TSMC VP buys 44 shares via employee stock plan

Available on EDGAR 09/09/2026 - 06:07 AM EDT Accepted by SEC EDGAR 09/09/2026 - 06:06 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) reported that VP Shyue-Shyh Lin had 44 common shares purchased on September 7, 2026 through the administrator of the company’s Employee Stock Purchase Plan (ESPP) at a price of $76.20 per share, held indirectly via an ESPP trust. Following this ESPP purchase, the ESPP trust held 340 shares for his benefit, in addition to 30,269 shares held directly and 5,000 shares held indirectly by his spouse. No Rule 10b5-1 trading plan is reported for these transactions.

Insider Trade Summary

Net Buyer: 44 shares

Net Buy 1 txn

Insider Lin Shyue-Shyh

Role VP

Bought 44 shs ($3K)

Increase in Position 14.9%

Type	Security	Shares	Price	Value
Purchase	Common Shares (2330.TW) F1, F2, F3	44	$76.20	$3K
Holding	Common Shares (2330.TW)	--	--	--
Holding	Common Shares (2330.TW)	--	--	--

Holdings After Transaction: Common Shares (2330.TW) — 340 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 30,269 shares (Direct); Common Shares (2330.TW) — 5,000 shares (Indirect, By Spouse)

Holdings Before and After: Common Shares (2330.TW), 296 to 340 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: 44 shares ESPP purchase price: $76.20 per share ESPP trust holdings after transaction: 340 shares +3 more

6 metrics

ESPP purchase shares 44 shares Common Shares (2330.TW) purchased on September 7, 2026 via 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 340 shares Indirect ownership via ESPP trust after September 7, 2026 purchase

Direct holdings after transaction 30,269 shares Common Shares held directly by Shyue-Shyh Lin

Spousal indirect holdings 5,000 shares Common Shares held indirectly by spouse

Net shares bought 44 shares Net buy direction across reported non-derivative transactions

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

"Indirect ownership nature described as By ESPP Trust"

indirect ownership financial

"Ownership type reported as indirect with nature of ownership By ESPP Trust"

Rule 10b5-1 regulatory

"Document-level checkbox indicates no Rule 10b5-1 trading plan is affirmed"

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 VP Shyue-Shyh Lin report in this Form 4?

He reported an ESPP-related purchase of 44 common shares of TSM on September 7, 2026, executed by the administrator of the company’s Employee Stock Purchase Plan on his behalf under predetermined terms.

At what price were the 44 TSM shares acquired in the ESPP purchase?

The 44 TSM common shares were acquired at $76.20 per share, which reflects a U.S. dollar price translated from an average purchase price of NT$2,404.3453 using an exchange rate of NT$31.552 to US$1.

How many TSM shares does Shyue-Shyh Lin hold through the ESPP trust after this transaction?

After the September 7, 2026 purchase, the ESPP trust holds 340 TSM common shares on behalf of Shyue-Shyh Lin, all purchased and held under the issuer’s Employee Stock Purchase Plan.

What are Shyue-Shyh Lin’s total direct holdings of TSM common shares?

His reported direct holdings amount to 30,269 TSM common shares following the reported transactions on September 7, 2026. This direct position is reported separately from shares held via the ESPP trust and by his spouse.

How many TSM shares are reported as held indirectly by Shyue-Shyh Lin’s spouse?

The filing reports 5,000 TSM common shares held indirectly by his spouse. These are classified as indirect ownership, separate from his direct holdings and the ESPP trust holdings.

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

No. The filing indicates that no Rule 10b5-1 trading plan is affirmed for these transactions, and the ESPP purchase was made pursuant to terms predetermined by the issuer under its Employee Stock Purchase Plan.

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^*

Lin Shyue-Shyh

(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)								30,269	D
Common Shares (2330.TW)	09/07/2026(1)		P		44	A	$76.2(2)	340(3)	I	By ESPP Trust
Common Shares (2330.TW)								5,000	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)