TSMC (NYSE: TSM) eyes up to US$20B capital increase for Arizona arm

Rhea-AI Filing Summary

Taiwan Semiconductor Manufacturing Company Limited filed a Form 6-K as a foreign private issuer for May 2026. The filing highlights a Board resolution of its subsidiary, TSMC Arizona Corporation, adopted by written consent on May 12, 2026.

The resolution authorizes a capital increase of not more than US$20 billion in TSMC Arizona Corporation from Taiwan Semiconductor Manufacturing Co., Ltd., subject to approval of the competent authorities. This represents a major planned equity funding commitment to the U.S. subsidiary.

Insights

Semiconductor sector analyst

TSMC plans up to US$20B equity funding for its Arizona subsidiary, signaling substantial support for U.S. operations.

Taiwan Semiconductor Manufacturing Company Limited has approved a Board resolution for TSMC Arizona Corporation that permits a capital increase of not more than US$20 billion from the parent company. This is structured as additional equity funding, not debt, and remains subject to approval of the competent authorities.

The amount authorized is large in absolute terms, indicating a significant financial commitment to the Arizona subsidiary’s activities. Because the resolution specifies an upper limit, the actual capital deployed could be lower and will depend on future implementation decisions and regulatory approvals.

Investors may focus on how and when this planned capital increase is executed following the May 12, 2026 resolution and subsequent regulatory approvals, as that will clarify the pace and scale of TSMC’s financial support for the U.S. subsidiary.

Key Figures

Planned capital increase: not more than US$20 billion

1 metrics

Planned capital increase not more than US$20 billion Board resolution for TSMC Arizona Corporation on May 12, 2026

Key Terms

Form 6-K, foreign private issuer, capital increase, Board of Directors’ resolution

4 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.

capital increase financial

"A capital increase of not more than US$20 billion from Taiwan Semiconductor"

A capital increase is when a company raises new equity funding by issuing additional shares or otherwise expanding its ownership base. Investors watch these moves because they supply cash for growth, acquisitions or debt reduction, but they can also reduce each existing share’s ownership and claim on profits—like adding more slices to a pizza: the pie may grow, but each slice can become smaller unless overall value increases proportionally.

Board of Directors’ resolution regulatory

"Board of Directors’ Resolutions of TSMC Arizona Corporation, a subsidiary of TSMC"

Form 6-K: How Foreign Companies Report to the SEC →

1934 Act Registration No. 1-14700

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 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

For the month of May 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:   May 12, 2026

By

/s/ Wendell Huang

Wendell Huang

Senior Vice President and Chief Financial Officer

Board of Directors’ Resolutions of TSMC Arizona Corporation, a subsidiary of TSMC

TSMC Arizona Corporation adopted the following Board of Directors’ resolution by written consent without a meeting on May 12, 2026:

•Capital Increase: A capital increase of not more than US$20 billion from Taiwan Semiconductor Manufacturing Co., Ltd., subject to approval of the competent authorities.

FAQ

What did TSM (Taiwan Semiconductor) disclose in its May 2026 Form 6-K?

TSMC reported that its U.S. subsidiary, TSMC Arizona Corporation, adopted a Board resolution on May 12, 2026 authorizing a capital increase of not more than US$20 billion from the parent, subject to approval of the competent authorities, highlighting a major planned equity funding commitment.

How large is the planned capital increase for TSMC Arizona Corporation?

The Board resolution authorizes a capital increase of not more than US$20 billion for TSMC Arizona Corporation from Taiwan Semiconductor Manufacturing Co., Ltd. This represents a substantial potential equity injection, though the exact amount ultimately implemented will depend on future decisions and required approvals.

Who is providing the capital for TSMC Arizona’s planned increase?

The planned capital increase of not more than US$20 billion for TSMC Arizona Corporation is to come from Taiwan Semiconductor Manufacturing Co., Ltd. The resolution specifies this funding source and notes that the increase is subject to approval of the competent authorities before it can be implemented.

When was the TSMC Arizona capital increase resolution approved?

TSMC Arizona Corporation adopted the Board of Directors’ resolution by written consent without a meeting on May 12, 2026. This written consent approach formally authorizes the potential capital increase, pending approval of the competent authorities as referenced in the resolution language.

What type of issuer is TSM under this Form 6-K filing?

Taiwan Semiconductor Manufacturing Company Limited is identified as a foreign private issuer and files its annual reports under cover of Form 20-F. This Form 6-K corresponds to information for the month of May 2026 under the Securities Exchange Act of 1934 framework.