TSMC VP Ku Yao-Ching reports share holdings

Taiwan Semiconductor Manufacturing Co. Ltd. vice president Ku Yao-Ching filed an initial Form 3 reporting existing ownership of the company’s common shares.

Rhea-AI Filing Summary

Taiwan Semiconductor Manufacturing Co. Ltd. vice president Ku Yao-Ching filed an initial Form 3 reporting existing ownership of the company’s common shares. The filing shows indirect holdings of 131,000 shares through Wei Liang Asset Management Co. Ltd., 73,396 shares held by a spouse, and 30,851 shares held directly.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Ku Yao-Ching

Role VP

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

Holdings After Transaction: Common Shares (2330.TW) — 30,851 shares (Direct); Common Shares (2330.TW) — 73,396 shares (Indirect, By Spouse); Common Shares (2330.TW) — 131,000 shares (Indirect, By Wei Liang Asset Management Co. Ltd.)

Key Figures

Indirect shares via Wei Liang Asset Management: 131,000 shares Indirect shares held by spouse: 73,396 shares Directly held shares: 30,851 shares

3 metrics

Indirect shares via Wei Liang Asset Management 131,000 shares Common Shares (2330.TW) held indirectly

Indirect shares held by spouse 73,396 shares Common Shares (2330.TW) held indirectly

Directly held shares 30,851 shares Common Shares (2330.TW) held directly

Key Terms

Common Shares (2330.TW), indirect, nature_of_ownership

3 terms

Common Shares (2330.TW) financial

"security_title: "Common Shares (2330.TW)""

indirect financial

""direct_or_indirect": "I", "ownership_type": "indirect""

nature_of_ownership financial

""nature_of_ownership": "By Wei Liang Asset Management Co. Ltd.""

FAQ

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

What does the TSM Form 3 filing by Ku Yao-Ching show?

The Form 3 shows existing ownership of Taiwan Semiconductor shares by vice president Ku Yao-Ching. It lists direct and indirect holdings in common shares, providing investors with a baseline of the executive’s reported stake in the company.

How many Taiwan Semiconductor (TSM) shares does Ku Yao-Ching hold directly and indirectly?

The filing reports 30,851 common shares held directly. It also reports 131,000 shares held indirectly through Wei Liang Asset Management Co. Ltd. and 73,396 shares held indirectly by a spouse, all in Taiwan Semiconductor common shares.

What is the significance of indirect ownership in the TSM Form 3?

Indirect ownership indicates shares are held through another party or entity. In this filing, Ku Yao-Ching reports holdings via Wei Liang Asset Management Co. Ltd. and a spouse, clarifying that some Taiwan Semiconductor shares are not held in the executive’s own name.

Did the TSM Form 3 filing report any recent share purchases or sales?

The Form 3 presents holding entries rather than labeled purchases or sales. Transaction codes are shown as unknown, and the data focuses on the number of Taiwan Semiconductor common shares reported as owned after these entries.

What role does Ku Yao-Ching hold at Taiwan Semiconductor (TSM)?

The filing identifies Ku Yao-Ching as a vice president of Taiwan Semiconductor Manufacturing Co. Ltd. This officer status explains why the executive must report holdings in the company’s common shares on a Form 3.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/01/2026 - 07:39 AM EDT Learn about SEC filing dates

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^*

Ku Yao-Ching

(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)
06/01/2026

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)	30,851	D
Common Shares (2330.TW)	73,396	I	By Spouse
Common Shares (2330.TW)	131,000	I	By Wei Liang Asset Management 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	06/01/2026
	** 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)