1934 Act Registration No. 1-14700

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Hsinchu 300-096, Taiwan
Republic of China

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Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F  x            Form 40-F  o

Indicate by check mark if the registrant is submitting the Form 6-K in papers as permitted by Regulation S-T Rule 101(b)(1):o

("TSMC"; NYSE: TSM)

Indicate by check mark if the registrant is submitting the Form 6-K in papers as permitted by Regulation S-T Rule 101(b)(7):o This is to report 1) the changes in the shareholdings of TSMC board of directors, executive officers and shareholders who own more than 10% of total outstanding common shares of TSMC; 2) the changes in the pledge of TSMC common shares by TSMC board of directors, executive officers and shareholders who own more than 10% of total outstanding common shares of TSMC; 3) the acquisition and disposition of assets by TSMC and its subsidiaries; 4) the capital appropriations approved by TSMC board of directors and 5) the unsecured bonds issued by TSMC and its subsidiaries for the month of April 2025.

1.The changes in the shareholdings of TSMC board of directors, executive officers and shareholders who own more than 10% of total outstanding common shares of TSMC:

Title			Name			Number of shares held as of						Changes
						3/31/2025			4/30/2025
Chairman & Chief Executive Officer			C.C. Wei			7,505,395			7,525,395			20,000
Senior Vice President and Deputy Co-Chief Operating Officer / Chief Information Security Officer			Cliff Hou			619,568			619,846			278
Senior Vice President			Lora Ho			6,590,183			6,600,183			10,000
Senior Vice President and Chief Financial Officer			Wendell Huang			1,731,716			1,731,719			3
Vice President			Geoffrey Yeap			147,994			148,994			1,000
Vice President			Jonathan Lee			456,688			457,134			446
Vice President			L.C. Lu			242,031			245,031			3,000
Vice President			Ray Chuang			314,818			315,200			382

Note: Shareholdings include shares held by the related parties.

2.The changes in the pledge of TSMC common shares by TSMC board of directors, executive officers and shareholders who own more than 10% of total outstanding common shares of TSMC:

Title

Name

Number of shares held as of

Changes

3/31/2025

4/30/2025

Senior Vice President, General Counsel and Corporate Governance Officer

Sylvia Fang

50,000

100,000

50,000

3.The acquisition and disposition of assets by TSMC and its subsidiaries:

Fixed-income investment: NT$17.2 billion of acquisition.

4.The capital appropriations approved by TSMC board of directors: Inapplicable.

5.The unsecured bonds issued by TSMC and its subsidiaries: Inapplicable.