TSMC SVP Wu Shien-Yang reports share holdings

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD senior vice president Shien-Yang Wu filed an initial Form 3 reporting existing equity holdings.

Accepted by SEC EDGAR 03/18/2026 - 06:07 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD senior vice president Shien-Yang Wu filed an initial Form 3 reporting existing equity holdings. He directly holds 630,228 Common Shares (2330.TW) and has additional indirect interests through an ESPP trust, an LTI trust, and spouse-held accounts, including American Depositary Shares where each ADS represents five Common Shares.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider Wu Shien-Yang

Role SVP

Type	Security	Shares	Price	Value
Holding	Common Shares (2330.TW)	--	--	--
Holding	Common Shares (2330.TW)	--	--	--
Holding	Common Shares (2330.TW)	--	--	--
Holding	Common Shares (2330.TW)	--	--	--
Holding	American Depositary Shares (TSM)	--	--	--

Holdings: Common Shares (2330.TW) — 630,228 shares (Direct); Common Shares (2330.TW) — 6,506 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 10,581 shares (Indirect, By LTI Trust); Common Shares (2330.TW) — 198,943 shares (Indirect, By Spouse); American Depositary Shares (TSM) — 90 shares (Indirect, By Spouse)

Footnotes (3)

1. F1. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").
2. F2. Represents Common Shares purchased by a trust with cash received under the issuer's Long-Term Incentive ("LTI") Bonus Plan, over which the filer has obtained investment control.
3. F3. Each American Depositary Share represents five (5) Common Shares.

FAQ

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

What does the Form 3 filing by TSM SVP Shien-Yang Wu show?

The Form 3 shows Shien-Yang Wu’s existing ownership in Taiwan Semiconductor, including direct Common Shares and indirect holdings via employee plans and spouse accounts. It is an initial ownership report and does not itself disclose new share purchases or sales.

How many TSM Common Shares does Shien-Yang Wu hold directly?

Shien-Yang Wu holds 630,228 Common Shares (2330.TW) directly. This figure represents his personal stake in the issuer’s common equity, separate from additional indirect positions held through trusts and a spouse, which are reported as indirect beneficial ownership.

What indirect TSM holdings are reported for Shien-Yang Wu on Form 3?

Indirect positions include Common Shares held by an ESPP trust, an LTI trust where he has investment control, and shares and American Depositary Shares held by his spouse. These are classified as indirect ownership interests associated with his relationship to those trusts and accounts.

How are American Depositary Shares (ADS) for TSM described in the filing?

The filing notes that each American Depositary Share of Taiwan Semiconductor represents five Common Shares. Wu’s spouse holds ADSs indirectly attributed to him, providing exposure to the company’s equity through the U.S.-traded depositary share structure tied to underlying common stock.

Does the TSM Form 3 for Shien-Yang Wu indicate any recent insider trades?

The entries are labeled as holdings with no transaction codes and transaction shares shown as not specified, so the disclosure focuses on reporting existing ownership levels rather than documenting specific recent insider purchases, sales, or option exercises in this particular Form 3.

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

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SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Wu Shien-Yang

(Last) (First) (Middle)

NO. 8, LI-HSIN ROAD 6

HSINCHU SCIENCE PARK

(Street)

HSINCHU TAIWAN 300096

(City) (State) (Zip)

TAIWAN, PROVINCE OF CHINA

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD [ TSM ]

3a. Foreign Trading Symbol
[2330.TW]

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Shares (2330.TW)	630,228	D
Common Shares (2330.TW)	6,506(1)	I	By ESPP Trust
Common Shares (2330.TW)	10,581(2)	I	By LTI Trust
Common Shares (2330.TW)	198,943	I	By Spouse
American Depositary Shares (TSM)(3)	90	I	By Spouse

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").

2. Represents Common Shares purchased by a trust with cash received under the issuer's Long-Term Incentive ("LTI") Bonus Plan, over which the filer has obtained investment control.

3. Each American Depositary Share represents five (5) Common Shares.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Jen-Chau Huang, as attorney-in-fact	03/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)