TSMC officer amends Form 3 share holdings

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD filed an amended Form 3 for officer Chen Chih-Ho to correct his reported ownership of common shares.

Accepted by SEC EDGAR 03/30/2026 - 06:35 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD filed an amended Form 3 for officer Chen Chih-Ho to correct his reported ownership of common shares. The amendment states that he owns 5,367 Common Shares (2330.TW), instead of the 5,259 shares originally reported. This change reflects a correction in previously disclosed holdings rather than a new purchase or sale.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider Chen Chih-Ho

Role Controller

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

Holdings: Common Shares (2330.TW) — 5,367 shares (Direct)

Footnotes (1)

1. F1. The amount of common shares owned was inadvertently misreported as 5,259 shares in the reporting person's original Form 3.

FAQ

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

What does the amended Form 3/A for TSM disclose about Chen Chih-Ho?

The amended Form 3 updates Controller Chen Chih-Ho’s reported holdings to 5,367 common shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD. It corrects an earlier misreport and does not reflect a new transaction or change in economic position.

How many TSM common shares does Chen Chih-Ho now report owning?

Chen Chih-Ho now reports owning 5,367 common shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD. This figure comes from the amended Form 3 and replaces the previously reported 5,259 shares disclosed in his original ownership filing.

What error did TSM’s amended Form 3/A correct in the original filing?

The amended Form 3 corrects an ownership error where Chen Chih-Ho’s common share holdings were inadvertently reported as 5,259 shares. The amendment clarifies that his actual position is 5,367 common shares, adjusting only the disclosure rather than any transaction.

Does TSM’s Form 3/A for Chen Chih-Ho show any insider buying or selling?

The Form 3/A does not show insider buying or selling activity. It records a holding entry with 5,367 common shares following the reported position and explains via footnote that the earlier 5,259-share figure was inadvertently misreported in the original Form 3.

Is Chen Chih-Ho a director or officer of TSM in this Form 3/A filing?

In this filing, Chen Chih-Ho is identified as an officer of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, serving in the role of Controller. The amendment focuses on correcting his reported common share ownership rather than changing his role or responsibilities.

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^*

Chen Chih-Ho

(Last) (First) (Middle)

NO. 8, LI-HSIN ROAD 6

HSINCHU SCIENCE PARK

(Street)

HSINCHU TAIWAN 300096

(City) (State) (Zip)

TAIWAN

(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)
03/18/2026

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)	5,367(1)	D

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. The amount of common shares owned was inadvertently misreported as 5,259 shares in the reporting person's original Form 3.

Remarks:

	/s/ Jen-Chau Huang, as attorney-in-fact	03/30/2026
	** 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)