PM |
25 |
1264.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:16:34 PM |
17 |
1264.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:16:34 PM |
88 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:16:51 PM |
84 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:17:14 PM |
29 |
1264.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:17:14 PM |
39 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:17:20 PM |
12 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:17:20 PM |
12 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:17:20 PM |
13 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:17:20 PM |
20 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:17:20 PM |
30 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:17:23 PM |
83 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:17:23 PM |
2 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:17:23 PM |
3 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:18:04 PM |
43 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:18:14 PM |
89 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:18:27 PM |
40 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:18:27 PM |
25 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:18:54 PM |
35 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:18:54 PM |
23 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:18:54 PM |
40 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:18:54 PM |
12 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:18:54 PM |
26 |
1264.00 |
TQEX |
64
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:18:54 PM |
20 |
1264.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:18:54 PM |
33 |
1264.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:18:59 PM |
20 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:18:59 PM |
5 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:18:59 PM |
9 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:18:59 PM |
3 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:18:59 PM |
24 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:19:00 PM |
41 |
1263.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:19:24 PM |
83 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:19:44 PM |
87 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:20:08 PM |
32 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:20:27 PM |
12 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:20:53 PM |
86 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:20:53 PM |
52 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:20:53 PM |
34 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:21:06 PM |
29 |
1264.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:21:10 PM |
7 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:21:10 PM |
33 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:21:10 PM |
11 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:21:10 PM |
13 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:21:10 PM |
10 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:21:10 PM |
13 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:21:10 PM |
32 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:21:14 PM |
35 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:21:14 PM |
28 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:21:14 PM |
40 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:21:14 PM |
9 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:21:14 PM |
39 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:21:14 PM |
50 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:21:14 PM |
34 |
1264.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:21:14 PM |
5 |
1264.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:21:14 PM |
87 |
1264.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:21:34 PM |
63 |
1264.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:21:42 PM |
85 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:21:47 PM |
83 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:21:54 PM |
86 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:22:04 PM |
55 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:22:35 PM |
25 |
1264.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:22:43 PM |
31 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:22:43 PM |
32 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:22:50 PM |
14 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:22:50 PM |
12 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:22:50 PM |
10 |
1264.50 |
XCSE |
65
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:22:50 PM |
40 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:22:50 PM |
25 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:22:50 PM |
25 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:22:50 PM |
43 |
1264.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:22:51 PM |
37 |
1263.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:23:24 PM |
48 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:23:24 PM |
40 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:23:24 PM |
18 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:23:24 PM |
1 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:23:24 PM |
27 |
1264.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:23:34 PM |
64 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:23:34 PM |
66 |
1264.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:23:34 PM |
21 |
1264.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:23:44 PM |
22 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:23:59 PM |
59 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:24:02 PM |
2 |
1263.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:24:03 PM |
2 |
1263.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:24:03 PM |
2 |
1263.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:24:04 PM |
26 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:24:04 PM |
19 |
1263.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:24:04 PM |
30 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:24:04 PM |
54 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:24:34 PM |
89 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:24:34 PM |
39 |
1264.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:24:34 PM |
45 |
1264.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:25:04 PM |
72 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:25:04 PM |
38 |
1263.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:25:24 PM |
89 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:25:27 PM |
15 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:25:39 PM |
17 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:25:54 PM |
71 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:26:31 PM |
60 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:26:31 PM |
27 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:26:38 PM |
86 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:26:38 PM |
2 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:26:54 PM |
86 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:26:54 PM |
25 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:26:56 PM |
1 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:27:08 PM |
13 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:27:08 PM |
40 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:27:08 PM |
12 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:27:08 PM |
13 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:27:08 PM |
13 |
1267.00 |
XCSE |
66
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:27:08 PM |
85 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:27:08 PM |
36 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:27:08 PM |
5 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:27:08 PM |
5 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:27:08 PM |
6 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:27:08 PM |
3 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:27:08 PM |
20 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:27:09 PM |
49 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:27:19 PM |
32 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:27:24 PM |
82 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:27:25 PM |
38 |
1267.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:27:25 PM |
32 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:27:37 PM |
90 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:27:39 PM |
30 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:27:39 PM |
25 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:27:54 PM |
11 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:27:54 PM |
12 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:27:54 PM |
2 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:28:24 PM |
25 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:28:27 PM |
49 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:28:27 PM |
14 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:28:34 PM |
12 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:28:48 PM |
82 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:28:49 PM |
36 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:28:53 PM |
100 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:28:53 PM |
12 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:28:53 PM |
32 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:29:07 PM |
35 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:29:07 PM |
39 |
1267.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:29:07 PM |
25 |
1267.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:29:09 PM |
35 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:29:09 PM |
11 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:29:09 PM |
40 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:29:09 PM |
85 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:29:09 PM |
32 |
1267.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:29:09 PM |
48 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:29:09 PM |
37 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:29:34 PM |
85 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:29:54 PM |
74 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:30:05 PM |
36 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:30:24 PM |
85 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:30:27 PM |
19 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:30:28 PM |
12 |
1266.50 |
CEUX |
67
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:30:30 PM |
3 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:30:35 PM |
70 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:30:42 PM |
61 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:30:43 PM |
16 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:30:43 PM |
86 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:30:43 PM |
9 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:30:43 PM |
23 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:30:43 PM |
27 |
1266.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:30:43 PM |
87 |
1266.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:30:43 PM |
84 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:30:50 PM |
34 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:30:50 PM |
23 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:30:50 PM |
11 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:31:04 PM |
18 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:31:04 PM |
31 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:31:04 PM |
9 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:31:14 PM |
13 |
1264.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:31:47 PM |
63 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:32:13 PM |
35 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:32:13 PM |
13 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:32:13 PM |
30 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:32:13 PM |
81 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:32:21 PM |
47 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:32:21 PM |
2 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:32:21 PM |
6 |
1265.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:32:27 PM |
36 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:32:27 PM |
5 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:32:27 PM |
5 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:32:27 PM |
5 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:32:34 PM |
25 |
1264.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:32:34 PM |
63 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:32:35 PM |
3 |
1264.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:32:46 PM |
71 |
1263.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:32:51 PM |
3 |
1264.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:33:04 PM |
20 |
1264.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:33:05 PM |
13 |
1264.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:33:08 PM |
15 |
1264.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:33:12 PM |
50 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:33:41 PM |
10 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:33:41 PM |
25 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:33:41 PM |
51 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:33:41 PM |
10 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:33:41 PM |
6 |
1264.50 |
XCSE |
68
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:33:41 PM |
10 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:33:41 PM |
36 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:33:41 PM |
5 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:33:41 PM |
5 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:33:41 PM |
6 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:33:41 PM |
3 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:33:41 PM |
20 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:33:41 PM |
5 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:33:41 PM |
18 |
1264.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:33:50 PM |
69 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:33:50 PM |
8 |
1264.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:33:50 PM |
81 |
1263.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:33:53 PM |
9 |
1264.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:33:53 PM |
33 |
1264.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:33:58 PM |
32 |
1264.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:34:02 PM |
1 |
1263.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:34:02 PM |
34 |
1263.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:34:02 PM |
39 |
1263.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:34:26 PM |
27 |
1262.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:34:26 PM |
5 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:34:26 PM |
6 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:34:26 PM |
6 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:34:26 PM |
8 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:34:30 PM |
35 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:34:30 PM |
10 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:34:30 PM |
36 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:34:40 PM |
32 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:34:40 PM |
28 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:34:40 PM |
8 |
1262.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:34:52 PM |
66 |
1262.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:35:05 PM |
31 |
1263.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:35:07 PM |
14 |
1263.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:35:52 PM |
11 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:35:52 PM |
51 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:35:52 PM |
13 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:35:52 PM |
12 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:35:52 PM |
25 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:35:54 PM |
18 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:35:59 PM |
36 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:36:00 PM |
36 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:36:01 PM |
35 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:36:01 PM |
29 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:36:01 PM |
35 |
1265.50 |
XCSE |
69
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:36:01 PM |
12 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:36:01 PM |
13 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:36:24 PM |
88 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:36:24 PM |
87 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:36:40 PM |
28 |
1265.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:36:44 PM |
5 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:36:44 PM |
36 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:36:44 PM |
21 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:36:50 PM |
10 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:36:50 PM |
11 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:36:50 PM |
51 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:36:50 PM |
13 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:36:50 PM |
12 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:36:50 PM |
10 |
1265.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:36:50 PM |
20 |
1265.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:37:04 PM |
13 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:37:04 PM |
51 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:37:04 PM |
13 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:37:04 PM |
15 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:37:04 PM |
32 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:37:05 PM |
35 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:37:05 PM |
31 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:37:05 PM |
31 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:37:34 PM |
82 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:37:35 PM |
13 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:37:35 PM |
13 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:37:35 PM |
11 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:37:35 PM |
15 |
1265.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:37:35 PM |
40 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:37:37 PM |
42 |
1265.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:38:03 PM |
4 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:38:04 PM |
28 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:38:04 PM |
82 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:38:28 PM |
30 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:38:40 PM |
83 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:38:40 PM |
4 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:38:40 PM |
2 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:38:40 PM |
2 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:38:40 PM |
2 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:38:40 PM |
3 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:38:40 PM |
3 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:38:40 PM |
5 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:38:40 PM |
5 |
1266.50 |
TQEX |
70
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:38:40 PM |
5 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:38:40 PM |
5 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:38:40 PM |
36 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:38:40 PM |
3 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:38:40 PM |
4 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:38:40 PM |
37 |
1267.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:38:41 PM |
47 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:38:46 PM |
33 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:38:46 PM |
51 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:38:47 PM |
47 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:38:47 PM |
36 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:38:47 PM |
6 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:38:52 PM |
11 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:38:52 PM |
32 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:38:52 PM |
12 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:38:52 PM |
12 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:38:52 PM |
11 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:38:52 PM |
14 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:39:00 PM |
18 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:39:00 PM |
12 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:39:00 PM |
11 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:39:00 PM |
12 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:39:00 PM |
35 |
1267.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:39:00 PM |
55 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:39:08 PM |
37 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:39:08 PM |
55 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:39:14 PM |
88 |
1266.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:39:31 PM |
25 |
1267.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:39:40 PM |
49 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:39:40 PM |
35 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:39:40 PM |
5 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:39:40 PM |
61 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:39:40 PM |
25 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:39:47 PM |
13 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:40:05 PM |
37 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:40:13 PM |
82 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:40:15 PM |
4 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:40:15 PM |
38 |
1266.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:40:15 PM |
48 |
1266.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:40:30 PM |
32 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:40:30 PM |
10 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:40:30 PM |
11 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:40:30 PM |
12 |
1266.50 |
XCSE |
71
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:40:30 PM |
47 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:40:31 PM |
6 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:40:31 PM |
5 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:40:31 PM |
6 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:40:31 PM |
11 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:40:41 PM |
36 |
1266.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:40:54 PM |
78 |
1266.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:40:54 PM |
32 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:40:54 PM |
33 |
1267.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:41:31 PM |
70 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:41:31 PM |
13 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:41:31 PM |
86 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:41:31 PM |
85 |
1267.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:41:31 PM |
86 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:41:38 PM |
5 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:41:56 PM |
11 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:41:56 PM |
13 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:41:56 PM |
51 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:41:58 PM |
13 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:14 PM |
11 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:42:14 PM |
12 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:42:15 PM |
26 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:42:15 PM |
36 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:42:15 PM |
5 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:42:15 PM |
5 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:42:15 PM |
6 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:42:15 PM |
5 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:42:15 PM |
14 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:42:16 PM |
6 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:42:16 PM |
5 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:42:17 PM |
4 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:42:17 PM |
6 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:42:19 PM |
39 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:42:20 PM |
48 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:25 PM |
11 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:25 PM |
13 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:25 PM |
51 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:25 PM |
11 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:29 PM |
31 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:29 PM |
39 |
1268.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:42:40 PM |
37 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:45 PM |
13 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:45 PM |
12 |
1269.00 |
XCSE |
72
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:42:45 PM |
11 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:45 PM |
13 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:45 PM |
2 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:45 PM |
29 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:45 PM |
4 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:42:45 PM |
9 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:42:45 PM |
4 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:42:45 PM |
7 |
1268.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:42:54 PM |
17 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:57 PM |
13 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:57 PM |
11 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:57 PM |
13 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:42:57 PM |
26 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:43:00 PM |
25 |
1269.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:43:00 PM |
8 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:43:02 PM |
31 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:43:14 PM |
63 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:43:14 PM |
75 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:43:14 PM |
3 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:43:14 PM |
36 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:43:14 PM |
11 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:43:14 PM |
36 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:43:16 PM |
42 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:43:18 PM |
14 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:43:48 PM |
69 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:44:04 PM |
15 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:44:21 PM |
89 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:44:21 PM |
32 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:44:22 PM |
17 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:44:22 PM |
26 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:44:26 PM |
7 |
1269.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:44:26 PM |
65 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:44:27 PM |
14 |
1269.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:44:42 PM |
2 |
1269.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:44:44 PM |
3 |
1269.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:45:03 PM |
29 |
1268.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:45:03 PM |
15 |
1268.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:45:11 PM |
51 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:11 PM |
13 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:11 PM |
21 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:11 PM |
12 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:11 PM |
10 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:11 PM |
5 |
1269.00 |
XCSE |
73
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:45:11 PM |
10 |
1268.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:45:12 PM |
49 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:12 PM |
30 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:12 PM |
33 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:12 PM |
18 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:12 PM |
12 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:12 PM |
13 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:12 PM |
10 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:12 PM |
30 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:12 PM |
10 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:12 PM |
51 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:12 PM |
12 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:12 PM |
12 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:12 PM |
12 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:12 PM |
10 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:12 PM |
5 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:28 PM |
66 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:43 PM |
10 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:45:43 PM |
33 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:45:54 PM |
73 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:46:03 PM |
31 |
1270.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:46:03 PM |
3 |
1270.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:46:14 PM |
16 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:46:23 PM |
89 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:46:23 PM |
21 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:46:34 PM |
85 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:46:35 PM |
7 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:46:42 PM |
27 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:46:51 PM |
35 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:46:54 PM |
61 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:46:54 PM |
50 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:46:54 PM |
21 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:46:57 PM |
22 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:46:58 PM |
59 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:01 PM |
6 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:14 PM |
86 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:19 PM |
12 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:19 PM |
10 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:19 PM |
10 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:19 PM |
21 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:19 PM |
35 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:19 PM |
24 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:19 PM |
19 |
1270.00 |
TQEX |
74
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:47:19 PM |
19 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:19 PM |
1 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:20 PM |
35 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:20 PM |
31 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:20 PM |
11 |
1270.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:20 PM |
35 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:20 PM |
36 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:20 PM |
1 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:20 PM |
26 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:20 PM |
36 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:21 PM |
36 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:21 PM |
5 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:21 PM |
5 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:22 PM |
6 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:22 PM |
5 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:22 PM |
5 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:22 PM |
9 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:22 PM |
32 |
1270.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:24 PM |
5 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:24 PM |
46 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:24 PM |
12 |
1270.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:47:24 PM |
14 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:24 PM |
34 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:25 PM |
15 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:25 PM |
1 |
1270.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:47:27 PM |
53 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:54 PM |
72 |
1269.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:54 PM |
10 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:54 PM |
13 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:54 PM |
64 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:54 PM |
23 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:47:54 PM |
6 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:47:55 PM |
2 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:47:59 PM |
4 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:48:04 PM |
3 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:48:09 PM |
3 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:48:14 PM |
3 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:48:17 PM |
5 |
1269.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:48:18 PM |
82 |
1268.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:48:18 PM |
2 |
1269.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:48:18 PM |
3 |
1269.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:48:18 PM |
1 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:48:19 PM |
20 |
1269.00 |
TQEX |
75
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:48:19 PM |
2 |
1269.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:48:24 PM |
1 |
1269.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:48:29 PM |
10 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:48:34 PM |
79 |
1269.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:48:41 PM |
2 |
1269.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:49:00 PM |
88 |
1270.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:49:06 PM |
64 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:49:06 PM |
13 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:49:06 PM |
36 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:49:06 PM |
2 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:49:06 PM |
29 |
1271.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:49:07 PM |
100 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:49:14 PM |
25 |
1271.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:49:14 PM |
43 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:49:14 PM |
1 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:49:14 PM |
40 |
1271.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:49:38 PM |
53 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:49:48 PM |
34 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:49:48 PM |
6 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:49:49 PM |
66 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:49:49 PM |
15 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:49:49 PM |
2 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:49:49 PM |
13 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:49:49 PM |
11 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:49:49 PM |
64 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:49:49 PM |
7 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:49:49 PM |
48 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:49:49 PM |
25 |
1273.00 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:49:49 PM |
44 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:49:49 PM |
36 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:49:49 PM |
26 |
1273.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:50:00 PM |
13 |
1273.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:50:04 PM |
16 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:04 PM |
14 |
1273.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
35 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
33 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
44 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
47 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
4 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
2 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
4 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
2 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
4 |
1272.50 |
TQEX |
76
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
10 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
7 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
36 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
8 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
4 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
15 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
40 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
2 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
13 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
7 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
9 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:12 PM |
35 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:50:31 PM |
51 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:31 PM |
10 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:31 PM |
13 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:31 PM |
11 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:31 PM |
32 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:31 PM |
6 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:31 PM |
6 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:31 PM |
5 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:34 PM |
6 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:34 PM |
6 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:34 PM |
5 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:48 PM |
3 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:48 PM |
64 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:48 PM |
13 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:48 PM |
8 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:48 PM |
47 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:48 PM |
5 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:48 PM |
20 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:50 PM |
9 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:50:53 PM |
5 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:53 PM |
6 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:50:53 PM |
5 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:14 PM |
61 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:51:33 PM |
55 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:39 PM |
42 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:51:39 PM |
40 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:51:39 PM |
36 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:39 PM |
5 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:39 PM |
6 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:39 PM |
6 |
1274.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:40 PM |
20 |
1273.50 |
CEUX |
77
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:51:46 PM |
36 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:46 PM |
36 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:46 PM |
5 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:46 PM |
6 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:46 PM |
5 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:46 PM |
36 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:46 PM |
6 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:46 PM |
5 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:46 PM |
6 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:47 PM |
32 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:51:47 PM |
6 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:47 PM |
5 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:47 PM |
5 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:47 PM |
36 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:47 PM |
5 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:47 PM |
5 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:47 PM |
5 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:51:52 PM |
57 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:51:52 PM |
57 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:52:00 PM |
25 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:52:00 PM |
13 |
1273.00 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:52:10 PM |
85 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:52:11 PM |
12 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:52:11 PM |
10 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:52:11 PM |
13 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:52:11 PM |
64 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:52:11 PM |
11 |
1273.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:52:12 PM |
41 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:52:13 PM |
5 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:52:13 PM |
6 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:52:13 PM |
5 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:52:13 PM |
20 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:52:24 PM |
27 |
1271.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:52:24 PM |
39 |
1272.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:52:24 PM |
10 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:52:24 PM |
30 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:52:24 PM |
2 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:52:24 PM |
2 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:52:24 PM |
2 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:52:25 PM |
15 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:52:25 PM |
2 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:52:25 PM |
3 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:52:25 PM |
2 |
1272.50 |
AQEU |
78
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:52:25 PM |
7 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:52:27 PM |
13 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:52:31 PM |
15 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:52:34 PM |
9 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:52:34 PM |
6 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:52:34 PM |
6 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:52:34 PM |
23 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:52:34 PM |
8 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:52:35 PM |
14 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:53:02 PM |
64 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:53:02 PM |
11 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:53:02 PM |
11 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:53:02 PM |
11 |
1272.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:53:02 PM |
36 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:53:02 PM |
6 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:53:02 PM |
6 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:53:02 PM |
6 |
1272.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:53:02 PM |
1 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:53:02 PM |
20 |
1272.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:53:04 PM |
20 |
1273.00 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:53:14 PM |
82 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:53:30 PM |
22 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:54:04 PM |
83 |
1274.50 |
TQEX |
GENMAB A/S |
14-Apr-2025 |
4:54:04 PM |
29 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:54:07 PM |
69 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:07 PM |
15 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:07 PM |
36 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:54:07 PM |
56 |
1274.50 |
AQEU |
GENMAB A/S |
14-Apr-2025 |
4:54:08 PM |
64 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:08 PM |
11 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:08 PM |
13 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:08 PM |
64 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:08 PM |
13 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:08 PM |
11 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:08 PM |
36 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:54:08 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:54:08 PM |
5 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:54:08 PM |
6 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:54:08 PM |
20 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:54:09 PM |
1 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:09 PM |
11 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:09 PM |
31 |
1274.50 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:09 PM |
64 |
1274.50 |
XCSE |
79
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
14-Apr-2025 |
4:54:18 PM |
49 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:18 PM |
40 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:18 PM |
36 |
1274.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:54:30 PM |
80 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:30 PM |
9 |
1274.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:32 PM |
30 |
1273.50 |
CEUX |
GENMAB A/S |
14-Apr-2025 |
4:54:42 PM |
88 |
1273.00 |
XCSE |
GENMAB A/S |
14-Apr-2025 |
4:54:48 PM |
1 |
1274.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:41:56 AM |
89 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:42:03 AM |
80 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:42:03 AM |
72 |
1291.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
9:42:29 AM |
60 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:42:29 AM |
53 |
1291.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
9:42:29 AM |
78 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:42:29 AM |
83 |
1291.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
9:42:30 AM |
77 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:45:16 AM |
5 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:45:16 AM |
27 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:45:30 AM |
27 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:46:20 AM |
25 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:46:20 AM |
10 |
1292.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
9:46:30 AM |
16 |
1292.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
9:47:20 AM |
21 |
1293.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
9:47:30 AM |
43 |
1294.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
9:47:48 AM |
62 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:50:14 AM |
62 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:50:14 AM |
40 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:50:14 AM |
43 |
1293.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
9:50:14 AM |
34 |
1292.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
9:50:14 AM |
84 |
1294.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:50:14 AM |
85 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:50:14 AM |
8 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:50:14 AM |
66 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:50:14 AM |
23 |
1293.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
9:50:14 AM |
44 |
1292.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
9:50:20 AM |
6 |
1292.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
9:50:20 AM |
19 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:50:21 AM |
22 |
1292.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
9:50:22 AM |
38 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:51:08 AM |
28 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:53:07 AM |
30 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:53:07 AM |
4 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:53:39 AM |
22 |
1290.50 |
CEUX |
80
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
9:54:11 AM |
22 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:55:10 AM |
22 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:56:53 AM |
24 |
1291.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
9:56:53 AM |
3 |
1291.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
9:57:09 AM |
39 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:57:09 AM |
36 |
1291.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
9:57:09 AM |
24 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:57:09 AM |
30 |
1291.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
9:57:26 AM |
87 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:59:40 AM |
25 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:59:51 AM |
89 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:59:51 AM |
29 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:59:51 AM |
13 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:59:51 AM |
16 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
9:59:51 AM |
30 |
1292.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
9:59:51 AM |
13 |
1292.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
9:59:51 AM |
7 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:59:51 AM |
8 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:59:51 AM |
1 |
1292.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
9:59:51 AM |
1 |
1292.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
9:59:52 AM |
7 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
9:59:57 AM |
15 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:00 AM |
15 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:00:00 AM |
8 |
1292.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:00:09 AM |
45 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:09 AM |
40 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:09 AM |
47 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:09 AM |
25 |
1293.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:00:09 AM |
89 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:00:13 AM |
24 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:13 AM |
15 |
1292.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:00:15 AM |
66 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:00:16 AM |
90 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:16 AM |
35 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:16 AM |
38 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:16 AM |
19 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:16 AM |
22 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:16 AM |
33 |
1291.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:00:17 AM |
84 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:18 AM |
15 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:18 AM |
57 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:18 AM |
47 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:26 AM |
38 |
1291.00 |
XCSE |
81
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
10:00:26 AM |
35 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:26 AM |
16 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:26 AM |
16 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:26 AM |
57 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:26 AM |
34 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:00:26 AM |
68 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:00:26 AM |
23 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:00:26 AM |
27 |
1291.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:01:21 AM |
84 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:01:28 AM |
24 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:02:45 AM |
25 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:02:52 AM |
51 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:03:09 AM |
26 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:03:09 AM |
38 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:03:09 AM |
13 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:03:09 AM |
15 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:03:09 AM |
22 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:03:09 AM |
16 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:03:09 AM |
17 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:03:09 AM |
26 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:03:09 AM |
14 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:03:59 AM |
91 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:03:59 AM |
32 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:03:59 AM |
13 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:03:59 AM |
39 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:03:59 AM |
30 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:03:59 AM |
88 |
1294.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:03:59 AM |
35 |
1294.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:04:12 AM |
86 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:04:12 AM |
26 |
1293.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:04:36 AM |
90 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:04:36 AM |
89 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:04:36 AM |
15 |
1292.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:04:36 AM |
10 |
1292.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:04:45 AM |
25 |
1292.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:04:45 AM |
89 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:04:47 AM |
86 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:05:22 AM |
15 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:06:03 AM |
3 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:06:41 AM |
50 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:06:41 AM |
31 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:06:41 AM |
78 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:07:21 AM |
37 |
1290.00 |
XCSE |
82
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
10:07:21 AM |
61 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:07:21 AM |
13 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:07:40 AM |
37 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:07:40 AM |
9 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:09:21 AM |
87 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:10:05 AM |
39 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:10:05 AM |
27 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:10:05 AM |
20 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:10:05 AM |
28 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:10:05 AM |
25 |
1291.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:10:07 AM |
52 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:10:07 AM |
25 |
1291.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:11:07 AM |
22 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:11:21 AM |
90 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:11:21 AM |
63 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:11:26 AM |
58 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:11:28 AM |
44 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:11:46 AM |
48 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:11:46 AM |
25 |
1290.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:11:46 AM |
37 |
1290.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:11:47 AM |
80 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:12:03 AM |
16 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:12:03 AM |
19 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:12:03 AM |
30 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:12:12 AM |
16 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:12:12 AM |
15 |
1290.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:13:20 AM |
13 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:13:20 AM |
24 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:13:20 AM |
15 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:13:50 AM |
31 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:14:11 AM |
25 |
1292.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:14:50 AM |
67 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:14:50 AM |
24 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:15:10 AM |
84 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:15:10 AM |
26 |
1293.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:15:10 AM |
23 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:15:10 AM |
61 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:15:10 AM |
28 |
1292.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:15:31 AM |
58 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:15:31 AM |
25 |
1292.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:15:31 AM |
85 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:15:32 AM |
91 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:15:32 AM |
89 |
1291.00 |
XCSE |
83
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
10:15:32 AM |
79 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:15:46 AM |
89 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:17:51 AM |
21 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:18:31 AM |
82 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:18:31 AM |
3 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:18:31 AM |
15 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:18:31 AM |
28 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:18:50 AM |
11 |
1292.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:18:50 AM |
20 |
1292.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:18:50 AM |
89 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:18:50 AM |
28 |
1292.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:19:00 AM |
90 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:20:43 AM |
16 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:20:43 AM |
57 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:21:11 AM |
84 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:21:11 AM |
29 |
1291.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:21:11 AM |
7 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:21:11 AM |
6 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:21:11 AM |
18 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:21:11 AM |
8 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:21:11 AM |
28 |
1291.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:22:25 AM |
89 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:24:12 AM |
15 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:24:12 AM |
15 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:24:12 AM |
34 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:24:12 AM |
50 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:24:17 AM |
13 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:24:17 AM |
39 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:24:17 AM |
31 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:25:01 AM |
57 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:25:01 AM |
20 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:25:01 AM |
86 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:25:01 AM |
87 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:25:01 AM |
26 |
1292.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:27:31 AM |
54 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:27:31 AM |
89 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:27:31 AM |
25 |
1291.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:28:21 AM |
31 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:29:20 AM |
59 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:29:20 AM |
14 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:29:20 AM |
15 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:30:01 AM |
32 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:30:01 AM |
89 |
1290.00 |
CEUX |
84
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
10:30:01 AM |
32 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:30:06 AM |
2 |
1291.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:30:06 AM |
6 |
1291.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:30:06 AM |
2 |
1291.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:30:06 AM |
10 |
1291.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:30:06 AM |
88 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:30:07 AM |
49 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:30:07 AM |
16 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:30:07 AM |
46 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:30:45 AM |
50 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:30:45 AM |
5 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:30:45 AM |
23 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:30:45 AM |
15 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:30:45 AM |
21 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:30:45 AM |
10 |
1291.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:30:45 AM |
25 |
1291.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:31:03 AM |
49 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:31:03 AM |
11 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:31:53 AM |
16 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:32:45 AM |
31 |
1291.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:32:45 AM |
8 |
1291.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:32:49 AM |
90 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:32:49 AM |
13 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:32:49 AM |
13 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:32:49 AM |
39 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:32:49 AM |
34 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:32:49 AM |
15 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:32:49 AM |
85 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:33:29 AM |
6 |
1290.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:33:29 AM |
19 |
1290.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:34:24 AM |
88 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:34:51 AM |
55 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:36:29 AM |
32 |
1290.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:36:30 AM |
45 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:36:30 AM |
8 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:36:30 AM |
32 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:37:05 AM |
42 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:37:05 AM |
8 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:39:00 AM |
28 |
1291.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:39:52 AM |
13 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:39:52 AM |
9 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:39:52 AM |
15 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:39:52 AM |
15 |
1291.50 |
XCSE |
85
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
10:39:52 AM |
65 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:39:52 AM |
36 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:39:52 AM |
1 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:39:52 AM |
25 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:41:31 AM |
22 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:41:32 AM |
28 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:41:32 AM |
40 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:41:46 AM |
28 |
1295.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:42:04 AM |
12 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:42:06 AM |
79 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:42:06 AM |
39 |
1295.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:42:12 AM |
30 |
1294.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:42:12 AM |
22 |
1294.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:42:12 AM |
66 |
1294.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:42:12 AM |
20 |
1294.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:42:13 AM |
35 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:42:13 AM |
16 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:43:49 AM |
21 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:43:55 AM |
16 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:45:05 AM |
45 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:45:05 AM |
25 |
1297.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:45:05 AM |
90 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:45:05 AM |
9 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:45:05 AM |
24 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:45:07 AM |
4 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:45:08 AM |
86 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:45:08 AM |
56 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:45:08 AM |
39 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:45:08 AM |
14 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:45:08 AM |
5 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:45:08 AM |
8 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:45:08 AM |
13 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:45:08 AM |
44 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:45:08 AM |
32 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:45:08 AM |
22 |
1296.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:45:08 AM |
13 |
1296.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:45:43 AM |
18 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:46:43 AM |
24 |
1296.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:47:31 AM |
88 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:48:14 AM |
50 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:48:14 AM |
36 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:48:18 AM |
36 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:48:23 AM |
54 |
1296.00 |
XCSE |
86
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
10:48:23 AM |
35 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:48:23 AM |
15 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:48:23 AM |
10 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:48:23 AM |
10 |
1295.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:48:23 AM |
36 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:48:23 AM |
68 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:48:23 AM |
1 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:48:23 AM |
23 |
1295.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:48:29 AM |
88 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:48:48 AM |
87 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:48:48 AM |
85 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:48:48 AM |
90 |
1294.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:48:48 AM |
15 |
1294.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:48:48 AM |
76 |
1294.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:48:48 AM |
85 |
1293.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:49:28 AM |
89 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:49:28 AM |
87 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:51:03 AM |
86 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:51:03 AM |
35 |
1293.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:51:03 AM |
79 |
1293.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:51:03 AM |
35 |
1294.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
10:53:27 AM |
72 |
1294.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
10:54:33 AM |
43 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:57:19 AM |
29 |
1295.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
10:57:51 AM |
64 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:58:00 AM |
30 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:58:00 AM |
14 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:58:00 AM |
14 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:58:00 AM |
34 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:58:00 AM |
15 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:58:01 AM |
15 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:58:01 AM |
15 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:59:47 AM |
7 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:59:47 AM |
14 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
10:59:47 AM |
93 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:00:00 AM |
35 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:00:00 AM |
14 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:00:00 AM |
15 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:00:00 AM |
50 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:00:53 AM |
30 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:00:53 AM |
15 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:02:01 AM |
42 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:02:01 AM |
69 |
1297.00 |
XCSE |
87
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
11:02:01 AM |
25 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:02:01 AM |
24 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:02:01 AM |
42 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:02:01 AM |
27 |
1297.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
11:02:06 AM |
32 |
1296.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:02:06 AM |
3 |
1296.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:02:06 AM |
87 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:02:36 AM |
71 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:02:36 AM |
18 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:02:36 AM |
26 |
1296.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
11:05:11 AM |
84 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:06:05 AM |
13 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:06:05 AM |
42 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:06:05 AM |
4 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:06:05 AM |
36 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:06:15 AM |
90 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:06:15 AM |
90 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:06:15 AM |
85 |
1298.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:07:13 AM |
25 |
1298.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:09:04 AM |
62 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:09:23 AM |
28 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:10:39 AM |
91 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:10:39 AM |
14 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:13:10 AM |
89 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:13:10 AM |
34 |
1299.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
11:13:10 AM |
88 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:13:30 AM |
72 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:13:30 AM |
22 |
1299.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:14:25 AM |
91 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:14:25 AM |
30 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:14:25 AM |
54 |
1301.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:14:26 AM |
45 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:15:00 AM |
25 |
1302.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
11:15:00 AM |
89 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:15:00 AM |
15 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:15:02 AM |
57 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:15:07 AM |
23 |
1302.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:15:07 AM |
20 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:15:33 AM |
25 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:15:33 AM |
77 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:16:06 AM |
84 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:16:06 AM |
34 |
1302.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
11:16:06 AM |
21 |
1303.00 |
CEUX |
88
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
11:16:06 AM |
69 |
1303.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:17:04 AM |
21 |
1302.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:17:28 AM |
8 |
1302.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:18:52 AM |
42 |
1303.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:19:00 AM |
44 |
1303.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:19:03 AM |
6 |
1302.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:19:40 AM |
85 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:19:40 AM |
88 |
1303.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:20:31 AM |
29 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:20:31 AM |
31 |
1303.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
11:20:51 AM |
60 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:20:51 AM |
26 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:21:01 AM |
58 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:21:01 AM |
15 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:21:01 AM |
24 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:21:01 AM |
18 |
1303.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:21:01 AM |
7 |
1303.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:21:09 AM |
22 |
1302.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:21:27 AM |
84 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:21:27 AM |
7 |
1302.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:21:27 AM |
10 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:21:33 AM |
25 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:21:33 AM |
12 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:21:33 AM |
3 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:21:35 AM |
26 |
1301.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:21:49 AM |
33 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:21:49 AM |
22 |
1301.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:21:49 AM |
28 |
1301.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
11:21:49 AM |
1 |
1301.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:21:49 AM |
33 |
1301.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:22:04 AM |
58 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:24:51 AM |
54 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:24:51 AM |
16 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:24:51 AM |
8 |
1301.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:24:52 AM |
46 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:26:26 AM |
5 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:26:42 AM |
46 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:30:11 AM |
68 |
1304.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:30:11 AM |
20 |
1304.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:30:11 AM |
25 |
1304.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
11:31:18 AM |
13 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:31:18 AM |
52 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:31:18 AM |
49 |
1306.00 |
XCSE |
89
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
11:31:18 AM |
8 |
1305.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:31:18 AM |
87 |
1305.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:31:18 AM |
36 |
1306.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:31:18 AM |
7 |
1306.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:31:18 AM |
8 |
1306.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:31:18 AM |
1 |
1306.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:31:18 AM |
25 |
1306.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:33:04 AM |
25 |
1306.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
11:33:11 AM |
84 |
1306.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:34:01 AM |
77 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:34:01 AM |
9 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:34:01 AM |
48 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:34:01 AM |
66 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:34:01 AM |
98 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:34:01 AM |
15 |
1306.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:34:13 AM |
47 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:34:13 AM |
26 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:36:02 AM |
91 |
1306.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:36:04 AM |
88 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:36:04 AM |
25 |
1306.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:36:04 AM |
36 |
1306.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:36:04 AM |
25 |
1306.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:36:04 AM |
6 |
1306.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:36:08 AM |
13 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:36:15 AM |
36 |
1306.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:36:51 AM |
84 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:37:00 AM |
1 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:37:04 AM |
21 |
1305.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:37:05 AM |
16 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:37:05 AM |
30 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:37:05 AM |
14 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:37:05 AM |
36 |
1306.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:37:21 AM |
10 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:37:21 AM |
25 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:38:06 AM |
29 |
1306.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:38:12 AM |
1 |
1306.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:38:23 AM |
14 |
1306.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:39:00 AM |
52 |
1306.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:40:00 AM |
23 |
1306.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:40:00 AM |
36 |
1307.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:40:00 AM |
36 |
1307.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:40:00 AM |
8 |
1307.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:40:01 AM |
32 |
1307.00 |
CEUX |
90
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
11:40:37 AM |
32 |
1307.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:40:41 AM |
24 |
1306.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:41:04 AM |
47 |
1306.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:41:04 AM |
30 |
1306.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:41:04 AM |
25 |
1306.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:41:04 AM |
12 |
1306.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:41:04 AM |
6 |
1306.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:41:04 AM |
88 |
1306.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:41:05 AM |
47 |
1306.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:41:08 AM |
89 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:42:06 AM |
26 |
1305.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
11:42:06 AM |
12 |
1305.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:42:06 AM |
21 |
1305.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:42:06 AM |
65 |
1305.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:42:41 AM |
75 |
1305.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:42:52 AM |
10 |
1305.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:44:23 AM |
31 |
1305.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:45:35 AM |
58 |
1305.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:45:35 AM |
49 |
1305.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:46:21 AM |
86 |
1305.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:47:32 AM |
31 |
1305.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:47:32 AM |
21 |
1305.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:48:34 AM |
60 |
1305.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:48:34 AM |
24 |
1305.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:51:22 AM |
89 |
1305.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:51:22 AM |
72 |
1305.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:51:22 AM |
13 |
1305.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:51:22 AM |
16 |
1305.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:51:22 AM |
13 |
1305.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:51:22 AM |
33 |
1305.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
11:51:22 AM |
18 |
1305.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:51:22 AM |
36 |
1306.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:51:22 AM |
60 |
1305.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:51:22 AM |
36 |
1305.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:51:22 AM |
10 |
1305.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:51:22 AM |
26 |
1305.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:51:22 AM |
8 |
1305.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:52:25 AM |
88 |
1306.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:54:07 AM |
35 |
1306.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
11:54:07 AM |
22 |
1306.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:54:07 AM |
36 |
1306.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:54:07 AM |
23 |
1306.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:54:30 AM |
1 |
1306.50 |
CEUX |
91
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
11:55:38 AM |
86 |
1307.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:55:38 AM |
35 |
1307.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:55:38 AM |
14 |
1307.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:55:38 AM |
35 |
1307.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:55:38 AM |
24 |
1307.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:56:11 AM |
86 |
1307.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:57:10 AM |
89 |
1307.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:57:10 AM |
36 |
1307.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:57:33 AM |
67 |
1307.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:58:29 AM |
36 |
1307.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:58:30 AM |
32 |
1307.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:58:33 AM |
56 |
1307.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:59:00 AM |
38 |
1307.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
11:59:03 AM |
23 |
1306.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:59:03 AM |
4 |
1306.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:59:03 AM |
24 |
1306.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:59:16 AM |
82 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:59:17 AM |
4 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:59:32 AM |
90 |
1305.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
11:59:32 AM |
32 |
1305.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
11:59:32 AM |
44 |
1305.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:59:32 AM |
87 |
1305.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:59:33 AM |
5 |
1304.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:59:49 AM |
37 |
1304.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
11:59:49 AM |
84 |
1304.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
11:59:49 AM |
2 |
1304.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:03:19 PM |
85 |
1304.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:03:42 PM |
38 |
1304.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:03:42 PM |
15 |
1304.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:03:42 PM |
14 |
1304.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:03:42 PM |
14 |
1304.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:04:33 PM |
15 |
1304.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:04:33 PM |
48 |
1304.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:05:21 PM |
87 |
1303.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:05:21 PM |
25 |
1304.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:06:45 PM |
84 |
1304.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:06:46 PM |
25 |
1304.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
12:09:41 PM |
87 |
1304.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:09:41 PM |
1 |
1304.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:09:41 PM |
25 |
1304.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:10:14 PM |
85 |
1304.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:10:16 PM |
24 |
1304.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:10:16 PM |
26 |
1304.50 |
XCSE |
92
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
12:10:16 PM |
88 |
1304.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:10:16 PM |
25 |
1304.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:10:16 PM |
36 |
1304.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:10:16 PM |
3 |
1304.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:10:17 PM |
27 |
1304.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
12:10:17 PM |
32 |
1304.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:12:47 PM |
36 |
1304.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:12:47 PM |
11 |
1304.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:13:22 PM |
45 |
1304.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:13:22 PM |
15 |
1304.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:13:22 PM |
34 |
1304.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:13:23 PM |
16 |
1304.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:13:23 PM |
14 |
1304.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:13:23 PM |
39 |
1304.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:13:23 PM |
34 |
1304.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:14:00 PM |
86 |
1304.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:14:00 PM |
36 |
1304.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:14:00 PM |
3 |
1304.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:14:00 PM |
22 |
1303.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:14:01 PM |
66 |
1303.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:15:21 PM |
90 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:15:21 PM |
32 |
1302.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
12:15:21 PM |
31 |
1303.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:15:33 PM |
25 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:15:33 PM |
4 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:15:59 PM |
84 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:17:42 PM |
78 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:17:42 PM |
12 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:17:51 PM |
28 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:17:51 PM |
14 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:19:53 PM |
22 |
1302.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:20:01 PM |
39 |
1316.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:20:01 PM |
52 |
1316.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:20:02 PM |
84 |
1324.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:20:02 PM |
84 |
1323.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:20:02 PM |
14 |
1322.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:20:02 PM |
73 |
1322.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:20:02 PM |
85 |
1320.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:20:02 PM |
27 |
1325.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
12:20:02 PM |
28 |
1323.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
12:20:02 PM |
25 |
1325.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:20:02 PM |
27 |
1323.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:20:02 PM |
85 |
1324.50 |
CEUX |
93
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
12:20:02 PM |
4 |
1323.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:20:02 PM |
83 |
1323.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:20:02 PM |
69 |
1322.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:20:02 PM |
20 |
1322.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:20:02 PM |
89 |
1321.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:20:03 PM |
85 |
1319.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:20:03 PM |
30 |
1321.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:20:03 PM |
20 |
1321.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:20:03 PM |
50 |
1320.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:20:03 PM |
27 |
1319.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:20:03 PM |
38 |
1321.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:20:03 PM |
35 |
1320.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:20:35 PM |
26 |
1311.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:20:35 PM |
33 |
1311.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:21:14 PM |
31 |
1310.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:21:14 PM |
26 |
1309.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:21:54 PM |
29 |
1309.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:21:54 PM |
22 |
1309.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:21:54 PM |
8 |
1309.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:21:54 PM |
2 |
1309.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:22:10 PM |
28 |
1311.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:22:10 PM |
2 |
1311.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:22:16 PM |
25 |
1314.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:22:42 PM |
25 |
1316.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:22:49 PM |
25 |
1314.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:23:36 PM |
25 |
1313.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:23:36 PM |
1 |
1313.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:23:49 PM |
6 |
1313.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:23:49 PM |
1 |
1313.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:23:49 PM |
1 |
1313.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:23:49 PM |
18 |
1313.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:24:04 PM |
25 |
1316.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:24:05 PM |
32 |
1316.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:24:05 PM |
27 |
1315.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:24:05 PM |
26 |
1316.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:25:03 PM |
29 |
1314.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:25:03 PM |
32 |
1313.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:25:03 PM |
25 |
1315.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
12:25:03 PM |
26 |
1315.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:25:26 PM |
19 |
1312.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:28:43 PM |
50 |
1311.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:28:43 PM |
17 |
1311.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:28:43 PM |
26 |
1311.50 |
CEUX |
94
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
12:29:33 PM |
21 |
1311.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:29:37 PM |
20 |
1311.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:29:45 PM |
25 |
1311.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
12:30:53 PM |
26 |
1311.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:30:53 PM |
11 |
1311.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:30:53 PM |
35 |
1311.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:31:01 PM |
82 |
1311.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:31:02 PM |
29 |
1310.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:31:02 PM |
29 |
1310.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:31:45 PM |
26 |
1309.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:31:45 PM |
30 |
1309.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:31:53 PM |
25 |
1308.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:32:02 PM |
17 |
1307.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:32:02 PM |
54 |
1307.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:32:15 PM |
4 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:32:15 PM |
74 |
1306.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:32:58 PM |
24 |
1305.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:32:59 PM |
12 |
1305.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:32:59 PM |
25 |
1305.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:33:04 PM |
18 |
1304.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:33:04 PM |
8 |
1304.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:33:17 PM |
30 |
1304.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:33:17 PM |
15 |
1304.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:35:39 PM |
61 |
1305.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:35:39 PM |
30 |
1305.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:35:39 PM |
7 |
1305.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:36:30 PM |
17 |
1304.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:36:30 PM |
1 |
1304.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:38:51 PM |
11 |
1304.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:40:09 PM |
27 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:40:09 PM |
25 |
1303.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
12:40:09 PM |
3 |
1302.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:40:09 PM |
25 |
1303.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:40:09 PM |
2 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:40:09 PM |
23 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:40:23 PM |
21 |
1303.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:41:40 PM |
30 |
1304.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:41:40 PM |
30 |
1304.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:41:40 PM |
3 |
1304.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:41:54 PM |
91 |
1304.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:41:54 PM |
25 |
1304.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
12:41:54 PM |
4 |
1303.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:41:55 PM |
38 |
1303.00 |
CEUX |
95
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
12:41:55 PM |
24 |
1303.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:42:28 PM |
21 |
1302.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:42:31 PM |
87 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:42:31 PM |
1 |
1302.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:42:31 PM |
58 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:42:31 PM |
8 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:42:32 PM |
31 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:42:32 PM |
12 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:42:38 PM |
25 |
1301.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
12:43:46 PM |
10 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:43:46 PM |
21 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:43:46 PM |
58 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:44:31 PM |
17 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:44:41 PM |
85 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:44:41 PM |
8 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:44:41 PM |
4 |
1298.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:44:41 PM |
4 |
1298.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:44:41 PM |
18 |
1298.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:44:50 PM |
15 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:44:57 PM |
11 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:45:21 PM |
65 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:45:22 PM |
13 |
1298.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:45:22 PM |
13 |
1298.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:46:35 PM |
25 |
1300.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:46:35 PM |
25 |
1300.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:46:55 PM |
25 |
1300.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:49:40 PM |
16 |
1300.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
12:49:40 PM |
9 |
1300.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
12:49:40 PM |
14 |
1300.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:49:40 PM |
21 |
1300.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:50:25 PM |
81 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:50:27 PM |
1 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:50:29 PM |
18 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:50:29 PM |
6 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:51:12 PM |
40 |
1300.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:51:18 PM |
10 |
1300.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:51:19 PM |
15 |
1300.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:51:20 PM |
87 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:51:45 PM |
35 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:51:45 PM |
50 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:51:45 PM |
27 |
1301.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:53:07 PM |
85 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:53:07 PM |
25 |
1300.50 |
TQEX |
96
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
12:53:07 PM |
25 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:55:22 PM |
89 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:55:25 PM |
10 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:55:25 PM |
15 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:57:15 PM |
25 |
1300.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
12:58:01 PM |
32 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:58:01 PM |
57 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:58:01 PM |
25 |
1299.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
12:58:01 PM |
26 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:58:01 PM |
35 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:58:14 PM |
86 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:58:15 PM |
22 |
1298.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:58:15 PM |
6 |
1298.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:58:38 PM |
84 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
12:58:38 PM |
39 |
1298.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
12:58:41 PM |
7 |
1298.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:00:00 PM |
90 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:00:00 PM |
5 |
1298.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:00:00 PM |
18 |
1298.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:00:00 PM |
17 |
1298.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:00:00 PM |
8 |
1298.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:00:02 PM |
12 |
1298.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:00:02 PM |
8 |
1298.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:01:05 PM |
77 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:01:05 PM |
14 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:01:05 PM |
91 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:01:05 PM |
25 |
1298.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:01:05 PM |
35 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:01:05 PM |
29 |
1298.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:01:06 PM |
22 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:01:06 PM |
29 |
1298.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:01:08 PM |
41 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:01:10 PM |
64 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:01:10 PM |
3 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:04:08 PM |
10 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:04:08 PM |
43 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:04:08 PM |
32 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:04:15 PM |
3 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:04:15 PM |
17 |
1299.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:04:15 PM |
31 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:05:24 PM |
5 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:05:27 PM |
21 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:05:27 PM |
37 |
1299.50 |
CEUX |
97
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
1:06:00 PM |
45 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:06:00 PM |
25 |
1299.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:06:03 PM |
8 |
1299.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:08:51 PM |
25 |
1298.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:10:03 PM |
90 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:10:03 PM |
67 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:10:13 PM |
18 |
1298.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:10:13 PM |
7 |
1298.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:10:32 PM |
45 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:10:32 PM |
13 |
1298.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:10:32 PM |
19 |
1298.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:11:06 PM |
48 |
1298.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:11:10 PM |
2 |
1298.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:11:39 PM |
21 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:12:29 PM |
13 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:12:29 PM |
51 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:12:57 PM |
43 |
1297.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:13:31 PM |
22 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:14:07 PM |
16 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:14:07 PM |
29 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:14:07 PM |
16 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:14:25 PM |
16 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:14:59 PM |
14 |
1296.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:14:59 PM |
3 |
1296.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:14:59 PM |
9 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:15:09 PM |
16 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:15:09 PM |
5 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:15:09 PM |
15 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:15:10 PM |
18 |
1296.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:15:31 PM |
11 |
1296.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:15:31 PM |
4 |
1296.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:16:24 PM |
41 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:16:24 PM |
45 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:16:24 PM |
62 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:16:24 PM |
2 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:16:39 PM |
88 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:16:42 PM |
37 |
1295.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:16:45 PM |
25 |
1294.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:16:47 PM |
14 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:16:47 PM |
73 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:16:47 PM |
46 |
1294.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:17:41 PM |
66 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:18:53 PM |
11 |
1296.50 |
XCSE |
98
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
1:18:53 PM |
74 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:18:53 PM |
25 |
1296.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:18:53 PM |
18 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:18:53 PM |
32 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:19:07 PM |
89 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:19:07 PM |
85 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:19:07 PM |
47 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:19:07 PM |
41 |
1294.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:19:51 PM |
49 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:21:52 PM |
39 |
1295.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:21:59 PM |
19 |
1295.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:21:59 PM |
6 |
1295.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:22:43 PM |
21 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:22:43 PM |
13 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:22:48 PM |
14 |
1295.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:23:19 PM |
87 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:23:19 PM |
33 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:23:21 PM |
11 |
1295.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:23:35 PM |
68 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:23:36 PM |
17 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:23:36 PM |
15 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:23:36 PM |
73 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:23:36 PM |
31 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:23:52 PM |
91 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:24:35 PM |
27 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:24:35 PM |
25 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:24:35 PM |
25 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:25:43 PM |
29 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:26:53 PM |
66 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:27:45 PM |
40 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:27:45 PM |
25 |
1293.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:27:45 PM |
25 |
1293.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:27:45 PM |
25 |
1293.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:28:07 PM |
28 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:28:08 PM |
26 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:28:13 PM |
3 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:28:13 PM |
32 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:28:37 PM |
30 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:28:37 PM |
28 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:28:39 PM |
25 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:29:03 PM |
37 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:31:02 PM |
69 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:31:02 PM |
36 |
1292.50 |
CEUX |
99
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
1:31:14 PM |
12 |
1292.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:31:14 PM |
5 |
1292.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:33:00 PM |
84 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:33:00 PM |
25 |
1293.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:33:59 PM |
2 |
1295.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:37:07 PM |
77 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:37:07 PM |
9 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:37:07 PM |
27 |
1295.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:37:07 PM |
34 |
1295.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:37:30 PM |
90 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:38:31 PM |
45 |
1295.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:39:45 PM |
90 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:39:45 PM |
53 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:39:55 PM |
28 |
1296.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:40:00 PM |
17 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:40:26 PM |
12 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:41:11 PM |
4 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:41:21 PM |
28 |
1295.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:41:30 PM |
51 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:41:30 PM |
6 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:41:44 PM |
25 |
1294.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:43:51 PM |
79 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:43:57 PM |
9 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:46:07 PM |
36 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:46:07 PM |
20 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:46:07 PM |
34 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:46:52 PM |
36 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:46:52 PM |
22 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:46:52 PM |
42 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:47:33 PM |
49 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:47:33 PM |
35 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:47:33 PM |
50 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:47:41 PM |
27 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:47:41 PM |
25 |
1294.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:47:41 PM |
26 |
1294.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:47:41 PM |
23 |
1293.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:47:41 PM |
42 |
1294.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:47:55 PM |
5 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:48:19 PM |
30 |
1293.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:48:19 PM |
26 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:48:22 PM |
84 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:48:24 PM |
28 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:49:51 PM |
89 |
1293.00 |
CEUX |
100
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
1:50:52 PM |
50 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:50:52 PM |
36 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:51:36 PM |
84 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:51:36 PM |
58 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:52:01 PM |
26 |
1291.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:52:02 PM |
30 |
1291.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:54:12 PM |
35 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:54:12 PM |
19 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:54:12 PM |
25 |
1292.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
1:54:12 PM |
8 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:54:12 PM |
8 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:55:01 PM |
1 |
1294.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:56:41 PM |
43 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:56:41 PM |
25 |
1293.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
1:56:41 PM |
91 |
1293.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
1:57:22 PM |
28 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:57:22 PM |
28 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:58:08 PM |
27 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:58:09 PM |
27 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:58:09 PM |
27 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:58:09 PM |
27 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
1:58:51 PM |
43 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:00:11 PM |
5 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:01:30 PM |
35 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:01:30 PM |
17 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:01:30 PM |
37 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:01:30 PM |
25 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:01:30 PM |
25 |
1292.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:01:30 PM |
25 |
1292.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:01:30 PM |
58 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:01:30 PM |
33 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:01:30 PM |
36 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:01:44 PM |
114 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:01:44 PM |
83 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:02:19 PM |
14 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:03:17 PM |
4 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:03:17 PM |
110 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:03:18 PM |
39 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:03:18 PM |
36 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:03:18 PM |
39 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:03:18 PM |
51 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:03:18 PM |
22 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:03:33 PM |
51 |
1294.00 |
XCSE |
101
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
2:03:44 PM |
7 |
1294.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:03:47 PM |
14 |
1294.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:04:13 PM |
39 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:04:33 PM |
8 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:04:33 PM |
80 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:04:33 PM |
15 |
1294.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:05:47 PM |
28 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:05:47 PM |
27 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:05:47 PM |
34 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:05:47 PM |
18 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:05:47 PM |
7 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:06:51 PM |
85 |
1295.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:07:12 PM |
14 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:07:12 PM |
12 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:07:41 PM |
76 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:07:41 PM |
36 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:07:53 PM |
45 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:07:53 PM |
29 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:08:22 PM |
34 |
1295.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:08:22 PM |
86 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:08:39 PM |
114 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:08:39 PM |
31 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:08:39 PM |
13 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:08:40 PM |
29 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:08:50 PM |
91 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:09:21 PM |
40 |
1297.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:10:12 PM |
33 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:10:12 PM |
57 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:10:12 PM |
34 |
1297.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:10:12 PM |
86 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:10:12 PM |
36 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:10:13 PM |
27 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:10:33 PM |
12 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:11:23 PM |
23 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:12:00 PM |
11 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:12:31 PM |
8 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:12:31 PM |
42 |
1296.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:13:41 PM |
36 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:13:41 PM |
2 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:13:41 PM |
32 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:13:41 PM |
12 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:13:50 PM |
36 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:13:59 PM |
16 |
1296.00 |
CEUX |
102
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
2:14:29 PM |
26 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:14:30 PM |
14 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:14:30 PM |
26 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:14:30 PM |
13 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:14:30 PM |
14 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:16:31 PM |
26 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:16:31 PM |
30 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:16:31 PM |
13 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:16:31 PM |
32 |
1296.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:16:31 PM |
72 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:16:31 PM |
32 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:17:01 PM |
4 |
1296.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:17:11 PM |
91 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:18:11 PM |
22 |
1296.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:18:12 PM |
4 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:18:22 PM |
114 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:19:40 PM |
87 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:19:40 PM |
36 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:19:40 PM |
25 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:19:46 PM |
82 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:20:55 PM |
13 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:20:55 PM |
15 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:20:56 PM |
41 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:21:29 PM |
24 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:22:21 PM |
38 |
1295.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:22:21 PM |
25 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:23:52 PM |
85 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:23:52 PM |
37 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:23:52 PM |
15 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:23:52 PM |
16 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:23:52 PM |
46 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:23:52 PM |
27 |
1295.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:23:52 PM |
25 |
1295.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:23:52 PM |
36 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:23:52 PM |
7 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:23:52 PM |
85 |
1295.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:23:53 PM |
48 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:23:54 PM |
15 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:23:54 PM |
17 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:23:54 PM |
32 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:24:05 PM |
15 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:24:06 PM |
15 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:24:06 PM |
23 |
1295.50 |
XCSE |
103
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
2:24:06 PM |
13 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:24:06 PM |
14 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:24:06 PM |
13 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:24:06 PM |
16 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:24:06 PM |
34 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:24:06 PM |
17 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:24:06 PM |
38 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:24:07 PM |
85 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:24:17 PM |
35 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:24:17 PM |
13 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:24:17 PM |
88 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:24:17 PM |
25 |
1294.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:24:17 PM |
36 |
1294.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:24:17 PM |
89 |
1294.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:24:17 PM |
43 |
1293.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:24:21 PM |
47 |
1293.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:24:28 PM |
89 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:25:51 PM |
67 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:25:51 PM |
24 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:27:59 PM |
26 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:27:59 PM |
1 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:27:59 PM |
15 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:27:59 PM |
75 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:27:59 PM |
9 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:27:59 PM |
88 |
1293.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:29:11 PM |
87 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:29:11 PM |
25 |
1292.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:29:11 PM |
58 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:29:11 PM |
28 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:33:11 PM |
80 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:33:11 PM |
11 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:33:11 PM |
43 |
1293.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:33:11 PM |
90 |
1293.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:33:13 PM |
88 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:33:13 PM |
85 |
1293.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:33:21 PM |
13 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:33:21 PM |
13 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:33:21 PM |
14 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:34:52 PM |
56 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:35:04 PM |
41 |
1295.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:36:41 PM |
87 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:36:41 PM |
7 |
1295.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:38:22 PM |
39 |
1297.00 |
XCSE |
104
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
2:38:22 PM |
14 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:38:22 PM |
14 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:38:22 PM |
46 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:38:22 PM |
1 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:38:22 PM |
39 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:38:22 PM |
20 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:38:22 PM |
6 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:38:23 PM |
48 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:38:50 PM |
87 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:38:50 PM |
41 |
1297.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:38:50 PM |
84 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:38:52 PM |
39 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:38:52 PM |
14 |
1297.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:39:28 PM |
85 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:39:28 PM |
35 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:39:28 PM |
25 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:39:28 PM |
35 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:39:28 PM |
15 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:39:28 PM |
87 |
1298.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:39:46 PM |
50 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:39:47 PM |
36 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:40:01 PM |
25 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:40:35 PM |
114 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:40:35 PM |
32 |
1298.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:40:37 PM |
89 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:40:37 PM |
30 |
1298.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:40:37 PM |
40 |
1298.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:40:37 PM |
30 |
1297.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:40:37 PM |
54 |
1297.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:40:39 PM |
13 |
1297.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:43:02 PM |
34 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:43:02 PM |
30 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:43:05 PM |
149 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:43:05 PM |
25 |
1300.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:43:05 PM |
52 |
1300.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:43:46 PM |
37 |
1300.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:43:46 PM |
64 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:43:46 PM |
27 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:43:57 PM |
85 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:43:57 PM |
5 |
1301.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:43:57 PM |
29 |
1301.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:43:59 PM |
84 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:43:59 PM |
1 |
1300.00 |
XCSE |
105
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
2:43:59 PM |
90 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:44:00 PM |
36 |
1300.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:44:04 PM |
60 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:44:04 PM |
27 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:44:25 PM |
14 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:44:32 PM |
72 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:44:40 PM |
89 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:45:45 PM |
90 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:46:27 PM |
85 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:46:27 PM |
25 |
1300.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:47:38 PM |
34 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:48:14 PM |
34 |
1301.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:48:14 PM |
28 |
1301.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:48:18 PM |
52 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:49:03 PM |
85 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:50:51 PM |
91 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:50:51 PM |
91 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:50:52 PM |
15 |
1300.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:50:55 PM |
2 |
1300.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:51:02 PM |
10 |
1300.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:51:03 PM |
18 |
1299.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:51:03 PM |
38 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:51:13 PM |
47 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:51:13 PM |
35 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:51:13 PM |
13 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:51:13 PM |
15 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:51:13 PM |
4 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:52:23 PM |
42 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:52:23 PM |
13 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:52:23 PM |
2 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:52:23 PM |
34 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:52:23 PM |
14 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:52:23 PM |
9 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:53:01 PM |
90 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:53:45 PM |
15 |
1299.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:53:45 PM |
87 |
1300.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:53:45 PM |
4 |
1300.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:54:13 PM |
6 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:54:13 PM |
13 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:54:13 PM |
88 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:54:34 PM |
88 |
1300.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:55:23 PM |
21 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:55:23 PM |
1 |
1300.50 |
XCSE |
106
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
2:55:23 PM |
2 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:57:11 PM |
85 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:57:11 PM |
21 |
1300.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:57:11 PM |
5 |
1300.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
2:57:24 PM |
88 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:58:51 PM |
35 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:58:51 PM |
26 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:58:51 PM |
31 |
1301.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
2:58:51 PM |
84 |
1301.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
2:59:25 PM |
58 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:59:25 PM |
17 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:59:25 PM |
14 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
2:59:25 PM |
43 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:00:49 PM |
2 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:00:49 PM |
1 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:00:49 PM |
32 |
1301.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:01:51 PM |
84 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:01:51 PM |
35 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:01:51 PM |
20 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:01:51 PM |
17 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:01:51 PM |
42 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:01:51 PM |
2 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:01:51 PM |
89 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:01:52 PM |
4 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:01:52 PM |
35 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:01:52 PM |
27 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:01:52 PM |
16 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:01:52 PM |
32 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:02:49 PM |
47 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:02:49 PM |
20 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:02:49 PM |
24 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:02:49 PM |
17 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:02:49 PM |
2 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:02:53 PM |
91 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:02:53 PM |
28 |
1300.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:02:53 PM |
10 |
1299.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:02:53 PM |
25 |
1301.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:02:53 PM |
27 |
1300.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:02:53 PM |
15 |
1299.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:02:53 PM |
88 |
1301.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:02:53 PM |
84 |
1300.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:02:54 PM |
84 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:04:43 PM |
81 |
1300.50 |
XCSE |
107
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:05:19 PM |
87 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:08:08 PM |
12 |
1301.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:08:30 PM |
89 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:09:25 PM |
71 |
1301.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:10:19 PM |
35 |
1301.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:10:19 PM |
7 |
1301.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:10:26 PM |
43 |
1300.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:10:26 PM |
25 |
1300.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:10:26 PM |
32 |
1301.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:10:26 PM |
90 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:11:01 PM |
88 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:11:31 PM |
22 |
1300.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:11:31 PM |
72 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:11:36 PM |
19 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:11:43 PM |
3 |
1300.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:12:41 PM |
84 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:13:14 PM |
15 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:13:14 PM |
16 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:13:51 PM |
53 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:13:51 PM |
37 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:13:51 PM |
42 |
1300.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:13:51 PM |
90 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:15:22 PM |
85 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:15:22 PM |
90 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:16:12 PM |
25 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:16:21 PM |
64 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:16:45 PM |
85 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:16:45 PM |
56 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:18:02 PM |
35 |
1302.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:18:02 PM |
30 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:18:23 PM |
32 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:18:51 PM |
38 |
1302.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:19:37 PM |
7 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:19:37 PM |
13 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:19:37 PM |
8 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:19:37 PM |
1 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:19:37 PM |
8 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:19:37 PM |
7 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:19:43 PM |
34 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:19:43 PM |
16 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:19:43 PM |
17 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:19:43 PM |
16 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:19:43 PM |
7 |
1302.50 |
CEUX |
108
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:19:43 PM |
18 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:20:11 PM |
3 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:20:11 PM |
3 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:20:11 PM |
19 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:21:01 PM |
40 |
1302.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:21:01 PM |
16 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:21:01 PM |
8 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:21:01 PM |
31 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:21:04 PM |
46 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:04 PM |
24 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:04 PM |
15 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:04 PM |
15 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:04 PM |
48 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:04 PM |
17 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:04 PM |
15 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:04 PM |
24 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:04 PM |
32 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:21:05 PM |
17 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:05 PM |
16 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:05 PM |
14 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:05 PM |
67 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:05 PM |
9 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:05 PM |
14 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:06 PM |
42 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:06 PM |
49 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:06 PM |
45 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:06 PM |
12 |
1301.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:21:15 PM |
35 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:15 PM |
14 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:15 PM |
16 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:15 PM |
24 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:15 PM |
24 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:15 PM |
1 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:21:15 PM |
36 |
1301.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:21:15 PM |
75 |
1301.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:22:20 PM |
81 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:22:20 PM |
9 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:22:20 PM |
13 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:22:20 PM |
7 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:22:20 PM |
4 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:22:23 PM |
36 |
1302.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:22:37 PM |
50 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:23:01 PM |
37 |
1302.50 |
CEUX |
109
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:23:14 PM |
37 |
1302.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:23:53 PM |
49 |
1303.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:23:53 PM |
4 |
1303.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:24:05 PM |
114 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:24:05 PM |
9 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:24:05 PM |
36 |
1302.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:24:05 PM |
91 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:24:16 PM |
89 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:24:17 PM |
26 |
1302.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:24:17 PM |
84 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:25:11 PM |
91 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:25:11 PM |
87 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:25:11 PM |
3 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:25:11 PM |
1 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:25:11 PM |
25 |
1303.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
47 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
35 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
26 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
6 |
1303.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
82 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
2 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
17 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
17 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
35 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
16 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
29 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
4 |
1302.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
84 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
25 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
31 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
8 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
36 |
1303.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
8 |
1303.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:26:34 PM |
6 |
1303.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:26:35 PM |
16 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:35 PM |
26 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:35 PM |
16 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:35 PM |
17 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:35 PM |
14 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:35 PM |
26 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:35 PM |
57 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:35 PM |
17 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:35 PM |
14 |
1302.50 |
XCSE |
110
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:26:35 PM |
26 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:35 PM |
15 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:35 PM |
41 |
1302.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:26:36 PM |
48 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:36 PM |
16 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:36 PM |
15 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:36 PM |
26 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:36 PM |
9 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:36 PM |
30 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:36 PM |
17 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:36 PM |
14 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:37 PM |
17 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:37 PM |
26 |
1302.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:26:57 PM |
26 |
1302.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:26:57 PM |
84 |
1302.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:27:21 PM |
77 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:27:21 PM |
9 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:27:26 PM |
11 |
1302.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
13 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
35 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
14 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
17 |
1302.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
85 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
2 |
1301.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
2 |
1301.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
2 |
1301.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
2 |
1301.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
2 |
1301.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
3 |
1301.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
2 |
1301.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
2 |
1301.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
2 |
1301.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
2 |
1301.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
2 |
1301.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
31 |
1301.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:27:50 PM |
89 |
1301.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:27:51 PM |
16 |
1301.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:27:51 PM |
9 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:27:52 PM |
35 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:27:52 PM |
23 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:27:52 PM |
13 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:27:52 PM |
77 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:28:00 PM |
89 |
1300.50 |
XCSE |
111
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:28:00 PM |
5 |
1300.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:28:00 PM |
7 |
1300.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:28:00 PM |
5 |
1300.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:28:00 PM |
6 |
1300.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:28:00 PM |
11 |
1300.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:28:00 PM |
1 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:28:00 PM |
4 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:28:00 PM |
5 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:28:00 PM |
6 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:28:00 PM |
38 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:28:10 PM |
35 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:28:13 PM |
59 |
1301.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:28:41 PM |
62 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:29:11 PM |
28 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:29:11 PM |
31 |
1300.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:30:00 PM |
7 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:00 PM |
14 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:00 PM |
15 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:00 PM |
15 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:00 PM |
35 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:00 PM |
31 |
1300.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:30:00 PM |
65 |
1301.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:30:04 PM |
91 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:04 PM |
12 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:04 PM |
13 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:04 PM |
35 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:04 PM |
46 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:04 PM |
8 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:04 PM |
6 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:04 PM |
35 |
1301.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:30:04 PM |
76 |
1301.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:30:11 PM |
85 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:41 PM |
25 |
1300.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:30:52 PM |
6 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:52 PM |
2 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:52 PM |
2 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:52 PM |
2 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:52 PM |
15 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:52 PM |
5 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:52 PM |
3 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:52 PM |
2 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:52 PM |
6 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:52 PM |
63 |
1300.00 |
CEUX |
112
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:30:53 PM |
19 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:53 PM |
27 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:53 PM |
14 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:30:53 PM |
14 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:31:01 PM |
90 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:31:21 PM |
28 |
1299.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:31:22 PM |
18 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:31:29 PM |
86 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:31:29 PM |
29 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:31:51 PM |
88 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:31:51 PM |
33 |
1299.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:31:53 PM |
27 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:31:53 PM |
16 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:32:03 PM |
17 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:32:03 PM |
13 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:32:03 PM |
12 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:32:03 PM |
46 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:32:05 PM |
3 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:05 PM |
79 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:07 PM |
45 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:07 PM |
39 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:07 PM |
32 |
1300.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:32:22 PM |
31 |
1301.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:32:27 PM |
88 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:27 PM |
48 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:27 PM |
20 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:27 PM |
35 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:27 PM |
11 |
1300.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:27 PM |
86 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:27 PM |
29 |
1301.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:32:27 PM |
26 |
1300.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:32:27 PM |
84 |
1301.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:32:27 PM |
86 |
1300.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
3 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
14 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
46 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
2 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
3 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
5 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
4 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
3 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
3 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
5 |
1299.50 |
XCSE |
113
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
3 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
7 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
16 |
1299.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
84 |
1300.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
12 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
5 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
8 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
7 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
6 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:32:30 PM |
2 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:32:31 PM |
17 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:31 PM |
68 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:31 PM |
47 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:32:32 PM |
4 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:32:51 PM |
89 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:02 PM |
6 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:11 PM |
35 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:11 PM |
19 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:11 PM |
17 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:11 PM |
16 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:14 PM |
88 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:14 PM |
16 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:14 PM |
14 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:14 PM |
16 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:14 PM |
49 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:14 PM |
19 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:14 PM |
28 |
1297.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:33:14 PM |
33 |
1298.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:33:14 PM |
89 |
1297.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:33:31 PM |
35 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:31 PM |
13 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:31 PM |
46 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:31 PM |
17 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:31 PM |
28 |
1298.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:33:32 PM |
48 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:32 PM |
11 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:33:51 PM |
87 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:34:01 PM |
80 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:34:01 PM |
9 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:34:01 PM |
50 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:34:01 PM |
12 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:34:19 PM |
21 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:34:20 PM |
54 |
1299.50 |
CEUX |
114
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:34:39 PM |
27 |
1301.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:34:39 PM |
11 |
1301.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:34:39 PM |
34 |
1301.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:34:39 PM |
54 |
1301.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:34:51 PM |
2 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:34:59 PM |
36 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:35:00 PM |
12 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:35:00 PM |
31 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:35:00 PM |
13 |
1302.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:35:04 PM |
83 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:04 PM |
35 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:04 PM |
48 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:04 PM |
31 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:04 PM |
30 |
1301.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:35:05 PM |
15 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:05 PM |
23 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:05 PM |
16 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:05 PM |
17 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:05 PM |
35 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:05 PM |
22 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:05 PM |
46 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:05 PM |
15 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:05 PM |
17 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:05 PM |
14 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:05 PM |
14 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:05 PM |
13 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:05 PM |
46 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:05 PM |
16 |
1301.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:13 PM |
85 |
1301.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:13 PM |
26 |
1301.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:35:13 PM |
32 |
1301.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:35:33 PM |
5 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:33 PM |
15 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:33 PM |
10 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:33 PM |
5 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:33 PM |
10 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:33 PM |
5 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:33 PM |
40 |
1300.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:35:33 PM |
38 |
1300.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:35:33 PM |
4 |
1299.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:35:33 PM |
2 |
1299.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:35:33 PM |
5 |
1299.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:35:33 PM |
26 |
1300.00 |
AQEU |
115
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:35:33 PM |
90 |
1300.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:35:50 PM |
23 |
1299.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:35:50 PM |
20 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:35:50 PM |
64 |
1299.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:35:51 PM |
90 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:36:02 PM |
91 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:36:02 PM |
87 |
1298.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:36:03 PM |
41 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:36:03 PM |
50 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:36:03 PM |
88 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:36:03 PM |
23 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:36:40 PM |
89 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:37:01 PM |
90 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:37:01 PM |
25 |
1298.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:37:01 PM |
11 |
1298.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:37:01 PM |
77 |
1298.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:37:21 PM |
86 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:38:28 PM |
86 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:38:29 PM |
86 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:38:29 PM |
35 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:38:29 PM |
24 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:38:29 PM |
46 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:38:29 PM |
9 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:38:29 PM |
25 |
1298.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:38:29 PM |
90 |
1298.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:38:30 PM |
31 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:38:31 PM |
54 |
1298.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:39:01 PM |
2 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:39:06 PM |
85 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:39:06 PM |
26 |
1299.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:39:10 PM |
2 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:39:33 PM |
56 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:39:43 PM |
15 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:39:43 PM |
25 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:39:53 PM |
15 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:39:53 PM |
25 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:39:53 PM |
2 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:39:53 PM |
46 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:40:13 PM |
32 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:40:31 PM |
25 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:40:32 PM |
26 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:40:43 PM |
3 |
1299.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:40:51 PM |
80 |
1299.00 |
XCSE |
116
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:40:51 PM |
7 |
1299.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:40:52 PM |
5 |
1299.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:40:53 PM |
30 |
1299.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
91 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
84 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
91 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
91 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
90 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
91 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
86 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
27 |
1298.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
26 |
1296.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
33 |
1295.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
35 |
1298.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
25 |
1297.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
85 |
1298.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
85 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
84 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
66 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
23 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
86 |
1294.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
87 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:40:56 PM |
28 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:40:57 PM |
29 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:41:28 PM |
49 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:41:28 PM |
14 |
1294.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:41:28 PM |
20 |
1294.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:41:30 PM |
29 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:42:38 PM |
91 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:42:38 PM |
34 |
1294.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:42:54 PM |
68 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:42:54 PM |
17 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:43:30 PM |
87 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:43:51 PM |
25 |
1295.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:43:51 PM |
27 |
1295.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:43:51 PM |
84 |
1295.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:44:11 PM |
1 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:44:11 PM |
89 |
1294.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:44:22 PM |
91 |
1294.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:44:31 PM |
74 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:44:31 PM |
12 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:44:31 PM |
21 |
1294.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:44:31 PM |
12 |
1294.00 |
TQEX |
117
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:44:51 PM |
27 |
1294.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:44:51 PM |
25 |
1293.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:45:04 PM |
30 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:45:36 PM |
84 |
1293.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:45:36 PM |
3 |
1293.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:45:45 PM |
47 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:45:45 PM |
46 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:45:45 PM |
13 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:45:45 PM |
86 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:45:46 PM |
17 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:45:46 PM |
26 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:45:46 PM |
46 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:45:46 PM |
17 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:45:46 PM |
14 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:45:46 PM |
26 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:45:46 PM |
17 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:45:46 PM |
46 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:46:07 PM |
6 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:46:07 PM |
2 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:46:07 PM |
3 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:46:07 PM |
77 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:46:07 PM |
30 |
1293.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:46:07 PM |
88 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:46:19 PM |
88 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:46:19 PM |
3 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:46:19 PM |
89 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:46:47 PM |
16 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:46:47 PM |
14 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:46:47 PM |
14 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:46:47 PM |
46 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:47:31 PM |
28 |
1295.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:47:31 PM |
91 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:47:32 PM |
21 |
1296.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:47:32 PM |
81 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:47:32 PM |
7 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:48:16 PM |
28 |
1297.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:48:41 PM |
86 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:48:41 PM |
91 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:49:02 PM |
14 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:49:02 PM |
46 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:49:02 PM |
21 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:49:02 PM |
4 |
1296.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:49:02 PM |
34 |
1296.50 |
AQEU |
118
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:49:21 PM |
2 |
1296.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:49:21 PM |
35 |
1296.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:49:21 PM |
86 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:49:38 PM |
1 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:49:43 PM |
2 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:49:44 PM |
1 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:49:48 PM |
1 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:49:48 PM |
2 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:49:48 PM |
81 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:49:51 PM |
90 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:49:51 PM |
42 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:49:51 PM |
12 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:49:51 PM |
25 |
1295.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:49:52 PM |
1 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:49:55 PM |
46 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:49:58 PM |
114 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:50:01 PM |
86 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:50:02 PM |
15 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:50:02 PM |
25 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:50:35 PM |
25 |
1297.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:51:22 PM |
41 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:51:22 PM |
48 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:51:22 PM |
3 |
1297.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:51:22 PM |
22 |
1297.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:51:22 PM |
88 |
1297.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:51:37 PM |
12 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:51:37 PM |
18 |
1297.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:21 PM |
76 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:21 PM |
9 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:21 PM |
46 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:21 PM |
38 |
1298.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:52:21 PM |
7 |
1298.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:52:27 PM |
50 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:27 PM |
35 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:27 PM |
22 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:27 PM |
7 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:27 PM |
39 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:27 PM |
17 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:27 PM |
14 |
1298.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:27 PM |
36 |
1298.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:52:27 PM |
89 |
1297.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:52:28 PM |
24 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:28 PM |
24 |
1297.00 |
XCSE |
119
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:52:28 PM |
15 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:28 PM |
25 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:28 PM |
16 |
1297.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:52:28 PM |
10 |
1297.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:52:28 PM |
5 |
1297.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:52:28 PM |
25 |
1297.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:52:28 PM |
1 |
1297.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:52:28 PM |
90 |
1297.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:52:30 PM |
46 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:30 PM |
17 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:30 PM |
35 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:30 PM |
16 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:30 PM |
16 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:30 PM |
59 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:30 PM |
16 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:30 PM |
15 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:30 PM |
1 |
1297.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:52:30 PM |
12 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:52:30 PM |
31 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:52:31 PM |
14 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:31 PM |
23 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:32 PM |
87 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:52:35 PM |
35 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:35 PM |
28 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:35 PM |
35 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:35 PM |
15 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:35 PM |
1 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:35 PM |
50 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:35 PM |
17 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:35 PM |
28 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:35 PM |
15 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:35 PM |
4 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:36 PM |
17 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:36 PM |
28 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:36 PM |
14 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:36 PM |
55 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:36 PM |
37 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:52:52 PM |
14 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:53:05 PM |
90 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:53:05 PM |
35 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:53:05 PM |
46 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:53:05 PM |
33 |
1296.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:53:05 PM |
38 |
1296.00 |
TQEX |
120
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:53:05 PM |
30 |
1296.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:53:05 PM |
11 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:53:05 PM |
74 |
1296.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:53:05 PM |
88 |
1295.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:53:06 PM |
29 |
1295.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:53:40 PM |
18 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:53:51 PM |
91 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:53:52 PM |
49 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:53:52 PM |
46 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:53:52 PM |
10 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:53:52 PM |
34 |
1296.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:53:54 PM |
41 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:53:54 PM |
5 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:54:01 PM |
10 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:54:18 PM |
22 |
1296.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:54:18 PM |
7 |
1296.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:54:21 PM |
1 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:54:47 PM |
87 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:55:24 PM |
26 |
1296.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:55:27 PM |
25 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:55:30 PM |
35 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:55:30 PM |
22 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:55:30 PM |
15 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:55:30 PM |
42 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:55:30 PM |
89 |
1297.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:55:31 PM |
17 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:55:31 PM |
46 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:55:31 PM |
22 |
1297.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:55:31 PM |
60 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:56:01 PM |
87 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:56:04 PM |
49 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:56:04 PM |
35 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:56:04 PM |
16 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:56:04 PM |
85 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:56:25 PM |
49 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:56:33 PM |
67 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:56:33 PM |
21 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:56:53 PM |
48 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:56:53 PM |
29 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:56:53 PM |
27 |
1296.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:56:53 PM |
14 |
1296.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:56:53 PM |
18 |
1296.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:56:53 PM |
5 |
1296.00 |
CEUX |
121
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:56:53 PM |
79 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:57:03 PM |
13 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:57:03 PM |
7 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:57:03 PM |
59 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:57:03 PM |
11 |
1296.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:57:17 PM |
27 |
1296.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:57:17 PM |
3 |
1296.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:57:17 PM |
88 |
1296.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:57:21 PM |
60 |
1295.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:57:51 PM |
5 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:57:51 PM |
31 |
1295.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:57:51 PM |
53 |
1295.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:58:15 PM |
35 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:15 PM |
28 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:15 PM |
46 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:15 PM |
5 |
1295.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:15 PM |
34 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:21 PM |
48 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:21 PM |
27 |
1294.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:58:42 PM |
85 |
1294.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:58:44 PM |
48 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:44 PM |
35 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:44 PM |
15 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:44 PM |
16 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:46 PM |
25 |
1294.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:58:54 PM |
35 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:54 PM |
17 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:54 PM |
14 |
1294.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:54 PM |
9 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:54 PM |
27 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:54 PM |
12 |
1294.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:54 PM |
24 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:58:54 PM |
32 |
1294.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:58:54 PM |
32 |
1293.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:58:54 PM |
31 |
1293.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:59:08 PM |
61 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:59:08 PM |
28 |
1293.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:59:20 PM |
87 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:59:20 PM |
31 |
1292.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
3:59:20 PM |
90 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:59:21 PM |
25 |
1292.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
3:59:41 PM |
42 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:59:46 PM |
36 |
1292.50 |
XCSE |
122
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
3:59:46 PM |
90 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:59:46 PM |
82 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:59:46 PM |
7 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
3:59:59 PM |
64 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
3:59:59 PM |
27 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:00:14 PM |
85 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:00:21 PM |
89 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:00:48 PM |
90 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:00:58 PM |
37 |
1292.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:01:11 PM |
31 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:01:11 PM |
80 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:01:11 PM |
4 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:01:12 PM |
71 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:01:12 PM |
14 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:01:18 PM |
20 |
1291.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:01:18 PM |
17 |
1291.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:01:18 PM |
84 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:01:19 PM |
84 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:01:28 PM |
85 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:01:45 PM |
77 |
1290.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:01:45 PM |
7 |
1290.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:02:00 PM |
87 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:02:00 PM |
85 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:02:00 PM |
88 |
1288.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:02:14 PM |
86 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:02:14 PM |
46 |
1288.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:02:24 PM |
72 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:02:24 PM |
52 |
1288.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:02:24 PM |
25 |
1288.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:02:57 PM |
27 |
1288.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:03:00 PM |
81 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:03:20 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:03:20 PM |
73 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:03:20 PM |
19 |
1290.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:03:20 PM |
16 |
1290.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:03:23 PM |
31 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:03:23 PM |
25 |
1289.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:03:24 PM |
88 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:03:24 PM |
28 |
1289.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:03:24 PM |
8 |
1289.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:03:26 PM |
86 |
1288.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:03:26 PM |
2 |
1288.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:03:53 PM |
87 |
1288.00 |
XCSE |
123
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:03:53 PM |
37 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:03:53 PM |
15 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:04:13 PM |
44 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:04:17 PM |
22 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:04:17 PM |
14 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:04:17 PM |
34 |
1288.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:04:22 PM |
88 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:04:22 PM |
36 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:04:34 PM |
87 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:04:34 PM |
2 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:04:34 PM |
26 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:04:35 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:05:01 PM |
87 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:05:13 PM |
27 |
1286.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:05:13 PM |
11 |
1286.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:05:22 PM |
44 |
1286.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:05:23 PM |
69 |
1285.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:05:23 PM |
19 |
1285.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:05:37 PM |
50 |
1285.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:05:37 PM |
39 |
1285.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:05:37 PM |
27 |
1285.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:06:29 PM |
35 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:06:29 PM |
29 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:06:29 PM |
46 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:06:30 PM |
85 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:06:31 PM |
100 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:06:46 PM |
36 |
1288.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:07:01 PM |
89 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:07:01 PM |
77 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:07:02 PM |
32 |
1288.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:07:31 PM |
89 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:07:31 PM |
33 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:08:20 PM |
46 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:08:20 PM |
29 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:08:20 PM |
52 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:08:20 PM |
32 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:08:20 PM |
36 |
1288.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:08:38 PM |
27 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:08:51 PM |
84 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:08:53 PM |
32 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:09:02 PM |
35 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:09:02 PM |
13 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:09:02 PM |
32 |
1288.50 |
CEUX |
124
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:09:03 PM |
35 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:09:03 PM |
28 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:09:03 PM |
46 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:09:03 PM |
40 |
1288.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:09:03 PM |
66 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:09:03 PM |
21 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:09:03 PM |
42 |
1288.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:09:15 PM |
35 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:09:15 PM |
15 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:09:15 PM |
46 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:09:33 PM |
49 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:09:33 PM |
35 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:09:33 PM |
16 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:09:50 PM |
50 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:09:50 PM |
86 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:09:50 PM |
87 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:09:50 PM |
2 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:09:50 PM |
3 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:09:50 PM |
5 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:09:50 PM |
15 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:09:50 PM |
10 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:09:50 PM |
2 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:09:50 PM |
7 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:09:50 PM |
2 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:09:50 PM |
24 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:09:50 PM |
7 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:09:50 PM |
3 |
1289.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:09:56 PM |
90 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:10:22 PM |
16 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:10:22 PM |
34 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:10:22 PM |
6 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:10:22 PM |
18 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:10:22 PM |
9 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:10:22 PM |
5 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:10:22 PM |
7 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:10:22 PM |
19 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:10:22 PM |
2 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:10:22 PM |
2 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:10:22 PM |
9 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:10:23 PM |
15 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:10:23 PM |
10 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:10:23 PM |
89 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:10:51 PM |
48 |
1292.00 |
XCSE |
125
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:10:51 PM |
15 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:10:51 PM |
62 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:11:04 PM |
14 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:11:07 PM |
2 |
1292.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:11:07 PM |
3 |
1292.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:11:26 PM |
64 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:11:26 PM |
26 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:11:26 PM |
4 |
1292.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:11:26 PM |
24 |
1292.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:11:26 PM |
24 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:11:26 PM |
8 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:11:26 PM |
2 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:11:26 PM |
25 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:11:26 PM |
3 |
1292.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:11:26 PM |
34 |
1292.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:11:51 PM |
14 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:11:51 PM |
16 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:11:52 PM |
18 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:11:52 PM |
14 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:11:52 PM |
18 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:11:52 PM |
14 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:12:11 PM |
85 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:12:11 PM |
70 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:12:11 PM |
28 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:12:11 PM |
16 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:12:11 PM |
27 |
1292.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:12:11 PM |
81 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:12:11 PM |
42 |
1293.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:12:12 PM |
64 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:12:12 PM |
20 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:12:30 PM |
89 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:12:30 PM |
76 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:12:49 PM |
59 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:12:49 PM |
42 |
1292.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:12:49 PM |
54 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:13:27 PM |
15 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:13:27 PM |
2 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:13:27 PM |
8 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:13:27 PM |
3 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:13:27 PM |
4 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:13:27 PM |
12 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:13:28 PM |
16 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:13:28 PM |
10 |
1293.00 |
CEUX |
126
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:13:28 PM |
20 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:13:28 PM |
10 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:13:28 PM |
10 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:13:28 PM |
10 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:13:28 PM |
6 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:13:28 PM |
3 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:13:43 PM |
17 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:13:43 PM |
14 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:13:43 PM |
20 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:13:43 PM |
35 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:13:43 PM |
28 |
1293.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:13:45 PM |
60 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:13:45 PM |
34 |
1293.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:14:07 PM |
65 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:14:12 PM |
9 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:14:12 PM |
75 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:14:19 PM |
57 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:14:24 PM |
6 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:14:24 PM |
20 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:14:24 PM |
20 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:14:24 PM |
9 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:14:24 PM |
33 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:14:34 PM |
3 |
1290.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:14:41 PM |
42 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:14:41 PM |
32 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:14:41 PM |
23 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:14:41 PM |
8 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:14:46 PM |
31 |
1290.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:14:54 PM |
91 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:14:54 PM |
37 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:15:24 PM |
79 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:15:34 PM |
28 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:15:51 PM |
2 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:15:51 PM |
3 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:15:51 PM |
7 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:15:51 PM |
8 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:15:51 PM |
65 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:15:51 PM |
10 |
1289.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:15:51 PM |
24 |
1289.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:15:51 PM |
5 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:15:51 PM |
10 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:15:51 PM |
40 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:15:51 PM |
10 |
1289.50 |
CEUX |
127
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:15:51 PM |
5 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:15:51 PM |
3 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:16:25 PM |
2 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:16:25 PM |
68 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:16:30 PM |
114 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:16:32 PM |
4 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:16:32 PM |
7 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:16:32 PM |
10 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:16:32 PM |
3 |
1291.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:16:32 PM |
5 |
1291.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:16:32 PM |
20 |
1291.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:16:43 PM |
1 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:16:49 PM |
15 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:16:49 PM |
57 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:16:49 PM |
18 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:16:49 PM |
15 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:16:49 PM |
9 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:17:15 PM |
85 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:17:15 PM |
4 |
1291.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:17:15 PM |
35 |
1291.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:17:15 PM |
67 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:17:15 PM |
4 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:17:30 PM |
84 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:17:30 PM |
38 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:17:31 PM |
84 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:17:31 PM |
47 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:17:34 PM |
91 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:17:34 PM |
37 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:17:35 PM |
85 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:17:42 PM |
26 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:17:49 PM |
38 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:17:49 PM |
4 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:17:57 PM |
26 |
1285.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:17:57 PM |
25 |
1285.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:17:57 PM |
25 |
1285.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:18:00 PM |
43 |
1285.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:18:06 PM |
28 |
1285.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:18:43 PM |
47 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:18:49 PM |
39 |
1286.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:18:57 PM |
1 |
1286.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:18:57 PM |
24 |
1286.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:19:03 PM |
3 |
1285.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:19:03 PM |
27 |
1285.50 |
CEUX |
128
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:19:21 PM |
31 |
1284.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:19:21 PM |
26 |
1284.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:19:33 PM |
15 |
1284.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:19:33 PM |
49 |
1284.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:19:34 PM |
29 |
1283.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:19:51 PM |
28 |
1284.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:19:51 PM |
5 |
1284.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:19:51 PM |
57 |
1284.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:20:02 PM |
17 |
1284.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:02 PM |
10 |
1284.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:02 PM |
6 |
1284.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:02 PM |
15 |
1284.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:16 PM |
90 |
1284.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:20:16 PM |
31 |
1284.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:20:18 PM |
41 |
1283.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:18 PM |
8 |
1283.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:18 PM |
3 |
1283.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:18 PM |
8 |
1283.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:18 PM |
3 |
1283.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:18 PM |
3 |
1283.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:18 PM |
3 |
1283.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:18 PM |
2 |
1283.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:18 PM |
2 |
1283.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:18 PM |
7 |
1283.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:18 PM |
3 |
1283.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:18 PM |
45 |
1284.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:20:34 PM |
24 |
1284.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:20:34 PM |
15 |
1284.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:20:34 PM |
52 |
1284.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:20:34 PM |
26 |
1284.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:20:51 PM |
36 |
1284.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:21:10 PM |
30 |
1285.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:21:13 PM |
48 |
1286.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:21:13 PM |
35 |
1286.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:21:13 PM |
17 |
1286.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:21:25 PM |
19 |
1285.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:21:25 PM |
6 |
1285.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:21:54 PM |
88 |
1286.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:21:54 PM |
10 |
1286.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:21:54 PM |
20 |
1286.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:21:54 PM |
13 |
1286.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:21:54 PM |
5 |
1286.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:21:54 PM |
20 |
1286.00 |
AQEU |
129
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:21:54 PM |
6 |
1286.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:21:54 PM |
5 |
1286.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:21:54 PM |
2 |
1286.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:22:03 PM |
3 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:22:03 PM |
6 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:22:03 PM |
20 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:22:03 PM |
5 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:22:03 PM |
17 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:22:03 PM |
5 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:22:13 PM |
3 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:22:23 PM |
2 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:22:38 PM |
62 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:22:38 PM |
29 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:22:39 PM |
20 |
1286.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:22:48 PM |
1 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:22:53 PM |
5 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:22:53 PM |
24 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:22:54 PM |
114 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:23:14 PM |
34 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:23:14 PM |
13 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:23:14 PM |
57 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:23:49 PM |
62 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:23:49 PM |
89 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:24:02 PM |
4 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:24:02 PM |
8 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:24:02 PM |
2 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:24:02 PM |
11 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:24:02 PM |
3 |
1286.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:24:02 PM |
22 |
1286.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:24:02 PM |
2 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:24:02 PM |
68 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:24:02 PM |
16 |
1287.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:24:02 PM |
20 |
1287.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:24:41 PM |
21 |
1286.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:24:41 PM |
91 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:24:41 PM |
32 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:25:32 PM |
57 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:25:32 PM |
29 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:25:32 PM |
18 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:25:32 PM |
10 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:25:32 PM |
59 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:25:32 PM |
11 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:25:38 PM |
45 |
1289.00 |
XCSE |
130
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:25:40 PM |
5 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:25:57 PM |
30 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:25:57 PM |
57 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:25:57 PM |
18 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:25:57 PM |
9 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:25:57 PM |
2 |
1288.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:25:57 PM |
16 |
1288.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:25:57 PM |
2 |
1288.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:25:57 PM |
20 |
1288.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:25:57 PM |
36 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:25:57 PM |
7 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:25:57 PM |
64 |
1288.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:25:58 PM |
47 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:25:58 PM |
15 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:25:58 PM |
52 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:26:03 PM |
10 |
1288.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:26:08 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:26:08 PM |
64 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:26:08 PM |
24 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:26:08 PM |
3 |
1288.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:26:17 PM |
28 |
1287.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:26:17 PM |
59 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:26:17 PM |
27 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:26:17 PM |
39 |
1287.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:27:06 PM |
114 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:27:06 PM |
59 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:27:09 PM |
30 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:27:09 PM |
2 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:27:09 PM |
32 |
1288.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:27:09 PM |
5 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:27:28 PM |
38 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:27:29 PM |
26 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:27:41 PM |
3 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:27:58 PM |
90 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:28:00 PM |
36 |
1289.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:28:19 PM |
81 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:28:52 PM |
86 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:52 PM |
10 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:52 PM |
10 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:52 PM |
15 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:52 PM |
13 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:52 PM |
17 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:52 PM |
15 |
1289.50 |
XCSE |
131
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:28:52 PM |
10 |
1289.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:28:52 PM |
34 |
1289.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:28:52 PM |
1 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:28:58 PM |
89 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:58 PM |
18 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:58 PM |
18 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:58 PM |
4 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:58 PM |
2 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:58 PM |
5 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:58 PM |
3 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:58 PM |
3 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:58 PM |
3 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:58 PM |
10 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:58 PM |
35 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:28:58 PM |
13 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:29:21 PM |
45 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:29:21 PM |
36 |
1288.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:29:21 PM |
7 |
1288.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:29:21 PM |
6 |
1288.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:29:37 PM |
46 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:29:37 PM |
15 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:29:37 PM |
18 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:29:37 PM |
57 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:29:37 PM |
17 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:29:37 PM |
7 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:29:37 PM |
4 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:29:37 PM |
8 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:29:37 PM |
7 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:29:37 PM |
5 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:29:37 PM |
3 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:29:37 PM |
23 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:29:37 PM |
58 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:30:02 PM |
45 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:30:02 PM |
31 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:30:03 PM |
55 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:30:15 PM |
8 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:30:24 PM |
14 |
1287.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:30:28 PM |
47 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:30:28 PM |
7 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:30:29 PM |
8 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:30:33 PM |
82 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:30:33 PM |
5 |
1286.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:30:33 PM |
70 |
1286.50 |
CEUX |
132
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:30:33 PM |
21 |
1287.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:31:00 PM |
32 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:31:12 PM |
57 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:31:12 PM |
15 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:31:12 PM |
15 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:31:12 PM |
18 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:31:12 PM |
9 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:31:12 PM |
15 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:31:12 PM |
10 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:31:12 PM |
15 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:31:12 PM |
38 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:31:21 PM |
13 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:31:51 PM |
91 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:31:51 PM |
2 |
1286.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:31:51 PM |
43 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:32:02 PM |
13 |
1287.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:32:02 PM |
20 |
1287.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:32:02 PM |
2 |
1287.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:32:11 PM |
32 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:32:12 PM |
35 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:32:18 PM |
35 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:32:18 PM |
90 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:32:36 PM |
3 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:32:36 PM |
4 |
1287.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:32:36 PM |
36 |
1288.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:32:36 PM |
8 |
1288.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:32:36 PM |
14 |
1288.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:32:36 PM |
11 |
1288.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:32:38 PM |
48 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:32:38 PM |
17 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:32:38 PM |
14 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:32:38 PM |
17 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:32:38 PM |
18 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:32:43 PM |
48 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:32:43 PM |
1 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:32:43 PM |
36 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:32:43 PM |
2 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:33:28 PM |
87 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
4 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
5 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
5 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
6 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
3 |
1287.50 |
XCSE |
133
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
2 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
15 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
3 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
16 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
22 |
1287.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
4 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
36 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
8 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
8 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
26 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
1 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
32 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
10 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
22 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:08 PM |
25 |
1288.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:34:20 PM |
50 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:20 PM |
10 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:20 PM |
5 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:20 PM |
10 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:20 PM |
5 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:20 PM |
5 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:20 PM |
5 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:20 PM |
15 |
1288.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:34:20 PM |
10 |
1288.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:34:21 PM |
15 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:21 PM |
15 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:21 PM |
57 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:21 PM |
27 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:21 PM |
18 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:21 PM |
24 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:21 PM |
15 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:21 PM |
15 |
1287.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:34:47 PM |
16 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:47 PM |
26 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:47 PM |
18 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:47 PM |
34 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:47 PM |
20 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:47 PM |
32 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:47 PM |
59 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:48 PM |
47 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:48 PM |
16 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:48 PM |
17 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:48 PM |
15 |
1288.00 |
XCSE |
134
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:34:48 PM |
14 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:48 PM |
32 |
1287.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:34:49 PM |
3 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:49 PM |
5 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:49 PM |
11 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:49 PM |
14 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:49 PM |
3 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:49 PM |
4 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:49 PM |
4 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:49 PM |
6 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:49 PM |
15 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:49 PM |
5 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:49 PM |
5 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:55 PM |
32 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:34:55 PM |
3 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:55 PM |
20 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:34:55 PM |
6 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:35:03 PM |
34 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:35:03 PM |
34 |
1288.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:35:11 PM |
79 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:35:11 PM |
2 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:35:11 PM |
31 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:35:40 PM |
31 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:35:41 PM |
26 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:35:41 PM |
14 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:36:03 PM |
4 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:36:03 PM |
57 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:36:03 PM |
2 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:36:03 PM |
4 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:36:03 PM |
3 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:36:03 PM |
22 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:36:03 PM |
25 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:36:03 PM |
8 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:36:14 PM |
74 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:36:14 PM |
4 |
1288.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:36:14 PM |
21 |
1288.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:36:14 PM |
7 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:36:14 PM |
27 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:36:14 PM |
2 |
1288.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:36:14 PM |
3 |
1288.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:36:15 PM |
9 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:36:15 PM |
9 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:36:15 PM |
7 |
1288.00 |
XCSE |
135
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:36:15 PM |
21 |
1288.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:36:17 PM |
65 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:36:17 PM |
7 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:36:17 PM |
10 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:36:17 PM |
12 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:36:17 PM |
3 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:36:17 PM |
7 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:36:17 PM |
12 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:36:36 PM |
39 |
1288.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:36:37 PM |
37 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:36:43 PM |
45 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:36:49 PM |
47 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:36:49 PM |
28 |
1288.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:36:50 PM |
18 |
1287.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:36:50 PM |
28 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:37:11 PM |
24 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:37:11 PM |
28 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:37:11 PM |
7 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:37:21 PM |
74 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:37:21 PM |
9 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:37:25 PM |
3 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:37:25 PM |
2 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:37:25 PM |
11 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:37:25 PM |
12 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:37:35 PM |
45 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:37:35 PM |
10 |
1286.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:37:35 PM |
26 |
1286.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:37:39 PM |
78 |
1286.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:38:10 PM |
12 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:38:10 PM |
2 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:38:10 PM |
3 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:38:10 PM |
3 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:38:10 PM |
8 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:38:10 PM |
3 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:38:10 PM |
14 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:38:10 PM |
25 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:38:10 PM |
9 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:38:10 PM |
8 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:38:10 PM |
4 |
1286.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:38:10 PM |
9 |
1286.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:38:10 PM |
4 |
1286.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:38:10 PM |
4 |
1286.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:38:10 PM |
7 |
1286.00 |
TQEX |
136
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:38:31 PM |
15 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:38:31 PM |
36 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:38:31 PM |
8 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:38:31 PM |
8 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:39:01 PM |
1 |
1286.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:39:01 PM |
69 |
1286.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:39:01 PM |
36 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:39:01 PM |
3 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:39:01 PM |
32 |
1286.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:39:34 PM |
8 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:34 PM |
35 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:34 PM |
16 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:34 PM |
15 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:34 PM |
48 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:34 PM |
15 |
1286.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:39:34 PM |
8 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:39:34 PM |
8 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:39:35 PM |
15 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:35 PM |
19 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:35 PM |
17 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:36 PM |
17 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:36 PM |
16 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:36 PM |
7 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:39:36 PM |
7 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:39:41 PM |
15 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:41 PM |
21 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:41 PM |
57 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:41 PM |
15 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:59 PM |
4 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:59 PM |
2 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:59 PM |
5 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:59 PM |
62 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:39:59 PM |
2 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:40:03 PM |
29 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:40:03 PM |
19 |
1287.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:40:03 PM |
7 |
1287.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:40:03 PM |
3 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:40:03 PM |
76 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:40:03 PM |
5 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:40:03 PM |
20 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:40:03 PM |
4 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:40:03 PM |
18 |
1287.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:40:03 PM |
3 |
1287.50 |
AQEU |
137
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:40:03 PM |
3 |
1287.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:40:03 PM |
2 |
1287.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:40:12 PM |
15 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:40:12 PM |
21 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:40:12 PM |
57 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:40:12 PM |
15 |
1287.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:40:27 PM |
15 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:40:27 PM |
15 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:40:27 PM |
25 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:40:27 PM |
57 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:40:27 PM |
2 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:40:27 PM |
78 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:40:27 PM |
11 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:40:27 PM |
10 |
1286.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:40:27 PM |
36 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:40:27 PM |
5 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:40:27 PM |
15 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:40:27 PM |
3 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:40:27 PM |
10 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:40:27 PM |
2 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:40:27 PM |
45 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:41:02 PM |
85 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:41:15 PM |
36 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:41:15 PM |
8 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:41:15 PM |
21 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:41:31 PM |
35 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:41:43 PM |
7 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:41:43 PM |
6 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:41:43 PM |
11 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:41:43 PM |
40 |
1287.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:42:01 PM |
27 |
1287.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:42:01 PM |
7 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:42:01 PM |
7 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:42:01 PM |
17 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:42:01 PM |
35 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:42:01 PM |
11 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:42:02 PM |
8 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:42:02 PM |
7 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:42:02 PM |
13 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:42:07 PM |
6 |
1286.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:42:07 PM |
10 |
1287.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:42:07 PM |
10 |
1287.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:42:07 PM |
10 |
1287.00 |
AQEU |
138
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:42:07 PM |
4 |
1287.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:42:16 PM |
8 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:42:16 PM |
25 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:42:16 PM |
25 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:42:21 PM |
66 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:42:29 PM |
10 |
1287.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:42:29 PM |
6 |
1287.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:42:29 PM |
2 |
1287.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:42:29 PM |
3 |
1287.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:42:29 PM |
6 |
1287.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:42:29 PM |
5 |
1287.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:42:29 PM |
1 |
1287.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:42:46 PM |
57 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:42:46 PM |
19 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:42:46 PM |
27 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:42:46 PM |
19 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:42:46 PM |
18 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:42:46 PM |
14 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:42:47 PM |
114 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:42:47 PM |
13 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:43:01 PM |
23 |
1286.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:43:01 PM |
51 |
1287.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:43:31 PM |
74 |
1287.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:43:31 PM |
50 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:43:31 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:43:31 PM |
26 |
1287.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:43:37 PM |
2 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:43:37 PM |
5 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:43:37 PM |
80 |
1288.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:43:37 PM |
8 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:43:37 PM |
7 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:43:37 PM |
5 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:43:37 PM |
5 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:43:37 PM |
2 |
1288.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:43:37 PM |
2 |
1288.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:43:37 PM |
10 |
1288.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:43:37 PM |
13 |
1288.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:44:07 PM |
24 |
1289.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:44:07 PM |
5 |
1289.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:44:08 PM |
87 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:44:08 PM |
2 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:44:08 PM |
15 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:44:08 PM |
19 |
1289.00 |
CEUX |
139
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:44:08 PM |
7 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:44:08 PM |
21 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:44:41 PM |
36 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:44:41 PM |
25 |
1289.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:44:45 PM |
35 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:44:45 PM |
22 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:44:45 PM |
57 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:44:45 PM |
32 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:44:46 PM |
18 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:44:46 PM |
19 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:44:46 PM |
35 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:44:46 PM |
19 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:44:46 PM |
35 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:44:46 PM |
15 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:44:46 PM |
18 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:44:46 PM |
16 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:44:46 PM |
30 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:44:53 PM |
45 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:44:53 PM |
12 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:44:53 PM |
2 |
1289.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:44:53 PM |
8 |
1289.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:44:53 PM |
15 |
1289.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:44:53 PM |
12 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:44:53 PM |
13 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:44:53 PM |
6 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:44:53 PM |
28 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:44:53 PM |
3 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:44:53 PM |
11 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:44:53 PM |
3 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:44:53 PM |
7 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:45:09 PM |
10 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:45:09 PM |
32 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:45:10 PM |
35 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:14 PM |
25 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:45:15 PM |
49 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:15 PM |
35 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:15 PM |
30 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:22 PM |
57 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:22 PM |
19 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:22 PM |
9 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:22 PM |
2 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:22 PM |
2 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:45:22 PM |
5 |
1289.50 |
CEUX |
140
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:45:22 PM |
7 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:45:26 PM |
35 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:26 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:26 PM |
35 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:26 PM |
29 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:26 PM |
3 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:45:26 PM |
17 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:45:29 PM |
2 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:54 PM |
32 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:45:56 PM |
19 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:56 PM |
23 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:56 PM |
57 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:56 PM |
15 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:59 PM |
24 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:59 PM |
57 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:45:59 PM |
2 |
1290.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:46:00 PM |
57 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:00 PM |
15 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:03 PM |
42 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:46:03 PM |
9 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:46:07 PM |
5 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:07 PM |
3 |
1290.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:46:07 PM |
36 |
1290.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:46:07 PM |
42 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:46:07 PM |
30 |
1290.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:46:13 PM |
71 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:13 PM |
32 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:46:13 PM |
28 |
1291.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:46:14 PM |
2 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:14 PM |
2 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:14 PM |
2 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:14 PM |
3 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:15 PM |
29 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:46:17 PM |
87 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:17 PM |
1 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:17 PM |
49 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:17 PM |
17 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:17 PM |
18 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:17 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:17 PM |
26 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:46:18 PM |
5 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:18 PM |
11 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:18 PM |
4 |
1289.00 |
XCSE |
141
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:46:18 PM |
11 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:18 PM |
25 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:46:42 PM |
35 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:50 PM |
40 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:46:50 PM |
39 |
1290.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:47:00 PM |
32 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:47:00 PM |
11 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:47:00 PM |
48 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:47:01 PM |
18 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:47:01 PM |
7 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:47:11 PM |
28 |
1290.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:47:12 PM |
42 |
1290.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:47:29 PM |
30 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:47:30 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:07 PM |
35 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:07 PM |
28 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:07 PM |
15 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:07 PM |
15 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:07 PM |
21 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:07 PM |
38 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:48:07 PM |
29 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:48:16 PM |
2 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:21 PM |
88 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:21 PM |
61 |
1290.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:48:21 PM |
10 |
1290.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:48:27 PM |
36 |
1290.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:48:27 PM |
7 |
1290.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:48:27 PM |
7 |
1290.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:48:27 PM |
29 |
1290.00 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:48:28 PM |
19 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:28 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:28 PM |
19 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:28 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:41 PM |
15 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:41 PM |
19 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:41 PM |
88 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:49 PM |
64 |
1290.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:48:52 PM |
25 |
1290.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:48:53 PM |
57 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:53 PM |
19 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:48:53 PM |
19 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:49:01 PM |
22 |
1290.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:50:08 PM |
36 |
1289.50 |
CEUX |
142
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:50:08 PM |
31 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:50:17 PM |
36 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:50:17 PM |
8 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:50:17 PM |
8 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:50:18 PM |
20 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:50:31 PM |
36 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:50:37 PM |
13 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:50:38 PM |
16 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:50:40 PM |
7 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:50:44 PM |
15 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:50:46 PM |
10 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:50:46 PM |
17 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:50:46 PM |
19 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:50:46 PM |
15 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:50:46 PM |
34 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:50:46 PM |
8 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:50:46 PM |
8 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:50:46 PM |
22 |
1289.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:50:48 PM |
15 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:50:48 PM |
17 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:50:48 PM |
36 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:50:48 PM |
46 |
1289.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:50:48 PM |
42 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:50:48 PM |
36 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:50:48 PM |
21 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:50:48 PM |
26 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:50:48 PM |
99 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:50:49 PM |
1 |
1288.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:50:49 PM |
30 |
1288.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:50:49 PM |
25 |
1288.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:50:49 PM |
4 |
1288.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:50:49 PM |
4 |
1288.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:50:50 PM |
6 |
1288.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:51:01 PM |
26 |
1289.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:51:01 PM |
38 |
1289.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:51:03 PM |
11 |
1289.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:51:07 PM |
17 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:51:07 PM |
18 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:51:08 PM |
19 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:51:08 PM |
57 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:51:08 PM |
19 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:51:08 PM |
19 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:51:09 PM |
27 |
1290.00 |
CEUX |
143
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:51:12 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:51:13 PM |
19 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:51:13 PM |
18 |
1290.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:51:13 PM |
16 |
1290.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:51:19 PM |
32 |
1290.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:51:20 PM |
46 |
1289.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:51:24 PM |
31 |
1290.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:51:35 PM |
85 |
1290.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:51:35 PM |
36 |
1290.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:51:40 PM |
20 |
1290.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:51:40 PM |
13 |
1290.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:51:47 PM |
7 |
1290.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:51:49 PM |
5 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:51:53 PM |
18 |
1291.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:52:01 PM |
18 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:52:02 PM |
5 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:02 PM |
5 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:02 PM |
15 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:02 PM |
2 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:02 PM |
12 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:52:07 PM |
3 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:28 PM |
9 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:52:28 PM |
38 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:52:28 PM |
6 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:52:41 PM |
36 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:52:42 PM |
36 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:52:45 PM |
17 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:45 PM |
19 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:45 PM |
15 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:45 PM |
57 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:45 PM |
6 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:45 PM |
36 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:52:46 PM |
57 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:46 PM |
13 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:46 PM |
16 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:46 PM |
19 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:46 PM |
17 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:46 PM |
13 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:46 PM |
16 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:46 PM |
57 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:46 PM |
17 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:46 PM |
21 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:46 PM |
19 |
1292.00 |
XCSE |
144
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:52:46 PM |
57 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:47 PM |
27 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:47 PM |
57 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:47 PM |
18 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:47 PM |
13 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:47 PM |
17 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:47 PM |
57 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:48 PM |
17 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:48 PM |
18 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:48 PM |
57 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:48 PM |
17 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:48 PM |
5 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:49 PM |
16 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:49 PM |
16 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:49 PM |
57 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:49 PM |
18 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:49 PM |
12 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:52:49 PM |
40 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:52:53 PM |
36 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:52:53 PM |
11 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:52:56 PM |
57 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:56 PM |
10 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:56 PM |
19 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:56 PM |
55 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:52:56 PM |
33 |
1291.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:52:56 PM |
13 |
1291.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:52:59 PM |
33 |
1291.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:53:02 PM |
6 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:53:03 PM |
3 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:53:03 PM |
5 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:53:03 PM |
12 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:53:06 PM |
46 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:53:21 PM |
18 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:53:21 PM |
28 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:53:26 PM |
34 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:53:26 PM |
57 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:53:26 PM |
13 |
1293.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:53:26 PM |
8 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:53:26 PM |
7 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:53:41 PM |
80 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:01 PM |
5 |
1292.00 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:01 PM |
27 |
1292.00 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:54:01 PM |
6 |
1291.50 |
TQEX |
145
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:54:01 PM |
2 |
1291.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:54:01 PM |
4 |
1291.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:54:01 PM |
2 |
1291.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:54:01 PM |
9 |
1291.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:54:01 PM |
2 |
1291.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:54:01 PM |
25 |
1292.00 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:01 PM |
7 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:01 PM |
3 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:01 PM |
2 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:01 PM |
14 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:01 PM |
6 |
1291.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:54:01 PM |
12 |
1291.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:54:07 PM |
1 |
1291.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
29 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
19 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
17 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
35 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
8 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
8 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
8 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
8 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
28 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
12 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
5 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
21 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
7 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
8 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
7 |
1291.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:12 PM |
17 |
1291.50 |
AQEU |
GENMAB A/S |
15-Apr-2025 |
4:54:13 PM |
29 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:13 PM |
19 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:13 PM |
16 |
1291.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:18 PM |
18 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:18 PM |
18 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:18 PM |
35 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:18 PM |
16 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:18 PM |
27 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:18 PM |
30 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:18 PM |
16 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:18 PM |
14 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:18 PM |
10 |
1292.50 |
XCSE |
GENMAB A/S |
15-Apr-2025 |
4:54:31 PM |
26 |
1291.50 |
TQEX |
GENMAB A/S |
15-Apr-2025 |
4:54:49 PM |
33 |
1292.50 |
XCSE |
146
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
15-Apr-2025 |
4:54:49 PM |
32 |
1292.50 |
CEUX |
GENMAB A/S |
15-Apr-2025 |
4:54:50 PM |
37 |
1292.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
9:35:44 AM |
81 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:35:44 AM |
32 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:35:44 AM |
58 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:39:30 AM |
39 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:39:30 AM |
88 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
9:39:30 AM |
29 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:39:30 AM |
21 |
1290.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
9:39:30 AM |
65 |
1290.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
9:39:30 AM |
82 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
9:42:18 AM |
15 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:42:18 AM |
37 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:42:18 AM |
75 |
1289.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
9:43:05 AM |
16 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:43:05 AM |
10 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:43:05 AM |
48 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:43:05 AM |
28 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
9:43:09 AM |
20 |
1289.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
9:43:09 AM |
16 |
1289.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
9:43:13 AM |
61 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:44:29 AM |
11 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
9:44:32 AM |
39 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:44:32 AM |
20 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
9:45:04 AM |
20 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:45:14 AM |
43 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:46:28 AM |
24 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:46:33 AM |
19 |
1289.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
9:46:33 AM |
9 |
1289.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
9:46:33 AM |
12 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:49:04 AM |
38 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:49:13 AM |
37 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:49:13 AM |
27 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:49:13 AM |
4 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:49:25 AM |
26 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:49:43 AM |
33 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:49:43 AM |
54 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:50:07 AM |
64 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:50:24 AM |
38 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:50:28 AM |
27 |
1285.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
9:51:02 AM |
39 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:51:25 AM |
21 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:51:59 AM |
67 |
1284.50 |
CEUX |
147
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
9:52:00 AM |
29 |
1284.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
9:53:41 AM |
45 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:56:20 AM |
56 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:56:20 AM |
46 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:56:29 AM |
33 |
1283.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
9:56:30 AM |
23 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:56:44 AM |
8 |
1283.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
9:56:53 AM |
88 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:56:53 AM |
21 |
1283.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
9:57:05 AM |
67 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:58:25 AM |
1 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:58:25 AM |
1 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:58:25 AM |
47 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
9:58:25 AM |
28 |
1282.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
9:58:29 AM |
29 |
1282.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
9:58:29 AM |
32 |
1282.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
9:58:29 AM |
79 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:00:08 AM |
92 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:00:19 AM |
35 |
1281.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:00:19 AM |
15 |
1281.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:00:19 AM |
33 |
1281.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:01:26 AM |
91 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:01:26 AM |
15 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:01:26 AM |
13 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:01:28 AM |
12 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:01:30 AM |
61 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:02:26 AM |
31 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:03:23 AM |
36 |
1283.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:03:23 AM |
49 |
1283.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:03:32 AM |
38 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:03:32 AM |
21 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:03:32 AM |
35 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:03:59 AM |
90 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:03:59 AM |
7 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:03:59 AM |
25 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:03:59 AM |
41 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:03:59 AM |
86 |
1284.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:03:59 AM |
25 |
1284.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:03:59 AM |
32 |
1284.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:03:59 AM |
36 |
1284.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:03:59 AM |
5 |
1284.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:04:00 AM |
23 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:04:35 AM |
25 |
1284.00 |
XCSE |
148
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
10:04:48 AM |
50 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:05:00 AM |
35 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:05:00 AM |
28 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:05:00 AM |
38 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:05:00 AM |
16 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:05:00 AM |
14 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:05:00 AM |
38 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:05:00 AM |
25 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:05:36 AM |
4 |
1283.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:05:50 AM |
90 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:05:50 AM |
38 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:05:50 AM |
15 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:05:50 AM |
37 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:05:50 AM |
88 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:05:50 AM |
42 |
1283.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:05:50 AM |
88 |
1283.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:05:50 AM |
36 |
1283.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:05:50 AM |
76 |
1282.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:05:50 AM |
23 |
1283.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:09:34 AM |
26 |
1282.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:09:34 AM |
36 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:09:34 AM |
10 |
1282.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:09:34 AM |
21 |
1282.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:09:37 AM |
5 |
1282.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:09:43 AM |
9 |
1282.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:11:21 AM |
3 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:11:21 AM |
29 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:11:21 AM |
19 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:11:22 AM |
20 |
1282.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:12:15 AM |
90 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:14:29 AM |
45 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:14:29 AM |
10 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:14:29 AM |
37 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:14:29 AM |
22 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:14:29 AM |
68 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:14:29 AM |
31 |
1281.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:14:29 AM |
86 |
1280.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:14:29 AM |
28 |
1281.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:14:30 AM |
43 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:14:30 AM |
45 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:14:30 AM |
29 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:14:30 AM |
45 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:14:30 AM |
8 |
1280.00 |
XCSE |
149
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
10:14:30 AM |
27 |
1279.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:14:30 AM |
36 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:14:30 AM |
7 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:14:30 AM |
7 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:14:30 AM |
51 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:14:30 AM |
88 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:14:30 AM |
67 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:14:30 AM |
29 |
1280.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:14:53 AM |
90 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:14:55 AM |
92 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:14:55 AM |
5 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:16:37 AM |
45 |
1281.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:16:37 AM |
19 |
1281.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:16:37 AM |
37 |
1281.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:16:37 AM |
44 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:16:37 AM |
30 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:16:37 AM |
18 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:17:00 AM |
26 |
1280.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:17:00 AM |
25 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:17:00 AM |
36 |
1280.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:17:00 AM |
7 |
1280.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:17:00 AM |
6 |
1280.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:17:00 AM |
25 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:17:41 AM |
89 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:17:41 AM |
90 |
1278.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:17:41 AM |
35 |
1278.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:17:41 AM |
45 |
1278.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:17:41 AM |
26 |
1279.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:17:41 AM |
27 |
1278.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:17:41 AM |
87 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:17:41 AM |
36 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:17:41 AM |
34 |
1279.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:17:41 AM |
27 |
1278.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:18:26 AM |
90 |
1278.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:18:26 AM |
93 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:18:26 AM |
26 |
1278.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:18:27 AM |
47 |
1278.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:18:27 AM |
18 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:18:27 AM |
8 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:18:29 AM |
100 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:18:29 AM |
100 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:18:30 AM |
100 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:18:30 AM |
47 |
1278.50 |
XCSE |
150
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
10:20:25 AM |
12 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:20:25 AM |
45 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:20:25 AM |
11 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:20:25 AM |
12 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:20:25 AM |
37 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:20:25 AM |
89 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:20:25 AM |
33 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:20:25 AM |
56 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:20:25 AM |
30 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:20:25 AM |
8 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:20:26 AM |
63 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:20:26 AM |
11 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:20:26 AM |
43 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:20:26 AM |
2 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:20:26 AM |
11 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:20:26 AM |
11 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:20:26 AM |
13 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:20:26 AM |
80 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:20:33 AM |
3 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:21:57 AM |
30 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:21:57 AM |
87 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:21:58 AM |
13 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:21:58 AM |
100 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:21:58 AM |
21 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:21:58 AM |
31 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:21:58 AM |
36 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:22:47 AM |
87 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:22:47 AM |
51 |
1279.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:22:48 AM |
32 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:24:16 AM |
14 |
1281.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:24:17 AM |
36 |
1281.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:24:21 AM |
32 |
1281.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:25:15 AM |
91 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:25:15 AM |
45 |
1281.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:25:15 AM |
19 |
1281.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:25:15 AM |
88 |
1280.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:27:30 AM |
93 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:27:31 AM |
18 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:27:32 AM |
37 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:27:32 AM |
54 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:27:34 AM |
35 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:27:34 AM |
23 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:27:34 AM |
25 |
1284.50 |
CEUX |
151
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
10:27:35 AM |
66 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:27:35 AM |
2 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:27:39 AM |
35 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:27:39 AM |
23 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:00 AM |
86 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:00 AM |
35 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:00 AM |
45 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:00 AM |
24 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:00 AM |
13 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:01 AM |
35 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:01 AM |
45 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:01 AM |
18 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:01 AM |
19 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:01 AM |
91 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:01 AM |
45 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:01 AM |
56 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:01 AM |
15 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:01 AM |
1 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:01 AM |
91 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:28:01 AM |
50 |
1288.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:28:02 AM |
45 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:02 AM |
24 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:02 AM |
13 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:08 AM |
91 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:10 AM |
92 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:28:14 AM |
90 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:17 AM |
30 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:28:18 AM |
86 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:18 AM |
42 |
1286.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:28:18 AM |
24 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:28:18 AM |
36 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:28:54 AM |
14 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:55 AM |
36 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:28:56 AM |
37 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:29:04 AM |
87 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:29:11 AM |
67 |
1291.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:29:18 AM |
75 |
1292.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:29:18 AM |
44 |
1292.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:29:20 AM |
31 |
1292.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:29:23 AM |
8 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:29:23 AM |
25 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:29:23 AM |
27 |
1291.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:29:23 AM |
21 |
1291.50 |
CEUX |
152
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
10:29:23 AM |
25 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:29:23 AM |
44 |
1291.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:29:24 AM |
62 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:29:30 AM |
87 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:29:30 AM |
42 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:29:30 AM |
47 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:29:53 AM |
26 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:30:20 AM |
29 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:30:55 AM |
34 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:31:06 AM |
30 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:31:06 AM |
29 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:31:25 AM |
26 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:31:25 AM |
28 |
1286.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:31:28 AM |
30 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:31:29 AM |
19 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:31:29 AM |
11 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:33:56 AM |
28 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:33:56 AM |
21 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:33:59 AM |
7 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:34:23 AM |
88 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:34:40 AM |
30 |
1283.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:34:40 AM |
35 |
1283.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:35:34 AM |
31 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:35:34 AM |
22 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:35:34 AM |
6 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:35:43 AM |
26 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:35:49 AM |
3 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:36:57 AM |
32 |
1281.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:37:31 AM |
1 |
1281.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:37:31 AM |
56 |
1281.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:38:00 AM |
52 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:38:27 AM |
41 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:41:18 AM |
11 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:42:13 AM |
86 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:42:13 AM |
26 |
1285.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:44:00 AM |
27 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:44:00 AM |
91 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:44:01 AM |
12 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:44:01 AM |
14 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:44:07 AM |
35 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:44:07 AM |
17 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:44:07 AM |
39 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:45:05 AM |
39 |
1285.00 |
XCSE |
153
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
10:45:05 AM |
28 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:45:05 AM |
37 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:47:40 AM |
91 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:47:40 AM |
27 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:47:40 AM |
35 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:47:40 AM |
39 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:47:40 AM |
16 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:47:40 AM |
74 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:47:40 AM |
37 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:47:40 AM |
5 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:47:40 AM |
1 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:47:40 AM |
27 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:47:40 AM |
87 |
1284.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:47:40 AM |
4 |
1284.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:47:40 AM |
28 |
1284.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:47:56 AM |
70 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:51:09 AM |
26 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:51:09 AM |
39 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:51:09 AM |
14 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:51:12 AM |
14 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:51:12 AM |
11 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:51:15 AM |
37 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:51:15 AM |
39 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:51:25 AM |
39 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:51:25 AM |
37 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:51:46 AM |
13 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:51:46 AM |
2 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:51:56 AM |
13 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:52:06 AM |
39 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:52:06 AM |
21 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:52:28 AM |
38 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:52:28 AM |
36 |
1284.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:52:28 AM |
29 |
1284.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:52:39 AM |
91 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:52:39 AM |
36 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:53:51 AM |
15 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:53:51 AM |
36 |
1284.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:53:53 AM |
92 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:53:53 AM |
26 |
1283.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:53:53 AM |
93 |
1283.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:53:53 AM |
26 |
1283.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:54:25 AM |
26 |
1282.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:54:25 AM |
78 |
1281.50 |
CEUX |
154
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
10:57:15 AM |
9 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:57:50 AM |
89 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:57:50 AM |
39 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:57:50 AM |
14 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:57:50 AM |
13 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:57:50 AM |
14 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
10:58:08 AM |
4 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:59:02 AM |
32 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
10:59:10 AM |
26 |
1282.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
10:59:10 AM |
28 |
1282.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
10:59:10 AM |
51 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:00:55 AM |
13 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:00:55 AM |
13 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:00:55 AM |
2 |
1281.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:01:15 AM |
89 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:01:15 AM |
29 |
1281.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:01:15 AM |
88 |
1281.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:01:21 AM |
27 |
1281.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
11:04:05 AM |
88 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:04:05 AM |
89 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:05:01 AM |
25 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:05:01 AM |
3 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:05:01 AM |
12 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:05:30 AM |
11 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:05:30 AM |
40 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:05:30 AM |
39 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:05:30 AM |
27 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:05:35 AM |
92 |
1282.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:08:05 AM |
13 |
1281.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:08:05 AM |
16 |
1281.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:08:05 AM |
74 |
1281.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:11:29 AM |
34 |
1283.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:11:29 AM |
1 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:11:29 AM |
89 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:11:41 AM |
1 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:11:51 AM |
12 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:11:51 AM |
14 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:11:52 AM |
14 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:11:53 AM |
13 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:11:54 AM |
14 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:11:55 AM |
12 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:11:56 AM |
14 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:13:15 AM |
88 |
1283.00 |
XCSE |
155
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
11:13:15 AM |
40 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:13:15 AM |
39 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:13:15 AM |
38 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:13:15 AM |
35 |
1283.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
11:13:15 AM |
33 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:13:15 AM |
7 |
1283.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:13:21 AM |
9 |
1283.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:13:21 AM |
3 |
1283.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:13:22 AM |
12 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:13:38 AM |
15 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:13:38 AM |
11 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:16:22 AM |
45 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:16:22 AM |
36 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:17:15 AM |
91 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:17:15 AM |
26 |
1283.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
11:17:15 AM |
36 |
1282.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:17:15 AM |
60 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:17:15 AM |
36 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:17:15 AM |
7 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:17:15 AM |
7 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:17:15 AM |
7 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:17:15 AM |
7 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:17:15 AM |
12 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:17:17 AM |
88 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:17:17 AM |
36 |
1282.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
11:19:05 AM |
26 |
1281.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:19:05 AM |
12 |
1281.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:19:36 AM |
88 |
1281.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:19:36 AM |
26 |
1281.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
11:19:36 AM |
15 |
1281.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:19:36 AM |
7 |
1281.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:19:37 AM |
6 |
1281.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:20:17 AM |
9 |
1281.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:20:17 AM |
18 |
1281.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:20:17 AM |
7 |
1281.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:20:18 AM |
6 |
1280.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:20:18 AM |
6 |
1280.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:20:18 AM |
7 |
1280.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:21:05 AM |
89 |
1279.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:21:05 AM |
30 |
1280.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
11:21:05 AM |
32 |
1280.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:21:05 AM |
90 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:23:15 AM |
26 |
1279.00 |
TQEX |
156
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
11:23:55 AM |
75 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:24:11 AM |
10 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:25:43 AM |
92 |
1278.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:25:43 AM |
29 |
1278.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:25:43 AM |
36 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:25:43 AM |
17 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:25:44 AM |
13 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:25:44 AM |
27 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:25:44 AM |
12 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:25:45 AM |
12 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:26:07 AM |
93 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:29:12 AM |
86 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:30:13 AM |
90 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:30:13 AM |
35 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:30:13 AM |
27 |
1278.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
11:30:13 AM |
27 |
1278.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:30:13 AM |
57 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:30:13 AM |
35 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:31:05 AM |
62 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:32:05 AM |
91 |
1278.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:32:05 AM |
25 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:32:53 AM |
93 |
1278.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:32:53 AM |
27 |
1278.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:32:53 AM |
91 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:36:03 AM |
26 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:36:03 AM |
36 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:37:35 AM |
64 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:39:15 AM |
92 |
1279.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:39:27 AM |
27 |
1279.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:41:15 AM |
25 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:41:42 AM |
27 |
1279.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:42:55 AM |
87 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:42:55 AM |
27 |
1278.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:42:55 AM |
26 |
1278.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
11:42:55 AM |
7 |
1278.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
11:43:55 AM |
88 |
1277.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:46:42 AM |
21 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:46:42 AM |
39 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:46:52 AM |
14 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:46:52 AM |
12 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:47:15 AM |
92 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:48:45 AM |
66 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:49:55 AM |
25 |
1278.00 |
CEUX |
157
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
11:55:00 AM |
9 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:55:01 AM |
36 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:55:02 AM |
36 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:55:06 AM |
14 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:56:35 AM |
35 |
1279.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:56:35 AM |
90 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:56:45 AM |
12 |
1279.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:56:45 AM |
36 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:56:53 AM |
13 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:57:56 AM |
67 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:59:25 AM |
26 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
11:59:25 AM |
26 |
1278.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
11:59:25 AM |
74 |
1278.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
11:59:25 AM |
18 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
11:59:25 AM |
50 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:00:19 PM |
21 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:00:19 PM |
2 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:00:19 PM |
20 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:02:19 PM |
12 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:04:35 PM |
56 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:07:15 PM |
86 |
1279.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:07:15 PM |
35 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:10:25 PM |
32 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:10:25 PM |
16 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:10:25 PM |
25 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:10:25 PM |
26 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:10:25 PM |
14 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:10:29 PM |
25 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:10:29 PM |
20 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:12:15 PM |
13 |
1279.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:12:15 PM |
13 |
1279.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:12:15 PM |
9 |
1279.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:12:15 PM |
12 |
1279.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
12:12:15 PM |
25 |
1279.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
12:12:15 PM |
89 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:12:26 PM |
54 |
1279.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
12:12:26 PM |
10 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:14:57 PM |
11 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:15:09 PM |
81 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:15:09 PM |
26 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:15:09 PM |
20 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:15:43 PM |
9 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:15:43 PM |
15 |
1278.50 |
XCSE |
158
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
12:15:43 PM |
2 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:15:43 PM |
17 |
1278.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
12:15:43 PM |
19 |
1278.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
12:15:43 PM |
45 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:15:43 PM |
7 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:17:45 PM |
92 |
1277.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:17:45 PM |
2 |
1277.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
12:17:45 PM |
57 |
1277.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:17:45 PM |
2 |
1277.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:18:27 PM |
29 |
1277.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:19:00 PM |
86 |
1279.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:19:00 PM |
47 |
1279.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:19:07 PM |
100 |
1279.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:19:13 PM |
90 |
1279.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:20:22 PM |
53 |
1279.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
12:20:22 PM |
36 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:20:22 PM |
33 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:20:22 PM |
54 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:20:22 PM |
10 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:22:45 PM |
89 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:22:45 PM |
71 |
1278.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
12:22:45 PM |
69 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:24:43 PM |
19 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:25:45 PM |
21 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:27:29 PM |
58 |
1278.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
12:27:29 PM |
10 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:27:30 PM |
15 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:27:32 PM |
2 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:27:59 PM |
17 |
1278.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:27:59 PM |
74 |
1278.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:29:25 PM |
87 |
1278.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:29:25 PM |
34 |
1278.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
12:29:25 PM |
91 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:30:55 PM |
14 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:34:25 PM |
14 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:34:25 PM |
79 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:35:03 PM |
20 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:35:14 PM |
15 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:35:14 PM |
15 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:35:14 PM |
37 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:35:14 PM |
13 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:35:14 PM |
37 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:35:14 PM |
15 |
1279.00 |
XCSE |
159
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
12:35:14 PM |
14 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:35:14 PM |
16 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:35:14 PM |
37 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:35:14 PM |
12 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:37:01 PM |
13 |
1278.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:37:01 PM |
80 |
1278.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:37:01 PM |
31 |
1278.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
12:37:01 PM |
26 |
1277.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
12:37:01 PM |
8 |
1278.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:37:01 PM |
68 |
1277.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:39:15 PM |
89 |
1277.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:39:15 PM |
10 |
1277.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
12:39:15 PM |
10 |
1277.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
12:39:15 PM |
7 |
1277.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
12:39:15 PM |
25 |
1277.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:42:35 PM |
35 |
1277.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:42:35 PM |
65 |
1276.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:43:13 PM |
24 |
1276.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
12:43:26 PM |
3 |
1276.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
12:45:45 PM |
87 |
1276.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:45:45 PM |
22 |
1276.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
12:45:45 PM |
26 |
1276.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:47:31 PM |
93 |
1276.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:47:31 PM |
24 |
1276.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:47:38 PM |
2 |
1277.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:47:38 PM |
66 |
1276.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:47:42 PM |
36 |
1277.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:53:21 PM |
9 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:53:21 PM |
31 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:53:35 PM |
25 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:53:35 PM |
19 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:53:56 PM |
13 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:54:00 PM |
36 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:54:01 PM |
36 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:54:08 PM |
39 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:54:08 PM |
56 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:54:08 PM |
34 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:54:08 PM |
36 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:54:47 PM |
15 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:54:47 PM |
39 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:54:47 PM |
15 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:54:47 PM |
39 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:54:47 PM |
13 |
1280.00 |
XCSE |
160
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
12:55:24 PM |
39 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:55:24 PM |
39 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:55:24 PM |
2 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:55:24 PM |
17 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:55:45 PM |
63 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:55:45 PM |
7 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:57:04 PM |
31 |
1279.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:57:04 PM |
36 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:57:04 PM |
17 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:57:10 PM |
36 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:57:15 PM |
2 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:57:36 PM |
86 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:57:36 PM |
44 |
1279.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
12:57:36 PM |
36 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:57:36 PM |
49 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:58:40 PM |
49 |
1278.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
12:58:40 PM |
87 |
1278.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
12:58:40 PM |
93 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
12:58:40 PM |
36 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:01:55 PM |
65 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:01:55 PM |
24 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:03:25 PM |
86 |
1278.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:03:25 PM |
48 |
1278.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
1:03:29 PM |
2 |
1278.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
1:03:42 PM |
73 |
1278.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
1:04:05 PM |
15 |
1278.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:06:41 PM |
31 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:06:41 PM |
29 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:08:09 PM |
39 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:08:09 PM |
25 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:08:09 PM |
27 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:10:45 PM |
48 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:10:45 PM |
43 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:12:20 PM |
31 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:12:20 PM |
36 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:12:21 PM |
7 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:12:21 PM |
51 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:12:21 PM |
17 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:12:29 PM |
31 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:12:29 PM |
2 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:13:33 PM |
36 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:13:34 PM |
31 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:13:34 PM |
50 |
1281.50 |
CEUX |
161
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
1:13:41 PM |
36 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:17:25 PM |
39 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:17:25 PM |
28 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:17:25 PM |
15 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:17:25 PM |
69 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:20:34 PM |
92 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:20:34 PM |
15 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:25:05 PM |
90 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:25:05 PM |
39 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:25:05 PM |
29 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:25:05 PM |
29 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:25:05 PM |
20 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:25:05 PM |
69 |
1282.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
1:27:42 PM |
50 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:27:42 PM |
6 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:27:42 PM |
18 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:29:02 PM |
2 |
1283.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
1:31:05 PM |
39 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:31:05 PM |
85 |
1283.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
1:32:21 PM |
35 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:32:21 PM |
28 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:32:21 PM |
39 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:32:21 PM |
36 |
1283.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:33:00 PM |
39 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:33:00 PM |
12 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:33:00 PM |
36 |
1283.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:33:00 PM |
77 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:33:01 PM |
39 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:33:05 PM |
39 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:33:05 PM |
35 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:33:05 PM |
39 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:33:05 PM |
9 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:33:09 PM |
14 |
1282.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
1:33:11 PM |
99 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:33:21 PM |
68 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:33:43 PM |
39 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:33:43 PM |
16 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:33:43 PM |
16 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:33:44 PM |
36 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:36:06 PM |
93 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:36:06 PM |
29 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:36:06 PM |
77 |
1283.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
1:36:06 PM |
93 |
1283.50 |
CEUX |
162
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
1:36:06 PM |
36 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:36:12 PM |
8 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:38:25 PM |
89 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:38:25 PM |
80 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:38:25 PM |
10 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:38:25 PM |
23 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:38:26 PM |
47 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:42:55 PM |
92 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:45:12 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:45:17 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:45:35 PM |
13 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:45:37 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:45:56 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:46:04 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:46:47 PM |
39 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:46:47 PM |
37 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:46:47 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:47:00 PM |
2 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:47:00 PM |
39 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:47:00 PM |
37 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:47:45 PM |
37 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:47:45 PM |
39 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:47:55 PM |
39 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:47:55 PM |
37 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:47:55 PM |
33 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:48:01 PM |
39 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:48:01 PM |
2 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:48:29 PM |
2 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:48:29 PM |
17 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:48:34 PM |
14 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:48:37 PM |
39 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:48:37 PM |
37 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:48:37 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:49:00 PM |
39 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:49:00 PM |
37 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:49:00 PM |
41 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:50:00 PM |
31 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:50:04 PM |
35 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:50:04 PM |
42 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:51:32 PM |
88 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:53:43 PM |
71 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
1:53:43 PM |
90 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:53:49 PM |
15 |
1285.50 |
CEUX |
163
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
1:53:55 PM |
15 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:53:56 PM |
12 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:54:25 PM |
15 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:55:39 PM |
39 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:55:39 PM |
15 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:55:39 PM |
37 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:55:39 PM |
26 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:55:40 PM |
91 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:55:40 PM |
2 |
1286.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
1:55:40 PM |
22 |
1286.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
1:55:40 PM |
90 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:55:45 PM |
35 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:55:45 PM |
15 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:55:45 PM |
39 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:55:45 PM |
24 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:55:45 PM |
4 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:55:45 PM |
24 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:55:45 PM |
45 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:55:45 PM |
15 |
1286.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
1:55:45 PM |
49 |
1286.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
1:55:45 PM |
36 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:56:01 PM |
26 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:56:01 PM |
39 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:56:01 PM |
11 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:56:01 PM |
26 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:56:01 PM |
67 |
1286.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
1:56:01 PM |
36 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:56:13 PM |
35 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:56:13 PM |
26 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
1:56:13 PM |
36 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:56:13 PM |
51 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
1:58:35 PM |
10 |
1286.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:04:25 PM |
86 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:03 PM |
91 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:03 PM |
2 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:03 PM |
73 |
1286.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:06:03 PM |
61 |
1286.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:06:03 PM |
93 |
1286.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
2:06:03 PM |
30 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:03 PM |
5 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:04 PM |
44 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:04 PM |
16 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:05 PM |
17 |
1286.50 |
CEUX |
164
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
2:06:05 PM |
36 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:06 PM |
36 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:14 PM |
15 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
92 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
91 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
92 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
88 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
35 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
13 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
31 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
9 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
35 |
1281.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
35 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
17 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
14 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
13 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
3 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
2 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
10 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
77 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
87 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
8 |
1277.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
2 |
1277.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
79 |
1277.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
48 |
1286.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
20 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
75 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
90 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
89 |
1284.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
86 |
1283.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
28 |
1284.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
93 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
87 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
89 |
1283.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
36 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
21 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
7 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
50 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
8 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
31 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
93 |
1283.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
93 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
28 |
1280.00 |
CEUX |
165
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
27 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
17 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
18 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:27 PM |
3 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:28 PM |
117 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:29 PM |
91 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:30 PM |
89 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:30 PM |
35 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:30 PM |
44 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:30 PM |
15 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:30 PM |
23 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:30 PM |
41 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:30 PM |
52 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:31 PM |
35 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:32 PM |
13 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:32 PM |
13 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:32 PM |
39 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:32 PM |
31 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:32 PM |
39 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:32 PM |
36 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:32 PM |
93 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:33 PM |
89 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:33 PM |
35 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:33 PM |
39 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:33 PM |
43 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:33 PM |
88 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:06:47 PM |
100 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:06:47 PM |
17 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:07:05 PM |
15 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:07:05 PM |
36 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:07:06 PM |
13 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:07:06 PM |
37 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:07:29 PM |
25 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:07:29 PM |
15 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:08:03 PM |
39 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:08:04 PM |
3 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:08:04 PM |
39 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:08:06 PM |
2 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:08:06 PM |
39 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:08:06 PM |
14 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:08:06 PM |
14 |
1280.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:08:06 PM |
93 |
1279.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:08:06 PM |
11 |
1279.00 |
CEUX |
166
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
2:08:06 PM |
21 |
1279.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:08:57 PM |
6 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:08:57 PM |
80 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:10:12 PM |
91 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:11:01 PM |
35 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:11:26 PM |
25 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:11:26 PM |
35 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:11:35 PM |
17 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:11:35 PM |
25 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:11:35 PM |
35 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:11:35 PM |
39 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:11:35 PM |
14 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:11:35 PM |
26 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:11:35 PM |
26 |
1283.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
2:11:35 PM |
15 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:11:35 PM |
86 |
1283.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:12:27 PM |
89 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:27 PM |
26 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:27 PM |
39 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:27 PM |
9 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:27 PM |
35 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:27 PM |
8 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:27 PM |
62 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:27 PM |
35 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:27 PM |
13 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:27 PM |
7 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:27 PM |
13 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:27 PM |
39 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:27 PM |
15 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:27 PM |
89 |
1282.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:12:30 PM |
35 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:30 PM |
39 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:31 PM |
35 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:31 PM |
35 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:31 PM |
39 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:12:31 PM |
8 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:13:04 PM |
35 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:13:10 PM |
23 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:13:10 PM |
16 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:13:10 PM |
14 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:13:10 PM |
15 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:13:11 PM |
39 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:13:11 PM |
19 |
1284.00 |
XCSE |
167
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
2:13:11 PM |
9 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:15:15 PM |
86 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:17:15 PM |
91 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:18:00 PM |
3 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:18:32 PM |
91 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:18:32 PM |
32 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:18:32 PM |
28 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:18:32 PM |
39 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:18:32 PM |
18 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:18:32 PM |
28 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:18:32 PM |
39 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:18:32 PM |
14 |
1284.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:18:32 PM |
12 |
1284.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:18:32 PM |
26 |
1284.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
2:18:32 PM |
25 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:18:32 PM |
36 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:18:32 PM |
51 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:18:35 PM |
19 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:18:35 PM |
35 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:19:31 PM |
27 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:19:55 PM |
88 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:19:55 PM |
44 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:21:15 PM |
48 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:22:55 PM |
90 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:22:55 PM |
39 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:22:55 PM |
30 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:22:55 PM |
18 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:22:55 PM |
30 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:22:55 PM |
33 |
1285.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
2:22:55 PM |
93 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:22:59 PM |
8 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:22:59 PM |
1 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:26:53 PM |
40 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:26:53 PM |
18 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:26:53 PM |
18 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:26:53 PM |
12 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:26:53 PM |
45 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:28:23 PM |
23 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:28:23 PM |
21 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:28:49 PM |
6 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:28:49 PM |
3 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:28:49 PM |
12 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:29:11 PM |
8 |
1288.00 |
XCSE |
168
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
2:30:08 PM |
9 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:30:08 PM |
7 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:31:09 PM |
29 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:31:09 PM |
52 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:31:09 PM |
38 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:31:09 PM |
62 |
1289.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:31:09 PM |
49 |
1288.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
2:31:09 PM |
91 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:31:09 PM |
15 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:32:17 PM |
87 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:32:17 PM |
13 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:32:17 PM |
30 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:32:17 PM |
46 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:32:18 PM |
27 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:32:18 PM |
41 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:32:18 PM |
30 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:32:18 PM |
14 |
1289.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:32:18 PM |
34 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:33:12 PM |
88 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:33:12 PM |
39 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:33:12 PM |
44 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:33:12 PM |
41 |
1290.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:33:12 PM |
39 |
1290.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
2:33:12 PM |
90 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:33:16 PM |
87 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:33:16 PM |
39 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:33:16 PM |
13 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:33:16 PM |
39 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:33:16 PM |
18 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:33:16 PM |
8 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:33:16 PM |
39 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:33:16 PM |
15 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:33:16 PM |
44 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:33:16 PM |
12 |
1289.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:33:16 PM |
40 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
2:33:16 PM |
92 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:35:25 PM |
1 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:35:25 PM |
2 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:37:03 PM |
41 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:37:03 PM |
46 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:37:03 PM |
37 |
1291.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
2:37:03 PM |
91 |
1291.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:38:24 PM |
35 |
1291.50 |
XCSE |
169
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
2:38:24 PM |
39 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:38:24 PM |
27 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:38:24 PM |
16 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:38:24 PM |
35 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:38:24 PM |
15 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:38:24 PM |
36 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:38:24 PM |
86 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:38:24 PM |
26 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:38:24 PM |
38 |
1290.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
2:38:24 PM |
34 |
1291.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:38:24 PM |
90 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:39:49 PM |
27 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:39:49 PM |
16 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:39:49 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:39:49 PM |
16 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:39:49 PM |
10 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:39:49 PM |
83 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:39:49 PM |
8 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:40:12 PM |
13 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:40:12 PM |
22 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:40:12 PM |
2 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:40:15 PM |
39 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:40:15 PM |
17 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:40:15 PM |
35 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:40:15 PM |
26 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:40:15 PM |
13 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:40:15 PM |
13 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:40:15 PM |
14 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:11 PM |
18 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:11 PM |
35 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:11 PM |
39 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:11 PM |
25 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:12 PM |
13 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:12 PM |
39 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:12 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:12 PM |
13 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:12 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:12 PM |
39 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:12 PM |
47 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:12 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:12 PM |
16 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:12 PM |
16 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:12 PM |
47 |
1290.00 |
XCSE |
170
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
2:41:12 PM |
14 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:14 PM |
39 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:14 PM |
47 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:14 PM |
31 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:14 PM |
31 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:41:14 PM |
52 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:41:17 PM |
39 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:17 PM |
47 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:17 PM |
31 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:17 PM |
10 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:41:18 PM |
47 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:20 PM |
39 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:20 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:41:20 PM |
41 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:42:59 PM |
12 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:44:27 PM |
10 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:44:27 PM |
81 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:44:27 PM |
35 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:44:27 PM |
14 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:44:27 PM |
36 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:44:27 PM |
29 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:44:27 PM |
85 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:44:29 PM |
93 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:45:25 PM |
6 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:46:45 PM |
88 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:47:42 PM |
39 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:47:42 PM |
22 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:47:42 PM |
35 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:47:42 PM |
2 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:47:42 PM |
19 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:47:42 PM |
44 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:47:42 PM |
48 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:48:16 PM |
39 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:48:16 PM |
12 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:48:16 PM |
45 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:48:16 PM |
21 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:48:25 PM |
39 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:48:25 PM |
45 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:48:25 PM |
33 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:48:33 PM |
49 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:48:34 PM |
35 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:48:34 PM |
15 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:48:34 PM |
45 |
1289.50 |
XCSE |
171
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
2:48:34 PM |
16 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:48:34 PM |
32 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:48:35 PM |
90 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:48:43 PM |
35 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:48:43 PM |
45 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:49:05 PM |
28 |
1288.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:49:11 PM |
10 |
1288.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
2:49:35 PM |
16 |
1288.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
2:49:40 PM |
93 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:49:40 PM |
36 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:49:41 PM |
80 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:49:41 PM |
11 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:49:42 PM |
34 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:49:49 PM |
12 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:49:49 PM |
39 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:49:49 PM |
17 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:50:10 PM |
18 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:51:15 PM |
87 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:51:15 PM |
71 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:51:44 PM |
16 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:52:05 PM |
14 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:53:00 PM |
3 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:53:00 PM |
30 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:53:15 PM |
93 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:53:15 PM |
20 |
1288.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:53:15 PM |
86 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:55:14 PM |
1 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:55:14 PM |
36 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:57:55 PM |
78 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:58:00 PM |
48 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:58:00 PM |
2 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:58:00 PM |
17 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:58:15 PM |
7 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:58:16 PM |
31 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
2:58:16 PM |
11 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:59:43 PM |
90 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
2:59:43 PM |
23 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
2:59:43 PM |
70 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:00:35 PM |
49 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:00:35 PM |
21 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:00:35 PM |
2 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:00:35 PM |
13 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:01:19 PM |
37 |
1291.50 |
XCSE |
172
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:01:19 PM |
39 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:01:20 PM |
39 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:01:20 PM |
37 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:01:20 PM |
39 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:01:20 PM |
37 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:01:20 PM |
1 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:01:30 PM |
87 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:01:30 PM |
36 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:02:34 PM |
26 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:02:34 PM |
39 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:02:34 PM |
21 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:02:34 PM |
17 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:02:34 PM |
17 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:02:34 PM |
44 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:02:34 PM |
42 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:05:25 PM |
27 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:05:25 PM |
40 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:08:22 PM |
76 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:08:23 PM |
38 |
1291.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:08:23 PM |
11 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:09:51 PM |
93 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:09:51 PM |
28 |
1291.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:09:51 PM |
74 |
1291.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:09:51 PM |
87 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:09:52 PM |
63 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:09:52 PM |
36 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:09:52 PM |
7 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:09:52 PM |
8 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:09:52 PM |
7 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:09:52 PM |
16 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:09:53 PM |
36 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:09:53 PM |
36 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:10:45 PM |
92 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:10:45 PM |
35 |
1290.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:10:45 PM |
17 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:10:45 PM |
2 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:10:45 PM |
68 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:10:58 PM |
35 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:10:58 PM |
17 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:10:58 PM |
1 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:11:25 PM |
30 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:11:55 PM |
28 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:11:55 PM |
48 |
1289.00 |
CEUX |
173
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:13:55 PM |
5 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:14:58 PM |
37 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:15:05 PM |
88 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:15:35 PM |
29 |
1288.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:15:35 PM |
36 |
1288.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:15:35 PM |
48 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:15:35 PM |
38 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:15:38 PM |
87 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:15:38 PM |
26 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:15:38 PM |
22 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:15:38 PM |
17 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:15:38 PM |
39 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:15:38 PM |
13 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:15:38 PM |
22 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:15:38 PM |
17 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:15:38 PM |
15 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:15:38 PM |
17 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:15:38 PM |
29 |
1287.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:15:38 PM |
93 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:16:39 PM |
100 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:16:45 PM |
86 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:16:45 PM |
86 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:17:05 PM |
86 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:17:05 PM |
71 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:17:05 PM |
19 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:17:11 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:17:52 PM |
4 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:18:25 PM |
38 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:19:11 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:20:15 PM |
36 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:20:15 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:20:18 PM |
4 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:20:35 PM |
117 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:20:35 PM |
17 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:20:35 PM |
51 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:20:35 PM |
90 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:20:36 PM |
26 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:20:36 PM |
37 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:20:36 PM |
5 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:20:36 PM |
2 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:20:36 PM |
16 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:20:37 PM |
36 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:21:06 PM |
37 |
1288.50 |
XCSE |
174
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:21:06 PM |
90 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:21:09 PM |
91 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:21:09 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:21:09 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:21:09 PM |
28 |
1288.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:21:12 PM |
14 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:21:51 PM |
89 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:21:51 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:21:51 PM |
25 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:21:51 PM |
3 |
1288.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:22:06 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:06 PM |
16 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:06 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:06 PM |
16 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:06 PM |
7 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:06 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:06 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:06 PM |
17 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:06 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:06 PM |
14 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:06 PM |
17 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:06 PM |
32 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:06 PM |
21 |
1288.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:22:06 PM |
8 |
1288.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:22:06 PM |
36 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:22:07 PM |
35 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:07 PM |
15 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:07 PM |
15 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:07 PM |
14 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:07 PM |
37 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:07 PM |
1 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:07 PM |
17 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:07 PM |
37 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:07 PM |
16 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:07 PM |
16 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:07 PM |
31 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:08 PM |
16 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:08 PM |
17 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:08 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:08 PM |
47 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:08 PM |
89 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:45 PM |
17 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:45 PM |
12 |
1287.50 |
XCSE |
175
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:22:45 PM |
37 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:45 PM |
14 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:45 PM |
37 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:22:45 PM |
28 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:22:45 PM |
16 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:22:45 PM |
93 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:22:50 PM |
8 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:22:53 PM |
19 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:24:40 PM |
20 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:24:42 PM |
54 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:24:42 PM |
19 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:25:13 PM |
3 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:25:13 PM |
6 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:25:13 PM |
6 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:25:13 PM |
4 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:25:13 PM |
3 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:25:32 PM |
39 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:25:32 PM |
14 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:25:32 PM |
34 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:25:32 PM |
81 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:25:32 PM |
3 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:26:49 PM |
12 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:27:40 PM |
36 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:27:50 PM |
4 |
1287.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:27:50 PM |
2 |
1287.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:27:50 PM |
2 |
1287.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:27:50 PM |
2 |
1287.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:27:50 PM |
2 |
1287.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:27:50 PM |
2 |
1287.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:27:58 PM |
26 |
1287.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:28:25 PM |
80 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:29:14 PM |
46 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:29:14 PM |
15 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:29:16 PM |
37 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:29:16 PM |
16 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:29:23 PM |
90 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:30:00 PM |
88 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:00 PM |
3 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:00 PM |
3 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:00 PM |
15 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:00 PM |
30 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:00 PM |
58 |
1287.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:30:00 PM |
4 |
1287.00 |
AQEU |
176
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:30:00 PM |
30 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:30:00 PM |
15 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:30:04 PM |
3 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:30:04 PM |
2 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:30:04 PM |
3 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:30:04 PM |
3 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:30:04 PM |
20 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:30:09 PM |
41 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:30:10 PM |
86 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:13 PM |
2 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
16 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
25 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
37 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
21 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
2 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
2 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
15 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
10 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
7 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
8 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
2 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
8 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
13 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
3 |
1289.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
37 |
1289.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
3 |
1288.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
3 |
1289.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
2 |
1289.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
2 |
1289.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
24 |
1289.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
15 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
74 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:30:40 PM |
12 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
88 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
20 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
2 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
2 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
3 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
2 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
2 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
2 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
3 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
15 |
1287.50 |
XCSE |
177
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
37 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
29 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
35 |
1288.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
5 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
4 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
21 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
34 |
1288.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
4 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
2 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
2 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
2 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
5 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
2 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
14 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
88 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
12 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
5 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
8 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
22 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
7 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
3 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
7 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
5 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
2 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
5 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
5 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
5 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:04 PM |
3 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:05 PM |
28 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:31:05 PM |
87 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:13 PM |
22 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:31:45 PM |
31 |
1288.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:31:45 PM |
34 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:31:45 PM |
14 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:04 PM |
34 |
1288.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:32:04 PM |
36 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:05 PM |
15 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:05 PM |
24 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:05 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:07 PM |
21 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:07 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:07 PM |
37 |
1288.50 |
XCSE |
178
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:32:08 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:09 PM |
14 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:09 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:09 PM |
38 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:11 PM |
16 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:11 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:11 PM |
38 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:11 PM |
16 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:11 PM |
16 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:11 PM |
17 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:11 PM |
15 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:11 PM |
15 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:11 PM |
38 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
30 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
1 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
30 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
31 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
15 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
50 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
15 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
5 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
15 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
17 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
2 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
2 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
8 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
2 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
37 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
3 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:12 PM |
12 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:13 PM |
17 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:13 PM |
9 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:13 PM |
11 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:13 PM |
14 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:25 PM |
37 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:32 PM |
4 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:32 PM |
2 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:32 PM |
2 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:32 PM |
7 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:32 PM |
2 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:32 PM |
15 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:33 PM |
2 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:32:43 PM |
93 |
1287.00 |
XCSE |
179
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:32:43 PM |
15 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:32:55 PM |
74 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:01 PM |
2 |
1288.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:33:01 PM |
4 |
1288.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:33:01 PM |
5 |
1288.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:33:01 PM |
85 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:01 PM |
5 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:03 PM |
35 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:03 PM |
19 |
1288.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
67 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
24 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
5 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
15 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
15 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
19 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
13 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
5 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
17 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
26 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
3 |
1289.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
31 |
1289.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
89 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
3 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
7 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
3 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:35 PM |
2 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:36 PM |
29 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:37 PM |
90 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:37 PM |
29 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:37 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:37 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:37 PM |
14 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:37 PM |
32 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:33:37 PM |
31 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:33:37 PM |
17 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:37 PM |
6 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:37 PM |
69 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:37 PM |
36 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:38 PM |
23 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:38 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:38 PM |
17 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:38 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:39 PM |
37 |
1290.00 |
XCSE |
180
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:33:39 PM |
16 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:39 PM |
1 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:39 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:39 PM |
14 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:39 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:39 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:39 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:39 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:39 PM |
13 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:40 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:40 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:40 PM |
14 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:40 PM |
14 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:40 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:40 PM |
17 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:40 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:40 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:40 PM |
17 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:40 PM |
31 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:40 PM |
35 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:43 PM |
14 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:43 PM |
14 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:43 PM |
16 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:45 PM |
35 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:45 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:45 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:45 PM |
16 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:45 PM |
16 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:45 PM |
14 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:45 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:46 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:46 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:46 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:46 PM |
28 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:46 PM |
16 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:46 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:46 PM |
15 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:46 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:48 PM |
4 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:48 PM |
15 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:48 PM |
5 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:48 PM |
20 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:50 PM |
3 |
1288.50 |
CEUX |
181
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:33:50 PM |
8 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
41 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
51 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
14 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
5 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
22 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
7 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
8 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
15 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
46 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
8 |
1288.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
18 |
1288.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
80 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
15 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
11 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
17 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
4 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:33:51 PM |
40 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:34:26 PM |
5 |
1291.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:34:26 PM |
5 |
1291.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:34:26 PM |
15 |
1291.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:34:26 PM |
42 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:34:26 PM |
5 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:34:26 PM |
15 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:34:26 PM |
13 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:34:26 PM |
5 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:34:26 PM |
7 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:34:27 PM |
7 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:34:27 PM |
15 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:34:27 PM |
4 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:34:27 PM |
4 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:34:27 PM |
50 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:34:27 PM |
3 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:34:32 PM |
17 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:34:32 PM |
16 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:34:34 PM |
89 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:34:34 PM |
22 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:34:41 PM |
36 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:34:45 PM |
36 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:34:56 PM |
76 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:34:56 PM |
8 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:34:56 PM |
4 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:34:56 PM |
6 |
1291.00 |
CEUX |
182
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:34:56 PM |
3 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:34:56 PM |
71 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:34:56 PM |
3 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:34:56 PM |
6 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:35:00 PM |
3 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
93 |
1292.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
19 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
25 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
6 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
5 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
22 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
15 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
15 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
10 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
15 |
1291.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
2 |
1291.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
14 |
1291.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
5 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
5 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
11 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
4 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
1 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
39 |
1292.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
36 |
1292.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
51 |
1292.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
42 |
1292.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
71 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:35:39 PM |
20 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:36:28 PM |
69 |
1293.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:36:32 PM |
20 |
1293.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:36:34 PM |
7 |
1292.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:36:34 PM |
6 |
1292.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:36:36 PM |
87 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:36 PM |
17 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:36 PM |
14 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:36 PM |
25 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:36 PM |
3 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:36 PM |
12 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:36 PM |
5 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:36 PM |
11 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:36 PM |
9 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:36 PM |
4 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:36 PM |
13 |
1292.50 |
XCSE |
183
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:36:36 PM |
4 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:36 PM |
30 |
1292.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:36:37 PM |
32 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:37 PM |
33 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:37 PM |
17 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:37 PM |
17 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:37 PM |
14 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:37 PM |
16 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:37 PM |
16 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:37 PM |
37 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:37 PM |
16 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:37 PM |
27 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:53 PM |
90 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:53 PM |
10 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:53 PM |
37 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:53 PM |
14 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:53 PM |
15 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:53 PM |
15 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:53 PM |
26 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:53 PM |
37 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:53 PM |
80 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:53 PM |
82 |
1292.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:36:54 PM |
54 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:56 PM |
1 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:36:58 PM |
92 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:37:05 PM |
3 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:37:05 PM |
2 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:37:05 PM |
7 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:37:05 PM |
6 |
1292.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:37:12 PM |
87 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:37:12 PM |
26 |
1293.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:37:12 PM |
90 |
1293.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:37:27 PM |
19 |
1292.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:37:27 PM |
70 |
1292.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:38:12 PM |
6 |
1294.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:38:12 PM |
3 |
1294.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:38:12 PM |
3 |
1294.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:38:12 PM |
5 |
1294.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:38:14 PM |
17 |
1293.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:38:14 PM |
3 |
1294.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:38:14 PM |
12 |
1294.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:38:14 PM |
2 |
1293.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:38:14 PM |
2 |
1293.50 |
XCSE |
184
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:38:14 PM |
2 |
1293.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:38:14 PM |
5 |
1293.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:38:14 PM |
27 |
1294.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:38:14 PM |
73 |
1294.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:38:29 PM |
89 |
1293.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:38:29 PM |
35 |
1293.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:38:29 PM |
90 |
1293.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:38:30 PM |
26 |
1293.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:39:01 PM |
86 |
1293.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:01 PM |
46 |
1293.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:39:01 PM |
42 |
1293.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:39:02 PM |
37 |
1293.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:02 PM |
19 |
1293.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:02 PM |
14 |
1293.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:02 PM |
17 |
1293.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:02 PM |
30 |
1293.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:02 PM |
14 |
1293.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:39:02 PM |
12 |
1293.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:39:07 PM |
89 |
1292.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:07 PM |
37 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:07 PM |
20 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:07 PM |
15 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:07 PM |
15 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:07 PM |
17 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:07 PM |
86 |
1292.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:39:08 PM |
17 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:08 PM |
17 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:08 PM |
5 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:08 PM |
14 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:19 PM |
37 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:19 PM |
14 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:19 PM |
17 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:19 PM |
17 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:19 PM |
32 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:20 PM |
14 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:20 PM |
17 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:20 PM |
15 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:20 PM |
71 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:20 PM |
59 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:20 PM |
16 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:20 PM |
37 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:20 PM |
5 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:21 PM |
9 |
1293.00 |
XCSE |
185
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:39:21 PM |
16 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:21 PM |
16 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:21 PM |
37 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:21 PM |
17 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:21 PM |
37 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:21 PM |
14 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:21 PM |
14 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:21 PM |
35 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:21 PM |
14 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:21 PM |
15 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:21 PM |
17 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:23 PM |
15 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:23 PM |
30 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:23 PM |
37 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:23 PM |
14 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:23 PM |
16 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:23 PM |
16 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:23 PM |
8 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:24 PM |
14 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:24 PM |
37 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:24 PM |
37 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:24 PM |
29 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:25 PM |
17 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:25 PM |
37 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:25 PM |
11 |
1293.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:39:25 PM |
31 |
1292.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:40:03 PM |
88 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:03 PM |
1 |
1291.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:15 PM |
92 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:15 PM |
10 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:15 PM |
13 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:15 PM |
17 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:15 PM |
15 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:15 PM |
15 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:15 PM |
2 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:40:15 PM |
3 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:40:15 PM |
7 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:40:15 PM |
8 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:40:15 PM |
2 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:40:15 PM |
3 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:40:15 PM |
2 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:40:15 PM |
28 |
1291.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:40:15 PM |
88 |
1291.00 |
CEUX |
186
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:40:16 PM |
86 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:22 PM |
3 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:23 PM |
26 |
1290.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:40:23 PM |
1 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:40:23 PM |
87 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
87 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
37 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
3 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
6 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
3 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
2 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
5 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
2 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
2 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
5 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
10 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
12 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
30 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
26 |
1289.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
53 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
32 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
34 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:40:55 PM |
20 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:40:57 PM |
117 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:40:57 PM |
28 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:41:02 PM |
2 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:41:06 PM |
4 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:41:06 PM |
37 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:41:17 PM |
2 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:42:08 PM |
89 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:42:08 PM |
50 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:42:08 PM |
37 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:42:08 PM |
32 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:42:08 PM |
26 |
1290.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:43:01 PM |
37 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:01 PM |
2 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:01 PM |
37 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:01 PM |
26 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:01 PM |
70 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:43:02 PM |
45 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:02 PM |
37 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:02 PM |
16 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:02 PM |
16 |
1291.00 |
XCSE |
187
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:43:02 PM |
45 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:02 PM |
31 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:43:02 PM |
3 |
1290.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
87 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
37 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
5 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
2 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
14 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
8 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
2 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
4 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
2 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
2 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
7 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
6 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
7 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
3 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
2 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
2 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
2 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:43:15 PM |
11 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:43:16 PM |
3 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:43:29 PM |
4 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:29 PM |
2 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:29 PM |
25 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:29 PM |
5 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:29 PM |
2 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:29 PM |
21 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:29 PM |
8 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:29 PM |
37 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:38 PM |
60 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:38 PM |
28 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:43:38 PM |
2 |
1290.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:43:38 PM |
3 |
1290.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:43:38 PM |
2 |
1290.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:43:38 PM |
8 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:43:38 PM |
16 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:43:38 PM |
10 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:43:38 PM |
4 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:43:38 PM |
5 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:43:38 PM |
25 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:43:38 PM |
11 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:43:38 PM |
4 |
1290.00 |
CEUX |
188
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:43:38 PM |
7 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:43:50 PM |
88 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:44:01 PM |
60 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:44:01 PM |
16 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:44:01 PM |
3 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:44:01 PM |
15 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:44:01 PM |
15 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:44:01 PM |
53 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:44:01 PM |
88 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:44:35 PM |
5 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:45:01 PM |
26 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:45:11 PM |
89 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:45:13 PM |
20 |
1288.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:45:17 PM |
6 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:45:17 PM |
3 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:45:17 PM |
2 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:45:17 PM |
5 |
1288.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:45:17 PM |
2 |
1288.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:45:17 PM |
4 |
1288.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:45:18 PM |
3 |
1288.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:45:22 PM |
10 |
1288.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:45:23 PM |
5 |
1288.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:45:23 PM |
2 |
1288.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:45:28 PM |
4 |
1288.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:45:29 PM |
3 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:45:29 PM |
16 |
1288.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:45:29 PM |
3 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:45:33 PM |
17 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:45:33 PM |
2 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:45:33 PM |
4 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:45:33 PM |
8 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:45:33 PM |
3 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:45:33 PM |
4 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:45:33 PM |
2 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:45:33 PM |
10 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:45:33 PM |
5 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:45:33 PM |
5 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:45:33 PM |
7 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:45:33 PM |
13 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:46:15 PM |
89 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:46:15 PM |
32 |
1288.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:46:15 PM |
8 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:46:15 PM |
7 |
1288.00 |
CEUX |
189
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:46:15 PM |
6 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:46:15 PM |
2 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:46:15 PM |
4 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:46:49 PM |
5 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:46:49 PM |
4 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:46:49 PM |
4 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:46:49 PM |
68 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:46:49 PM |
21 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:46:49 PM |
2 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:46:49 PM |
7 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:46:59 PM |
87 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:46:59 PM |
70 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:46:59 PM |
37 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:46:59 PM |
10 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:46:59 PM |
30 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:46:59 PM |
26 |
1287.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:46:59 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:47:00 PM |
37 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:00 PM |
19 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:00 PM |
100 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:00 PM |
11 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:08 PM |
37 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:08 PM |
5 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:08 PM |
7 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:47:08 PM |
8 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:47:08 PM |
86 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:47:22 PM |
26 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:22 PM |
37 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:25 PM |
37 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:25 PM |
15 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:25 PM |
16 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:25 PM |
17 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:25 PM |
80 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:47:25 PM |
9 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:47:26 PM |
37 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:26 PM |
14 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:26 PM |
28 |
1286.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:47:28 PM |
16 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:29 PM |
17 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:29 PM |
2 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:29 PM |
17 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:30 PM |
2 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:34 PM |
15 |
1287.00 |
XCSE |
190
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:47:35 PM |
15 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:35 PM |
14 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:35 PM |
14 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:35 PM |
15 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:35 PM |
16 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:35 PM |
14 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:35 PM |
49 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:35 PM |
15 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:35 PM |
17 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:35 PM |
49 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:35 PM |
16 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:42 PM |
100 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:48 PM |
72 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:47:48 PM |
16 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:48:00 PM |
23 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:48:25 PM |
65 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:48:55 PM |
2 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:49:50 PM |
1 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:49:50 PM |
88 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:49:50 PM |
2 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:49:50 PM |
3 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:49:50 PM |
28 |
1286.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:49:50 PM |
4 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:49:50 PM |
20 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:49:50 PM |
2 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:49:50 PM |
3 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:49:50 PM |
9 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:49:50 PM |
7 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:49:50 PM |
4 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:50:07 PM |
63 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:50:07 PM |
54 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:50:07 PM |
46 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:50:07 PM |
6 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:50:07 PM |
3 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:50:08 PM |
8 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:50:08 PM |
4 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:50:08 PM |
7 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:50:08 PM |
10 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:50:08 PM |
4 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:50:08 PM |
16 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:50:08 PM |
2 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:50:08 PM |
8 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:50:08 PM |
4 |
1286.00 |
CEUX |
191
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:50:08 PM |
3 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:50:08 PM |
4 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:50:08 PM |
6 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:50:08 PM |
3 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:50:32 PM |
13 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:50:32 PM |
3 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:50:32 PM |
22 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:50:47 PM |
89 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:50:47 PM |
19 |
1287.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:50:50 PM |
88 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:50:50 PM |
4 |
1286.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:50:50 PM |
15 |
1286.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:50:50 PM |
7 |
1286.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:50:50 PM |
15 |
1287.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:50:50 PM |
16 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:50:50 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:50:50 PM |
4 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:50:50 PM |
6 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:50:50 PM |
63 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:51:03 PM |
93 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:51:09 PM |
7 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:51:09 PM |
3 |
1286.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:51:09 PM |
4 |
1286.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:51:09 PM |
9 |
1286.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:51:09 PM |
4 |
1286.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:51:09 PM |
92 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:51:09 PM |
4 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:51:09 PM |
2 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:51:33 PM |
2 |
1286.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:51:35 PM |
21 |
1286.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:51:35 PM |
17 |
1286.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:51:39 PM |
4 |
1286.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:51:45 PM |
36 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:51:45 PM |
93 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:52:51 PM |
5 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:52:51 PM |
46 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:52:51 PM |
15 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:52:51 PM |
37 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:52:51 PM |
4 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:52:51 PM |
7 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:52:51 PM |
2 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:52:51 PM |
2 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:52:51 PM |
3 |
1286.00 |
CEUX |
192
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:52:51 PM |
6 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:52:51 PM |
69 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:53:01 PM |
46 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:01 PM |
20 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:01 PM |
37 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:02 PM |
46 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:02 PM |
11 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:02 PM |
37 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:02 PM |
36 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:53:02 PM |
36 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:53:03 PM |
46 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:03 PM |
36 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:53:04 PM |
40 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:04 PM |
37 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:04 PM |
40 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:04 PM |
32 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:53:07 PM |
95 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:07 PM |
22 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:10 PM |
17 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:25 PM |
20 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:25 PM |
72 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:25 PM |
27 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:25 PM |
46 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:25 PM |
37 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:53:25 PM |
55 |
1286.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:53:25 PM |
59 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:53:25 PM |
29 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:54:10 PM |
60 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:10 PM |
28 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:10 PM |
29 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:10 PM |
31 |
1286.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:54:10 PM |
36 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:54:10 PM |
1 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:54:10 PM |
14 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:54:10 PM |
75 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:54:11 PM |
17 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:11 PM |
13 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:11 PM |
37 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:11 PM |
42 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:11 PM |
37 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:11 PM |
16 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:11 PM |
46 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:11 PM |
18 |
1286.50 |
XCSE |
193
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:54:12 PM |
10 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:12 PM |
46 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:12 PM |
37 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:12 PM |
37 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:12 PM |
46 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:12 PM |
15 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:12 PM |
19 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:12 PM |
9 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:12 PM |
17 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:12 PM |
46 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:12 PM |
37 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:12 PM |
4 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:12 PM |
87 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:54:13 PM |
14 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:54:13 PM |
7 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:54:35 PM |
50 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
87 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
46 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
5 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
46 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
10 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
5 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
5 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
1 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
2 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
25 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
4 |
1286.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
15 |
1286.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
10 |
1286.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
4 |
1286.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
3 |
1286.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
5 |
1286.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
13 |
1286.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
3 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
24 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
7 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
7 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
2 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
14 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
5 |
1284.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
6 |
1284.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
21 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
69 |
1286.00 |
CEUX |
194
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
4 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:00 PM |
32 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:03 PM |
33 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:03 PM |
52 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:03 PM |
1 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:03 PM |
5 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:07 PM |
46 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:07 PM |
6 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:07 PM |
3 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:07 PM |
16 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:07 PM |
16 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:07 PM |
30 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:07 PM |
26 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:07 PM |
24 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:07 PM |
5 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:07 PM |
15 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:07 PM |
5 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:07 PM |
37 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
47 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
12 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
4 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
6 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
2 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
4 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
7 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
2 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
2 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
19 |
1284.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
3 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
10 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
3 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
3 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
4 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
6 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
5 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:23 PM |
3 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:55:24 PM |
91 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:24 PM |
26 |
1284.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:55:25 PM |
14 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:55:33 PM |
9 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:56:25 PM |
46 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:56:25 PM |
46 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:56:41 PM |
15 |
1285.00 |
XCSE |
195
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:57:00 PM |
87 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:57:25 PM |
36 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:57:27 PM |
14 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:57:54 PM |
90 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:57:54 PM |
53 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:57:54 PM |
5 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:57:55 PM |
2 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:57:55 PM |
8 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:57:55 PM |
2 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:57:55 PM |
2 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:57:55 PM |
3 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:57:55 PM |
4 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:57:55 PM |
12 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:57:55 PM |
7 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:57:55 PM |
6 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:57:55 PM |
2 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:57:55 PM |
2 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:57:55 PM |
2 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:57:55 PM |
10 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:57:55 PM |
6 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:58:05 PM |
92 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:58:21 PM |
39 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:58:21 PM |
35 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:58:21 PM |
37 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:58:21 PM |
37 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:58:34 PM |
22 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:58:34 PM |
37 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:58:34 PM |
16 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:58:34 PM |
14 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:58:34 PM |
14 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:58:34 PM |
87 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:58:55 PM |
22 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:58:55 PM |
66 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:58:55 PM |
35 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:58:55 PM |
35 |
1285.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:58:55 PM |
87 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:59:35 PM |
15 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:59:35 PM |
74 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:59:35 PM |
88 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:59:35 PM |
4 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:59:35 PM |
23 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:59:35 PM |
28 |
1284.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
3:59:35 PM |
3 |
1283.50 |
CEUX |
196
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
3:59:35 PM |
1 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:59:48 PM |
18 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
3:59:48 PM |
46 |
1282.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
3:59:48 PM |
90 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:59:48 PM |
12 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:59:48 PM |
3 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
3:59:58 PM |
16 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:00:20 PM |
26 |
1282.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:00:26 PM |
100 |
1282.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:00:26 PM |
45 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:00:26 PM |
71 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:00:26 PM |
1 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:00:27 PM |
25 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:00:27 PM |
30 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:00:27 PM |
7 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:00:27 PM |
4 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:00:27 PM |
51 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:00:27 PM |
88 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:00:34 PM |
17 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:00:35 PM |
18 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:00:36 PM |
71 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:01:05 PM |
7 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:01:19 PM |
86 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:19 PM |
9 |
1281.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:01:27 PM |
5 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:35 PM |
88 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:35 PM |
37 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:35 PM |
66 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:35 PM |
22 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:35 PM |
16 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:35 PM |
17 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:35 PM |
14 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:35 PM |
32 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:35 PM |
16 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:36 PM |
32 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:36 PM |
14 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:36 PM |
14 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:36 PM |
17 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:36 PM |
37 |
1281.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:01:45 PM |
88 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:02:00 PM |
88 |
1279.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:02:00 PM |
36 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:02:00 PM |
50 |
1280.00 |
CEUX |
197
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:02:01 PM |
15 |
1279.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:02:02 PM |
39 |
1279.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:02:02 PM |
1 |
1279.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:02:02 PM |
16 |
1279.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:02:02 PM |
36 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:02:20 PM |
7 |
1279.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:02:35 PM |
34 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:02:35 PM |
59 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:02:43 PM |
46 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:03:35 PM |
89 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:03:35 PM |
1 |
1280.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:03:42 PM |
3 |
1280.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:03:43 PM |
19 |
1281.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:03:43 PM |
24 |
1281.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:03:53 PM |
38 |
1282.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:03:53 PM |
2 |
1282.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:03:54 PM |
12 |
1282.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:03:54 PM |
25 |
1282.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:03:54 PM |
68 |
1282.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:03:59 PM |
24 |
1282.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:04:06 PM |
15 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:05:05 PM |
46 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:05:05 PM |
13 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:05:05 PM |
8 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:05:05 PM |
26 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:05:14 PM |
87 |
1282.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:05:14 PM |
58 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:05:17 PM |
35 |
1282.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:06:35 PM |
86 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:06:35 PM |
40 |
1284.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:06:35 PM |
27 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:06:35 PM |
1 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:07:16 PM |
16 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:07:16 PM |
2 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:07:19 PM |
10 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:07:19 PM |
4 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:07:35 PM |
91 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:07:35 PM |
55 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:07:35 PM |
46 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:07:35 PM |
15 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:07:35 PM |
1 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:07:35 PM |
25 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:07:35 PM |
15 |
1285.00 |
XCSE |
198
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:07:35 PM |
5 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:07:35 PM |
91 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:07:39 PM |
46 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:07:39 PM |
24 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:07:44 PM |
46 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:07:44 PM |
3 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:07:44 PM |
30 |
1284.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:07:50 PM |
46 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:07:52 PM |
4 |
1284.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:08:05 PM |
35 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:05 PM |
46 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:05 PM |
6 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:08:05 PM |
21 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:08:05 PM |
4 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:08:05 PM |
9 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:08:05 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:08:09 PM |
35 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:09 PM |
46 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:09 PM |
35 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:09 PM |
46 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:09 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:08:09 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:08:10 PM |
35 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:10 PM |
35 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:10 PM |
47 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:10 PM |
15 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:10 PM |
16 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:10 PM |
4 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:10 PM |
3 |
1284.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:08:55 PM |
90 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:55 PM |
29 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:08:58 PM |
100 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:58 PM |
14 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:58 PM |
16 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:08:58 PM |
101 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:09:19 PM |
37 |
1284.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:09:19 PM |
84 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:09:19 PM |
7 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:10:01 PM |
92 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:10:01 PM |
34 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:10:01 PM |
16 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:10:01 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:10:01 PM |
50 |
1285.00 |
CEUX |
199
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:10:06 PM |
21 |
1284.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:10:42 PM |
2 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:10:42 PM |
2 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:10:42 PM |
2 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:10:42 PM |
16 |
1284.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:10:42 PM |
4 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:10:42 PM |
20 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:10:42 PM |
8 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:10:43 PM |
37 |
1284.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:10:53 PM |
2 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:10:53 PM |
2 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:10:53 PM |
85 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:10:54 PM |
22 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:10:59 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:11:16 PM |
34 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:11:16 PM |
22 |
1284.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:11:16 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:11:17 PM |
18 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:11:27 PM |
6 |
1284.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:11:27 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:11:27 PM |
51 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
12 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
10 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
46 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
91 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
2 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
2 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
10 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
3 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
11 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
9 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
7 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
3 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
4 |
1284.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
3 |
1284.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
5 |
1284.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:11:33 PM |
38 |
1284.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:11:48 PM |
15 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:11:51 PM |
12 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:11:51 PM |
12 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:13:06 PM |
2 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:11 PM |
39 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:11 PM |
20 |
1284.00 |
XCSE |
200
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:13:11 PM |
7 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:19 PM |
46 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:19 PM |
4 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:19 PM |
5 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:19 PM |
15 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:19 PM |
15 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:19 PM |
32 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:19 PM |
10 |
1283.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:13:19 PM |
11 |
1283.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:13:19 PM |
25 |
1283.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:13:19 PM |
1 |
1283.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:13:19 PM |
93 |
1283.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
34 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
16 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
46 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
18 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
3 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
17 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
22 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
46 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
14 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
15 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
3 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
10 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
46 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
8 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
13 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
37 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:20 PM |
3 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:21 PM |
14 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:21 PM |
46 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:21 PM |
18 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:21 PM |
28 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:25 PM |
14 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:25 PM |
12 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:30 PM |
36 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:13:30 PM |
9 |
1283.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:13:44 PM |
93 |
1283.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:44 PM |
13 |
1283.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:13:44 PM |
4 |
1283.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:13:45 PM |
46 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:45 PM |
35 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:45 PM |
10 |
1283.50 |
XCSE |
201
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:13:45 PM |
3 |
1283.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:13:59 PM |
3 |
1282.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:14:25 PM |
26 |
1284.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:14:25 PM |
36 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:14:25 PM |
25 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:15:21 PM |
31 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:15:21 PM |
35 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:15:21 PM |
3 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:15:21 PM |
17 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:15:21 PM |
34 |
1284.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:15:21 PM |
20 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:15:21 PM |
13 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:15:35 PM |
42 |
1284.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:16:10 PM |
87 |
1285.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:16:10 PM |
5 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:16:10 PM |
4 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:16:10 PM |
3 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:16:10 PM |
2 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:16:10 PM |
2 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:16:10 PM |
7 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:16:10 PM |
3 |
1284.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:16:10 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:16:10 PM |
25 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:16:10 PM |
50 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:16:10 PM |
9 |
1284.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:16:10 PM |
42 |
1284.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:16:12 PM |
46 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:16:12 PM |
15 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:16:17 PM |
18 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:16:20 PM |
92 |
1284.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:16:20 PM |
36 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:17:06 PM |
89 |
1284.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:17:19 PM |
77 |
1284.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:17:24 PM |
34 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:17:24 PM |
12 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:17:24 PM |
20 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:17:24 PM |
6 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:17:39 PM |
36 |
1285.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:18:05 PM |
43 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:05 PM |
45 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:05 PM |
6 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:05 PM |
2 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:05 PM |
3 |
1285.50 |
XCSE |
202
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:18:05 PM |
2 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:05 PM |
2 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:18:05 PM |
2 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:18:05 PM |
2 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:18:05 PM |
5 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:18:05 PM |
26 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:18:05 PM |
13 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:18:05 PM |
88 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:18:05 PM |
4 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:18:05 PM |
5 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:18:35 PM |
7 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:35 PM |
9 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:35 PM |
90 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:35 PM |
4 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:18:35 PM |
8 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:18:35 PM |
2 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:18:35 PM |
13 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:18:37 PM |
35 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:37 PM |
46 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:37 PM |
36 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:18:38 PM |
46 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:38 PM |
23 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:38 PM |
67 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:38 PM |
23 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:38 PM |
4 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:39 PM |
31 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:39 PM |
46 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:39 PM |
18 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:18:49 PM |
16 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:18:57 PM |
17 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:19:04 PM |
46 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:19:04 PM |
36 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:19:25 PM |
87 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:19:25 PM |
46 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:19:25 PM |
41 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:19:29 PM |
17 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:19:59 PM |
9 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:20:27 PM |
93 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:21:00 PM |
75 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:21:00 PM |
13 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:21:23 PM |
18 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:21:23 PM |
38 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:21:29 PM |
26 |
1287.00 |
TQEX |
203
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:21:35 PM |
87 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:21:35 PM |
31 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:21:45 PM |
12 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:21:45 PM |
79 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:22:05 PM |
22 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:22:05 PM |
18 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:22:05 PM |
83 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:22:52 PM |
25 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:22:52 PM |
5 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:22:55 PM |
80 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:23:08 PM |
11 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:23:25 PM |
88 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:23:25 PM |
25 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:23:25 PM |
54 |
1287.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:24:15 PM |
86 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:24:15 PM |
46 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:24:15 PM |
16 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:24:15 PM |
2 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:24:15 PM |
93 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:24:15 PM |
42 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:24:15 PM |
19 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:24:15 PM |
33 |
1287.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:24:58 PM |
38 |
1288.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:25:04 PM |
33 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:25:04 PM |
27 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:25:05 PM |
35 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:25:05 PM |
26 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:25:05 PM |
46 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:25:06 PM |
46 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:25:06 PM |
20 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:25:06 PM |
18 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:25:06 PM |
15 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:25:08 PM |
10 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:25:08 PM |
46 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:25:55 PM |
89 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:25:55 PM |
93 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:26:19 PM |
43 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:19 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:26:19 PM |
17 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:26:19 PM |
16 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:26:19 PM |
23 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:26:20 PM |
26 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:20 PM |
18 |
1287.50 |
XCSE |
204
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:26:20 PM |
46 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:20 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:26:23 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:26:55 PM |
46 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:55 PM |
21 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:55 PM |
15 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:55 PM |
35 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:55 PM |
7 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:55 PM |
25 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:55 PM |
46 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:55 PM |
15 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:55 PM |
16 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:55 PM |
8 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:55 PM |
34 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:26:56 PM |
8 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:56 PM |
17 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:56 PM |
15 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:56 PM |
46 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:26:56 PM |
22 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:27:15 PM |
91 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:27:15 PM |
8 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:27:15 PM |
17 |
1286.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:27:15 PM |
9 |
1286.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:27:36 PM |
31 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:27:36 PM |
24 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:27:36 PM |
9 |
1286.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:27:36 PM |
36 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:27:36 PM |
52 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:27:42 PM |
14 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:27:42 PM |
18 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:27:55 PM |
15 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:28:29 PM |
24 |
1286.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:28:52 PM |
46 |
1286.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:28:55 PM |
5 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:28:55 PM |
36 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:28:55 PM |
86 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:28:56 PM |
26 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:29:10 PM |
30 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:29:49 PM |
86 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:29:49 PM |
8 |
1285.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:30:15 PM |
12 |
1285.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:31:04 PM |
88 |
1285.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:31:04 PM |
35 |
1286.00 |
XCSE |
205
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:31:04 PM |
46 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:31:04 PM |
45 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:31:04 PM |
7 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:31:04 PM |
35 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:31:04 PM |
30 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:31:04 PM |
89 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:31:04 PM |
30 |
1285.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:31:04 PM |
36 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:31:04 PM |
9 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:31:04 PM |
9 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:31:05 PM |
23 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:31:05 PM |
46 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:31:25 PM |
21 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:31:25 PM |
7 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:32:02 PM |
46 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:32:02 PM |
40 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:32:02 PM |
3 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:32:02 PM |
45 |
1288.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:32:15 PM |
30 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:32:46 PM |
40 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:32:46 PM |
51 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:32:46 PM |
52 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:32:46 PM |
32 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:33:15 PM |
48 |
1287.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:33:15 PM |
13 |
1287.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:33:15 PM |
34 |
1287.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:33:16 PM |
10 |
1287.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:33:24 PM |
39 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:33:24 PM |
35 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:33:24 PM |
13 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:33:24 PM |
28 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:33:24 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:33:24 PM |
17 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:33:25 PM |
46 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:33:25 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:33:26 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:33:26 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:33:29 PM |
5 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:33:29 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:33:30 PM |
17 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:33:36 PM |
14 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:33:36 PM |
43 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:33:53 PM |
81 |
1288.00 |
CEUX |
206
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:34:07 PM |
12 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:34:22 PM |
90 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:34:22 PM |
35 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:34:22 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:34:22 PM |
44 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:34:23 PM |
7 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:34:29 PM |
2 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:34:32 PM |
35 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:34:32 PM |
35 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:34:32 PM |
35 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:34:55 PM |
47 |
1286.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:35:35 PM |
13 |
1286.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:35:35 PM |
43 |
1286.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:35:48 PM |
35 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:35:48 PM |
52 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:35:48 PM |
9 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:35:48 PM |
36 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:35:49 PM |
21 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:36:15 PM |
46 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:15 PM |
16 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:15 PM |
58 |
1286.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:36:15 PM |
26 |
1286.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:36:16 PM |
32 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:16 PM |
7 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:16 PM |
46 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:16 PM |
16 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:16 PM |
36 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:36:18 PM |
46 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:18 PM |
16 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:18 PM |
37 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:22 PM |
25 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:22 PM |
46 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:22 PM |
37 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:23 PM |
46 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:23 PM |
37 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:23 PM |
17 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:23 PM |
17 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:23 PM |
19 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:23 PM |
19 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:23 PM |
46 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:23 PM |
33 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:23 PM |
17 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:23 PM |
16 |
1287.00 |
XCSE |
207
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:36:23 PM |
46 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:23 PM |
16 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:23 PM |
22 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:24 PM |
19 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:24 PM |
46 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:24 PM |
16 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:24 PM |
15 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:24 PM |
21 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:24 PM |
16 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:24 PM |
46 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:24 PM |
15 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:24 PM |
37 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:24 PM |
3 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:25 PM |
14 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:25 PM |
37 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:25 PM |
46 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:26 PM |
37 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:26 PM |
46 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:28 PM |
16 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:28 PM |
37 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:28 PM |
46 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:28 PM |
37 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:28 PM |
46 |
1287.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:45 PM |
79 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:36:45 PM |
3 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:36:45 PM |
9 |
1286.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:36:46 PM |
87 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:36:46 PM |
34 |
1286.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:36:47 PM |
42 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:36:47 PM |
22 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:36:47 PM |
9 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:36:47 PM |
8 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:36:47 PM |
9 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:37:05 PM |
73 |
1286.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:37:05 PM |
36 |
1286.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:37:16 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:37:17 PM |
4 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:37:20 PM |
69 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:37:20 PM |
1 |
1287.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:37:20 PM |
87 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:37:56 PM |
59 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:37:56 PM |
29 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:37:56 PM |
80 |
1289.00 |
CEUX |
208
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:38:04 PM |
36 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:38:05 PM |
36 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:38:09 PM |
91 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:38:09 PM |
15 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:38:35 PM |
3 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:38:35 PM |
37 |
1288.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:38:38 PM |
9 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:38:38 PM |
24 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:38:38 PM |
26 |
1288.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:38:38 PM |
36 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:39:13 PM |
36 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:39:17 PM |
35 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:39:17 PM |
6 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:39:17 PM |
23 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:39:17 PM |
14 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:39:23 PM |
16 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:39:45 PM |
58 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:40:08 PM |
7 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:40:08 PM |
6 |
1288.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:40:08 PM |
6 |
1288.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:41:25 PM |
24 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:41:25 PM |
66 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:41:26 PM |
36 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:41:26 PM |
36 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:41:27 PM |
36 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:41:59 PM |
48 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:43:05 PM |
92 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:43:05 PM |
34 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:43:05 PM |
28 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:43:05 PM |
86 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:43:05 PM |
51 |
1290.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:43:25 PM |
20 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:43:25 PM |
17 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:43:25 PM |
46 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:43:43 PM |
16 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:43:43 PM |
4 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:43:43 PM |
4 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:43:43 PM |
2 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:43:46 PM |
18 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:43:46 PM |
25 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:43:46 PM |
12 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:43:47 PM |
7 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:43:49 PM |
36 |
1290.50 |
CEUX |
209
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:44:09 PM |
89 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:44:49 PM |
92 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:44:49 PM |
25 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:44:49 PM |
30 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:44:49 PM |
40 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:44:49 PM |
35 |
1291.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:45:07 PM |
88 |
1291.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:45:19 PM |
39 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:45:19 PM |
54 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:45:19 PM |
12 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:45:19 PM |
27 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:45:19 PM |
4 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:45:19 PM |
52 |
1290.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:45:19 PM |
4 |
1290.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:45:45 PM |
79 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:45:45 PM |
2 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:46:05 PM |
6 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:46:09 PM |
3 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:46:09 PM |
3 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:46:09 PM |
13 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:46:09 PM |
5 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:46:09 PM |
7 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:46:09 PM |
7 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:46:09 PM |
3 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:46:09 PM |
4 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:46:09 PM |
8 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:46:09 PM |
4 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:46:09 PM |
25 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:46:12 PM |
90 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:46:12 PM |
6 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:46:12 PM |
36 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:46:12 PM |
46 |
1290.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:46:35 PM |
8 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:46:37 PM |
35 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:47:05 PM |
28 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:47:05 PM |
61 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:47:11 PM |
13 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:47:11 PM |
36 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:47:13 PM |
18 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:47:13 PM |
46 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:47:13 PM |
23 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:47:13 PM |
36 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:47:13 PM |
8 |
1290.50 |
CEUX |
210
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:47:13 PM |
18 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:47:13 PM |
25 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:47:14 PM |
13 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:47:14 PM |
36 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:47:25 PM |
77 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:47:55 PM |
89 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:47:55 PM |
15 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:47:55 PM |
10 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:48:04 PM |
22 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:48:04 PM |
4 |
1290.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:48:04 PM |
40 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:48:10 PM |
4 |
1290.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:48:35 PM |
13 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:48:35 PM |
79 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:48:39 PM |
14 |
1290.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:48:39 PM |
86 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:48:39 PM |
45 |
1290.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:48:41 PM |
3 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:48:41 PM |
7 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:48:41 PM |
86 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:48:48 PM |
35 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:48:48 PM |
26 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:48:48 PM |
46 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:48:48 PM |
36 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:48:53 PM |
7 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:48:53 PM |
35 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:48:54 PM |
18 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:48:54 PM |
22 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:48:54 PM |
46 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:48:58 PM |
17 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:48:58 PM |
46 |
1290.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:49:00 PM |
15 |
1290.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:49:00 PM |
15 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:49:15 PM |
87 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:49:15 PM |
25 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:49:15 PM |
3 |
1289.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:49:15 PM |
39 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:49:15 PM |
49 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:49:20 PM |
29 |
1289.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:49:55 PM |
9 |
1288.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:49:55 PM |
47 |
1288.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:49:55 PM |
72 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:49:55 PM |
21 |
1288.50 |
CEUX |
211
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:49:58 PM |
18 |
1288.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:50:00 PM |
46 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:05 PM |
43 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:05 PM |
2 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:05 PM |
12 |
1288.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:50:09 PM |
17 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:09 PM |
46 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:09 PM |
36 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:50:09 PM |
12 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:50:18 PM |
46 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:18 PM |
20 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:18 PM |
37 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:18 PM |
29 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:19 PM |
59 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:19 PM |
32 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:19 PM |
46 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:19 PM |
19 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
3 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
46 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
15 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
23 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
15 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
15 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
51 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
46 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
19 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
30 |
1287.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
44 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
36 |
1287.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
14 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
12 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
6 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
19 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
14 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
6 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:50:34 PM |
6 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:50:35 PM |
25 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:50:35 PM |
8 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:50:35 PM |
36 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:50:55 PM |
46 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:55 PM |
23 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:55 PM |
7 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:55 PM |
46 |
1288.00 |
XCSE |
212
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:50:55 PM |
45 |
1287.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:50:56 PM |
19 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:56 PM |
46 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:56 PM |
17 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:56 PM |
15 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:56 PM |
19 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:56 PM |
46 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:56 PM |
17 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:56 PM |
17 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:56 PM |
46 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:56 PM |
19 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:56 PM |
19 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:56 PM |
29 |
1287.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:50:56 PM |
1 |
1287.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:50:57 PM |
46 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:58 PM |
2 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:58 PM |
46 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:50:58 PM |
15 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:51:00 PM |
19 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:51:00 PM |
9 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:51:02 PM |
23 |
1288.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:51:14 PM |
1 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:51:14 PM |
3 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:51:14 PM |
46 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:51:14 PM |
19 |
1289.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:51:14 PM |
21 |
1288.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:51:14 PM |
7 |
1288.50 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:51:35 PM |
89 |
1288.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:51:35 PM |
26 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:51:35 PM |
7 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:51:35 PM |
26 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:51:35 PM |
16 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:51:35 PM |
48 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:51:35 PM |
13 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:51:35 PM |
15 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:51:35 PM |
88 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:51:35 PM |
36 |
1288.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:51:49 PM |
13 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:51:49 PM |
25 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:51:54 PM |
9 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:52:04 PM |
17 |
1290.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:52:04 PM |
49 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:52:06 PM |
26 |
1290.00 |
TQEX |
213
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:52:06 PM |
40 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:52:06 PM |
30 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:52:06 PM |
26 |
1290.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:52:08 PM |
36 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:52:12 PM |
36 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:52:13 PM |
35 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:52:13 PM |
3 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:52:13 PM |
46 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:52:13 PM |
33 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:52:13 PM |
1 |
1290.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:52:15 PM |
3 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:52:26 PM |
40 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:52:26 PM |
51 |
1289.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:52:26 PM |
36 |
1290.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:52:26 PM |
43 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:52:35 PM |
76 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:52:35 PM |
11 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:52:35 PM |
27 |
1289.00 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:52:39 PM |
26 |
1289.00 |
TQEX |
GENMAB A/S |
16-Apr-2025 |
4:53:44 PM |
8 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:53:44 PM |
36 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:53:44 PM |
43 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:53:54 PM |
9 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:53:54 PM |
52 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:53:54 PM |
8 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:53:54 PM |
8 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:53:54 PM |
25 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:53:54 PM |
35 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:53:54 PM |
4 |
1288.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:53:55 PM |
17 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:53:55 PM |
46 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:53:55 PM |
19 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:53:55 PM |
17 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:53:55 PM |
18 |
1288.50 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:53:56 PM |
9 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:54:14 PM |
3 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:54:14 PM |
30 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:54:14 PM |
49 |
1288.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:54:14 PM |
5 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:54:14 PM |
17 |
1289.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:54:14 PM |
69 |
1288.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:54:14 PM |
14 |
1288.50 |
AQEU |
GENMAB A/S |
16-Apr-2025 |
4:54:27 PM |
19 |
1289.50 |
CEUX |
214
Exhibit 99.1(a)
APPENDIX Share buy-back programme - Specification for April 14 – April 18, 2025

GENMAB A/S |
16-Apr-2025 |
4:54:27 PM |
12 |
1289.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:54:33 PM |
59 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:54:41 PM |
12 |
1291.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:54:42 PM |
14 |
1292.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:54:42 PM |
13 |
1292.00 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:54:42 PM |
69 |
1291.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:54:42 PM |
24 |
1291.50 |
CEUX |
GENMAB A/S |
16-Apr-2025 |
4:54:43 PM |
46 |
1292.00 |
XCSE |
GENMAB A/S |
16-Apr-2025 |
4:54:43 PM |
2 |
1292.00 |
XCSE |
215