Taiwan Semiconductor VP buys 41 ESPP shares

A Taiwan Semiconductor VP added a small ESPP-related stake while total direct and family holdings were reported at 10,301 shares.

Available on EDGAR 09/09/2026 - 06:09 AM EDT Accepted by SEC EDGAR 09/09/2026 - 06:08 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) reported that Vice President Yuan Lipen acquired additional Common Shares on September 7, 2026. An administrator of the company’s Employee Stock Purchase Plan bought 41 shares on Yuan’s behalf at $76.20 per share, translated from New Taiwan dollars under a stated FX rate, and these are held indirectly in an ESPP trust, bringing that ESPP-related position to 1,301 shares. On the same date, Yuan is also reported to hold 7,000 shares directly and 2,000 shares indirectly through a spouse. No Rule 10b5-1 trading plan is reported.

Insider Trade Summary

Net Buyer: 41 shares

Net Buy 1 txn

Insider Yuan Lipen

Role VP

Bought 41 shs ($3K)

Increase in Position 3.3%

Type	Security	Shares	Price	Value
Purchase	Common Shares (2330.TW) F1, F2, F3	41	$76.20	$3K
Holding	Common Shares (2330.TW)	--	--	--
Holding	Common Shares (2330.TW)	--	--	--

Holdings After Transaction: Common Shares (2330.TW) — 1,301 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 7,000 shares (Direct); Common Shares (2330.TW) — 2,000 shares (Indirect, By Spouse)

Holdings Before and After: Common Shares (2330.TW), 1,260 to 1,301 shares (Indirect, By ESPP Trust)

Other Insiders: 29 other insiders reported open-market purchases of this stock in the 30 days up to this filing.

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$2,404.3453 in New Taiwan dollars, at the rate of NT$31.552 to US$1.
3. F3. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").

Key Figures

ESPP purchase shares: 41 shares ESPP purchase price: $76.20 per share ESPP trust holdings after transaction: 1,301 shares +4 more

7 metrics

ESPP purchase shares 41 shares Common Shares acquired for Yuan Lipen on September 7, 2026 under ESPP

ESPP purchase price $76.20 per share Translated from NT$2,404.3453 at NT$31.552 to US$1

ESPP trust holdings after transaction 1,301 shares Indirect holdings under issuer’s Employee Stock Purchase Plan

Direct holdings 7,000 shares Common Shares held directly by Yuan Lipen as of September 7, 2026

Spouse indirect holdings 2,000 shares Common Shares held indirectly by spouse as of September 7, 2026

FX rate used for translation NT$31.552 to US$1 Used to translate NT$2,404.3453 average purchase price into US dollars

Total reported holdings (direct, spouse, ESPP) 10,301 shares Sum of 7,000 direct, 2,000 by spouse, 1,301 in ESPP trust

Key Terms

Employee Stock Purchase Plan, ESPP Trust, indirect ownership, Rule 10b5-1

4 terms

Employee Stock Purchase Plan financial

"Common Shares purchased by the 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 ("ESPP")."

indirect ownership financial

"Indirect ownership reported as "By ESPP Trust" and "By Spouse""

Rule 10b5-1 regulatory

"The Rule 10b5-1 checkbox is not affirmed for these transactions"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

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

What insider transaction did TSM report for VP Yuan Lipen on this Form 4?

TSM reported that Vice President Yuan Lipen had 41 Common Shares purchased on September 7, 2026 through the company’s Employee Stock Purchase Plan, with the shares acquired and held indirectly in an ESPP trust on the filer’s behalf.

At what price were the 41 TSM shares associated with Yuan Lipen’s ESPP purchase acquired?

The 41 TSM Common Shares were acquired at a translated price of $76.20 per share, based on an average purchase price of NT$2,404.3453 and an exchange rate of NT$31.552 to US$1 as disclosed.

How many TSM shares does Yuan Lipen hold through the ESPP trust after this transaction?

After the September 7, 2026 ESPP transaction, the filing reports that 1,301 Common Shares are held for Yuan Lipen under Taiwan Semiconductor’s Employee Stock Purchase Plan through the ESPP trust.

What are Yuan Lipen’s reported direct and family-related TSM share holdings?

As of September 7, 2026, the Form 4 shows 7,000 Common Shares held directly by Yuan Lipen and a further 2,000 Common Shares held indirectly by a spouse, in addition to shares held in the ESPP trust.

Was Yuan Lipen’s TSM share purchase made under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 checkbox indicates no affirmation that the reported ESPP-related purchase was made under a Rule 10b5-1 trading plan. Footnotes instead describe the purchase as made under predetermined ESPP terms.

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

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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^*

Yuan Lipen

(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)
	VP

2a. Foreign Trading Symbol
[2330.TW]

3. Date of Earliest Transaction (Month/Day/Year)
09/07/2026

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)								7,000	D
Common Shares (2330.TW)	09/07/2026(1)		P		41	A	$76.2(2)	1,301(3)	I	By ESPP Trust
Common Shares (2330.TW)								2,000	I	By Spouse

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$2,404.3453 in New Taiwan dollars, at the rate of NT$31.552 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	09/09/2026
	** 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)