TSMC (TSM) SVP Hou Yung-Chin details direct and indirect share stakes

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD executive files initial ownership report showing existing holdings rather than new trades. SVP and Deputy Co-COO Hou Yung-Chin reports direct ownership of 662,403 Common Shares (2330.TW), plus indirect interests through employee plans and family.

The filing lists 7,130 Common Shares held through an Employee Stock Purchase Plan trust and 20,190 Common Shares held by a trust funded under the Long-Term Incentive Bonus Plan, where he has investment control. A further 60,802 Common Shares are reported as indirectly owned through his spouse.

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^*

Hou Yung-Chin

(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 and Deputy Co-COO

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)	662,403	D
Common Shares (2330.TW)	7,130(1)	I	By ESPP Trust
Common Shares (2330.TW)	20,190(2)	I	By LTI Trust
Common Shares (2330.TW)	60,802	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.

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 Form 3 for TSM executive Hou Yung-Chin report?

The Form 3 reports existing share ownership by TSM SVP and Deputy Co-COO Hou Yung-Chin. It lists his direct holdings, shares in employee plans, and shares held indirectly through a trust and his spouse, without indicating any new purchases or sales.

How many TSM common shares does Hou Yung-Chin hold directly?

Hou Yung-Chin reports direct ownership of 662,403 TSM Common Shares (2330.TW). This figure reflects his personal holdings as of the Form 3 date and serves as a baseline for tracking any future changes in his ownership position.

What indirect TSM share holdings are reported for Hou Yung-Chin?

The filing shows 7,130 shares held via an Employee Stock Purchase Plan trust, 20,190 shares held by a Long-Term Incentive plan trust where he has investment control, and 60,802 shares reported as indirectly owned through his spouse.

Does the TSM Form 3 show any insider buying or selling by Hou Yung-Chin?

No specific insider buying or selling is shown. The Form 3 functions as an initial statement of beneficial ownership, listing Hou Yung-Chin’s direct and indirect holdings in TSM common shares without recording any new transactions or trade prices.

Why are ESPP and LTI plan trusts mentioned in Hou Yung-Chin’s TSM filing?

The ESPP and LTI trusts clarify how certain shares are held. Some shares were purchased and held under TSM’s Employee Stock Purchase Plan, while others were bought by a Long-Term Incentive Bonus Plan trust over which Hou Yung-Chin has investment control, reflecting compensation-related ownership.