Taiwan Semiconductor controller buys via ESPP

Taiwan Semiconductor Manufacturing Co. Ltd. controller Chih-Ho Chen indirectly purchased 33 common shares on August 7, 2026 at $73.31 per share.

Rhea-AI Filing Summary

Taiwan Semiconductor Manufacturing Co. Ltd. controller Chih-Ho Chen indirectly purchased 33 common shares on August 7, 2026 at $73.31 per share. The shares were bought by the administrator of the company’s Employee Stock Purchase Plan under predetermined terms and are held in an ESPP trust, bringing that ESPP trust position to 170 shares. Separate entries show 5,367 shares held directly, 363 shares held indirectly by spouse, and 8,000 shares held indirectly through Homewarm Advisory Co., Ltd.

Insider Trade Summary

Net Buyer: 33 shares

Net Buy 4 txns

Insider Chen Chih-Ho

Role Controller

Bought 33 shs ($2K)

Type	Security	Shares	Price	Value
Purchase	Common Shares (2330.TW) F1, F2, F3	33	$73.31	$2K
holding	Common Shares (2330.TW)	--	--	--
holding	Common Shares (2330.TW)	--	--	--
holding	Common Shares (2330.TW)	--	--	--

Holdings After Transaction: Common Shares (2330.TW) — 170 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 5,367 shares (Direct); Common Shares (2330.TW) — 363 shares (Indirect, By Spouse); Common Shares (2330.TW) — 8,000 shares (Indirect, By Homewarm Advisory Co., Ltd.)

Footnotes (3)

1. F1. Common Shares purchased by the administrator of the issuer's Employee Stock Purchase Plan ("ESPP") on behalf of the filer pursuant to terms predetermined by the issuer.
2. F2. The price was translated from the average purchase price of NT$2,367.1117 in New Taiwan dollars, at the rate of NT$32.288 to US$1.
3. F3. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").

Key Figures

Shares purchased: 33 shares Purchase price: $73.31 per share Average purchase price in NT$: NT$2,367.1117 +4 more

7 metrics

Shares purchased 33 shares Common Shares (2330.TW) bought on August 7, 2026 via ESPP trust

Purchase price $73.31 per share Price for 33 common shares acquired through the ESPP

Average purchase price in NT$ NT$2,367.1117 Average ESPP purchase price translated at NT$32.288 to US$1

Direct common share holdings 5,367 shares Common shares held directly after reported transactions

ESPP trust holdings 170 shares Common shares purchased and held under the ESPP in trust

Spousal indirect holdings 363 shares Common shares held indirectly by spouse

Homewarm Advisory indirect holdings 8,000 shares Common shares held indirectly via Homewarm Advisory Co., Ltd.

Key Terms

Employee Stock Purchase Plan ("ESPP"), indirect ownership, average purchase price

3 terms

Employee Stock Purchase Plan ("ESPP") financial

"Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP")."

indirect ownership financial

"Shares reported as indirect ownership include holdings by ESPP Trust, spouse and Homewarm Advisory."

average purchase price financial

"The price was translated from the average purchase price of NT$2,367.1117 in New Taiwan dollars."

FAQ

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

What did TSM insider Chih-Ho Chen buy in this Form 4?

Chih-Ho Chen, controller of Taiwan Semiconductor Manufacturing (TSM), indirectly purchased 33 common shares on August 7, 2026. The shares were acquired through the company’s Employee Stock Purchase Plan (ESPP) and are held in an ESPP trust on his behalf.

What price did TSM’s controller pay per share in the ESPP purchase?

The reported purchase price was $73.31 per share for 33 common shares. A footnote states this reflects an average purchase price of NT$2,367.1117, translated at an exchange rate of NT$32.288 to US$1 from New Taiwan dollars.

How many TSM shares does Chih-Ho Chen hold directly after this transaction?

After the reported transactions, Chih-Ho Chen is listed as holding 5,367 common shares directly. This direct holding amount is separate from shares reported as held indirectly through an ESPP trust, a spouse, or Homewarm Advisory Co., Ltd.

What indirect TSM holdings does Chih-Ho Chen report besides the ESPP trust?

In addition to 170 shares in the ESPP trust, the filing lists 363 shares held indirectly by spouse and 8,000 shares held indirectly through Homewarm Advisory Co., Ltd.. These are reported as indirect ownership positions associated with the insider.

Was the TSM ESPP purchase made under a Rule 10b5-1 trading plan?

The transaction was executed under predetermined ESPP terms set by the issuer, but the Rule 10b5-1 checkbox is not marked as an affirmative plan. The footnotes describe plan-based purchasing, without characterizing it as a Rule 10b5-1 arrangement.

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Accepted by SEC EDGAR 08/10/2026 - 07:41 AM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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. Issuer Name and Ticker or Trading Symbol
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD [ TSM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Controller

2a. Foreign Trading Symbol
[2330.TW]

3. Date of Earliest Transaction (Month/Day/Year)
08/07/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Shares (2330.TW)								5,367	D
Common Shares (2330.TW)	08/07/2026(1)		P		33	A	$73.31(2)	170(3)	I	By ESPP Trust
Common Shares (2330.TW)								363	I	By Spouse
Common Shares (2330.TW)								8,000	I	By Homewarm Advisory Co., Ltd.

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Common Shares purchased by the administrator of the issuer's Employee Stock Purchase Plan ("ESPP") on behalf of the filer pursuant to terms predetermined by the issuer.

2. The price was translated from the average purchase price of NT$2,367.1117 in New Taiwan dollars, at the rate of NT$32.288 to US$1.

3. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").

Remarks:

	/s/ Jen-Chau Huang, as attorney-in-fact	08/10/2026
	** 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 4 (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 4: SEC 1474 (03-26)