1934 Act Registration No. 1-14700

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 6-K

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REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

For the month of March 2026

(Commission File Number: 001-14700)

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Taiwan Semiconductor Manufacturing Company Limited

(Translation of Registrant’s Name Into English)

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No. 8, Li-Hsin Road 6

Hsinchu Science Park

Hsinchu 300-096, Taiwan
Republic of China

(Address of Principal Executive Offices)

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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

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

SIGNATURES

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.

Taiwan Semiconductor Manufacturing Company Limited

Date: March 25, 2026

/s/ Wendell Huang

Wendell Huang

Senior Vice President and Chief Financial Officer

Taiwan Semiconductor Manufacturing Company Limited

("TSMC"; NYSE: TSM)

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; 5) the unsecured bonds issued by TSMC and its subsidiaries and 6) the cancellation of TSMC common shares for the month of February 2026.

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
		1/31/2026	2/28/2026
Vice President	Jonathan Lee	485,797	486,022	225
Vice President	B.Z. Tien	3,051	5,051	2,000
Vice President	Lipen Yuan	3,180	3,600	420

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: None.

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

(1) Fixed-income investment: NT$3.5 billion of acquisition.

(2) Machinery equipment: NT$1.2 billion of disposition.

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

(1) Machinery equipment for advanced technology capacity: US$18,921 million.

(2) Machinery equipment for advanced packaging, mature and/or specialty technology capacity: US$4,670 million.

(3) Real estate and capitalized leased assets: US$21,372 million.

5.The unsecured bonds issued by TSMC and its subsidiaries: None.

6.The cancellation of TSMC common shares: None.

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD 6-K