TSMC (NYSE: TSM) VP Chuang Tzu-Sou details direct and trust share ownership

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD officer Chuang Tzu-Sou, a VP, reported his share holdings in a Form 3. He holds 2,695,165 Common Shares (2330.TW) directly, plus 5,562 shares through an Employee Stock Purchase Plan trust and 7,036 shares through a Long-Term Incentive bonus plan trust.

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

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1. Name and Address of Reporting Person^*

Chuang Tzu-Sou

(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)
	VP

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)	2,695,165	D
Common Shares (2330.TW)	5,562(1)	I	By ESPP Trust
Common Shares (2330.TW)	7,036(2)	I	By LTI Trust

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.

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)

FAQ

What does the TSM Form 3 filing by VP Chuang Tzu-Sou show?

The Form 3 shows VP Chuang Tzu-Sou’s existing ownership in TSM Common Shares. It reports direct holdings and shares held through an Employee Stock Purchase Plan trust and a Long-Term Incentive bonus plan trust, without indicating any recent purchases or sales.

How many TSM shares does Chuang Tzu-Sou hold directly?

Chuang Tzu-Sou directly holds 2,695,165 TSM Common Shares (2330.TW). This figure reflects his personal registered ownership as reported in the Form 3 and does not include additional shares held indirectly through employee-related trusts.

What indirect TSM share holdings are reported for Chuang Tzu-Sou?

The filing reports 5,562 TSM Common Shares held indirectly through an Employee Stock Purchase Plan trust and 7,036 shares held through a Long-Term Incentive bonus plan trust. These represent employee-related program holdings associated with Chuang Tzu-Sou.

Does the TSM Form 3 for Chuang Tzu-Sou disclose any stock transactions?

The Form 3 does not disclose specific buy or sell transactions. It primarily establishes Chuang Tzu-Sou’s existing direct and indirect ownership levels in TSM Common Shares as of the reporting date, rather than reporting new trades.

What is the role of the ESPP and LTI trusts in TSM share ownership?

The Employee Stock Purchase Plan trust holds shares purchased under TSM’s ESPP, while the Long-Term Incentive bonus plan trust holds shares purchased with LTI bonus cash. Both trusts are vehicles through which Chuang Tzu-Sou has additional indirect TSM share exposure.