TSMC controller reports initial share holdings

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD Controller Chih-Ho Chen filed an initial statement of beneficial ownership of the company’s common shares.

Accepted by SEC EDGAR 03/18/2026 - 06:11 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD Controller Chih-Ho Chen filed an initial statement of beneficial ownership of the company’s common shares. The Form 3 shows direct ownership of 5,259 common shares, plus indirect ownership of 363 common shares held by a spouse and 8,000 common shares held through Homewarm Advisory Co., Ltd. This filing establishes the controller’s equity position across both personal and related-entity holdings as of the reported date, without reporting any new share purchases or sales.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider Chen Chih-Ho

Role Controller

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

Holdings: Common Shares (2330.TW) — 5,259 shares (Direct); Common Shares (2330.TW) — 363 shares (Indirect, By Spouse); Common Shares (2330.TW) — 8,000 shares (Indirect, By Homewarm Advisory Co., Ltd.)

FAQ

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

What did TSM controller Chih-Ho Chen report in this Form 3 filing?

Chih-Ho Chen reported existing ownership of TSM common shares. The filing lists 5,259 shares held directly, 363 shares held indirectly through a spouse, and 8,000 shares held indirectly via Homewarm Advisory Co., Ltd., establishing his total reported beneficial holdings.

How many TSM shares does Chih-Ho Chen hold directly and indirectly?

The controller holds 5,259 TSM common shares directly. Indirectly, he reports 363 shares held by his spouse and 8,000 shares held by Homewarm Advisory Co., Ltd., reflecting both personal and related-entity ownership positions in the company.

Does this TSM Form 3 show any new share purchases or sales by Chih-Ho Chen?

This Form 3 does not show new purchases or sales. It functions as an initial statement of beneficial ownership, detailing existing direct and indirect holdings rather than reporting open-market transactions or option exercises involving TSM common shares.

How are indirect TSM share holdings reported for Chih-Ho Chen on this Form 3?

Indirect holdings are broken out by relationship. The filing attributes 363 TSM common shares to his spouse and 8,000 TSM common shares to Homewarm Advisory Co., Ltd., clarifying that some reported ownership is through related parties rather than solely in his own name.

What is the significance of a Form 3 filing for TSM executives like Chih-Ho Chen?

A Form 3 is an initial beneficial ownership report for insiders. For a TSM executive, it formally discloses how many company shares are held directly and through related parties, providing transparency into insider equity stakes at the start of their reporting obligations.

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
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1. Name and Address of Reporting Person^*

Chen Chih-Ho

(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)
	Controller

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)	5,259	D
Common Shares (2330.TW)	363	I	By Spouse
Common Shares (2330.TW)	8,000	I	By Homewarm Advisory Co., Ltd.

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:

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)