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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

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1. Name and Address of Reporting Person* SPLINTER MICHAEL R (Last) (First) (Middle) NO. 8, LI-HSIN ROAD 6 HSINCHU SCIENCE PARK (Street) HSINCHU 300096 (City) (State) (Zip)	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 ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			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)
American Depositary Shares (TSM)(1)	7,565	D
American Depositary Shares (TSM)(1)	795	I	By Spouse's IRA
American Depositary Shares (TSM)(1)	245	I	See footnote(2)
American Depositary Shares (TSM)(1)	245	I	See footnote(3)
American Depositary Shares (TSM)(1)	245	I	See footnote(4)
American Depositary Shares (TSM)(1)	245	I	See footnote(5)
American Depositary Shares (TSM)(1)	245	I	See footnote(6)

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

2. The shares reported are owned by the Kylie Souria Fenske Irrevocable Trust, for which the reporting person serves as trustee and exercises investing authority over such shares.

3. The shares reported are owned by the Cole David Fenske Irrevocable Trust, for which the reporting person serves as trustee and exercises investing authority over such shares.

4. The shares reported are owned by the Avery Michael Splinter Irrevocable Trust, for which the reporting person serves as trustee and exercises investing authority over such shares

5. The shares reported are owned by the Samantha Lilia Roboostoff Irrevocable Trust, for which the reporting person serves as trustee and exercises investing authority over such shares.

6. The shares reported are owned by the Cash Fenske Irrevocable Trust, for which the reporting person serves as trustee and exercises investing authority over such 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.