FALSE00013044923 Garret Mountain PlazaSuite 401Woodland ParkNJ00013044922024-04-192024-04-19

Date of Report (Date of earliest event reported): April 19, 2024

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12(b))

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

On April 19, 2024, the Board of Directors (the “Board”) of Anterix Inc. (the “Company”), in consideration of setting the date of the 2024 Annual Meeting of Stockholders of the Company (the “2024 Annual Meeting”), extended the date for stockholders to submit director nominations or proposals for consideration at the 2024 Annual Meeting. To be timely, stockholders have until June 30, 2024 to submit director nominations or proposals and otherwise comply with the requirements set forth in the Company’s Amended and Restated Bylaws (the “Bylaws”) in order to have such director nominations or proposals considered for election or consideration at the 2024 Annual Meeting. The Board has neither modified the information or other procedural requirements contained to the Bylaws for director nominations or proposals nor extended the deadline for stockholder proposals submitted pursuant to Rule 14a-8 of the Securities Exchange Act of 1934. The Company intends to announce the date of the 2024 Annual Meeting after it is set by the Board.

(d) Exhibits.

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 hereunto duly authorized.