Taiwan Semiconductor SVP buys 52 shares under plan

Taiwan Semiconductor Manufacturing Co. Ltd. (TSM) reported that its SVP, Choh Fei Yeap, had 52 Common Shares purchased on October 7, 2026, by the issuer’s Employee Stock Purchase Plan administrator on his behalf.

Rhea-AI Filing Summary

Taiwan Semiconductor Manufacturing Co. Ltd. (TSM) reported that its SVP, Choh Fei Yeap, had 52 Common Shares purchased on October 7, 2026, by the issuer’s Employee Stock Purchase Plan administrator on his behalf. The shares were held under the ESPP Trust at a reported price of $79.39 per share, translated from an average purchase price of NT$2,524.2277 at NT$31.795 to US$1. No Rule 10b5-1 plan is reported. Following the purchase, 53 shares were listed indirectly through the trust; a separate holding entry lists 243,383 shares held directly as of October 7, 2026.

Insider Trade Summary

Net Buyer: 52 shares

Net Buy 2 txns

Insider Yeap Choh Fei

Role SVP

Bought 52 shs ($4K)

Type	Security	Shares	Price	Value
Purchase	Common Shares (2330.TW) F2, F3, F1, F4	52	$79.39	$4K
holding	Common Shares (2330.TW) F1	--	--	--

Holdings After Transaction: Common Shares (2330.TW) — 53 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 243,383 shares (Direct)

Footnotes (4)

1. F1. On September 24, 2026, 6,546 and 10,581 Common Shares previously held indirectly through the ESPP Trust and LTI Trust, respectively, were transferred to an account directly held by the reporting person. These transfers reflect only a change in the form of beneficial ownership of the shares and are exempt from reporting under Rule 16a-13 of the Securities Exchange Act of 1934, as amended.
2. F2. 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.
3. F3. The price was translated from the average purchase price of NT$2,524.2277 in New Taiwan dollars, at the rate of NT$31.795 to US$1.
4. F4. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").

Key Figures

Shares purchased: 52 shares Reported purchase price: $79.39 per share Indirect shares following purchase: 53 shares +3 more

6 metrics

Shares purchased 52 shares October 7, 2026; purchased by the Employee Stock Purchase Plan administrator on Yeap’s behalf

Reported purchase price $79.39 per share Translated from the average purchase price in New Taiwan dollars

Indirect shares following purchase 53 shares Held through the ESPP Trust

Direct shares held 243,383 shares As of October 7, 2026

Average purchase price NT$2,524.2277 New Taiwan dollars per share, before translation to U.S. dollars

Currency exchange rate NT$31.795 to US$1 Rate used to translate the average purchase price

Key Terms

Employee Stock Purchase Plan, ESPP Trust, beneficial ownership, Rule 16a-13

4 terms

Employee Stock Purchase Plan financial

"administrator of the issuer's Employee Stock Purchase Plan"

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

ESPP Trust financial

"Common Shares purchased and held under the issuer's Employee Stock Purchase Plan"

beneficial ownership regulatory

"change in the form of beneficial ownership"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Rule 16a-13 regulatory

"exempt from reporting under Rule 16a-13"

FAQ

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

How many TSM shares did SVP Choh Fei Yeap purchase, and at what price?

The Employee Stock Purchase Plan administrator purchased 52 Common Shares on Yeap’s behalf on October 7, 2026, at a reported price of $79.39 per share. The shares were held under the ESPP Trust, and no Rule 10b5-1 plan is reported.

How many TSM shares were listed after Choh Fei Yeap’s purchase?

The post-purchase position listed 53 shares indirectly through the ESPP Trust. A separate holding entry lists 243,383 shares held directly as of October 7, 2026.

How was the TSM purchase price converted to U.S. dollars?

The reported $79.39 per-share price was translated from an average purchase price of NT$2,524.2277 at an exchange rate of NT$31.795 to US$1.

What explains Choh Fei Yeap’s TSM direct-share holding?

A footnote says that on September 24, 2026, 6,546 shares held through the ESPP Trust and 10,581 shares held through the LTI Trust were transferred to an account held directly by Yeap. The transfers reflected a change in the form of beneficial ownership and were exempt from reporting under Rule 16a-13.

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

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Available on EDGAR 10/08/2026 - 06:36 AM Accepted by SEC EDGAR 10/08/2026 - 06:35 AM 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^*

Yeap Choh Fei

(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)
	SVP

2a. Foreign Trading Symbol
[2330.TW]

3. Date of Earliest Transaction (Month/Day/Year)
10/07/2026

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)								243,383(1)	D
Common Shares (2330.TW)	10/07/2026(2)		P		52	A	$79.39(3)	53(1)	I	By ESPP Trust(4)

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. On September 24, 2026, 6,546 and 10,581 Common Shares previously held indirectly through the ESPP Trust and LTI Trust, respectively, were transferred to an account directly held by the reporting person. These transfers reflect only a change in the form of beneficial ownership of the shares and are exempt from reporting under Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

2. 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.

3. The price was translated from the average purchase price of NT$2,524.2277 in New Taiwan dollars, at the rate of NT$31.795 to US$1.

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

Remarks:

	/s/ Jen-Chau Huang, as attorney-in-fact	10/08/2026
	** 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)