TSMC Arizona Treasurer Gina Proctor Steps Down

Taiwan Semiconductor Manufacturing Company Limited reported a management change at a key U.S. subsidiary.

Rhea-AI Filing Summary

Taiwan Semiconductor Manufacturing Company Limited reported a management change at a key U.S. subsidiary. Effective July 1, 2026 (July 2, 2026, Taipei Time), Gina Proctor’s position was adjusted and she will no longer serve as Treasurer of TSMC Arizona Corporation, a major subsidiary of TSMC. A new Treasurer will be announced after appointment by the Board of Directors of TSMC Arizona Corporation.

Key Terms

Form 6-K, foreign private issuer, TSMC Arizona Corporation, Board of Directors, +1 more

5 terms

Form 6-K regulatory

"FORM 6-K _____________________________ REPORT OF FOREIGN PRIVATE ISSUER"

A Form 6-K is a report that companies listed in certain countries file to provide important updates, such as financial results, corporate changes, or other significant information, to regulators and investors. It functions like an official company update or news release, helping investors stay informed about developments that could affect their investment decisions.

foreign private issuer regulatory

"REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

TSMC Arizona Corporation financial

"Treasurer of TSMC Arizona Corporation, a major subsidiary of TSMC"

Board of Directors financial

"following the appointment by the Board of Directors of TSMC Arizona Corporation"

The Board of Directors is a group of people chosen by a company's owners to help make big decisions and oversee how the company is run. They act like a team of advisors or managers, making sure the company stays on track and meets its goals. Their choices can influence the company's success and how it grows.

major subsidiary financial

"TSMC Arizona Corporation, a major subsidiary of TSMC"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What management change did TSM (Taiwan Semiconductor) report in this Form 6-K?

TSMC reported that Gina Proctor’s position has been adjusted and she will no longer serve as Treasurer of TSMC Arizona Corporation. The filing notes this change at a major subsidiary without providing additional details on responsibilities.

When did Gina Proctor cease serving as Treasurer of TSMC Arizona Corporation?

Gina Proctor ceased serving as Treasurer effective July 1, 2026, which corresponds to July 2, 2026, Taipei Time. This effective date is explicitly stated, marking when the change in her role at TSMC Arizona Corporation took place.

Which TSMC entity is affected by the treasurer change disclosed in the 6-K?

The change affects TSMC Arizona Corporation, described as a major subsidiary of Taiwan Semiconductor Manufacturing Company Limited. The filing specifies that this U.S. subsidiary will have a change in its Treasurer position following the Board’s appointment of a replacement.

How will the new Treasurer of TSMC Arizona Corporation be selected?

The new Treasurer will be announced after appointment by the Board of Directors of TSMC Arizona Corporation. The filing explains that the Board will first make the appointment, and only then will the company disclose the individual who assumes the role.

Who signed the TSM (TSMC) July 2026 Form 6-K reporting this change?

The Form 6-K was signed on behalf of Taiwan Semiconductor Manufacturing Company Limited by Wendell Huang. He is identified in the filing as Senior Vice President and Chief Financial Officer, confirming executive-level authorization of the report.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/02/2026 - 07:10 AM EDT Learn about SEC filing dates

1934 Act Registration No. 1-14700

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

_____________________________

FORM 6-K

_____________________________

REPORT OF FOREIGN PRIVATE ISSUER

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

THE SECURITIES EXCHANGE ACT OF 1934

For the month of July 2026

(Commission File Number: 001-14700)

_____________________________

Taiwan Semiconductor Manufacturing Company Limited

(Translation of Registrant’s Name Into English)

_____________________________

No. 8, Li-Hsin Road 6

Hsinchu Science Park

Hsinchu 300-096, Taiwan

Republic of China

(Address of Principal Executive Offices)

_____________________________

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:   July 2, 2026

By

/s/ Wendell Huang

Wendell Huang

Senior Vice President and Chief Financial Officer

Change of Treasurer of TSMC Arizona Corporation, a major subsidiary of TSMC

Effective July 1, 2026 (July 2, 2026, Taipei Time), Gina Proctor’s position has been adjusted, and she will no longer serve as the Treasurer of TSMC Arizona Corporation. A new Treasurer will be announced following the appointment by the Board of Directors of TSMC Arizona Corporation.