Taiwan Semi officer buys 50 shares via ESPP

TSM vice president Juiping Chuang reported a small ESPP-related purchase and updated direct and indirect share holdings.

Available on EDGAR 09/09/2026 - 06:05 AM EDT Accepted by SEC EDGAR 09/09/2026 - 06:04 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) officer Juiping Chuang reported a small open-market-style purchase of 50 Common Shares (2330.TW)$76.20 per share4,292 Common Shares247,913 Common Shares50 American Depositary Shares7,036 Common Shares106,000 Common Shares

Insider Trade Summary

Net Buyer: 50 shares

Net Buy 1 txn

Insider Chuang Juiping

Role VP

Bought 50 shs ($4K)

Increase in Position 1.2%

Type	Security	Shares	Price	Value
Purchase	Common Shares (2330.TW) F2, F3, F4	50	$76.20	$4K
Holding	Common Shares (2330.TW)	--	--	--
Holding	American Depositary Shares (TSM) F1	--	--	--
Holding	Common Shares (2330.TW) F5	--	--	--
Holding	Common Shares (2330.TW)	--	--	--

Holdings After Transaction: Common Shares (2330.TW) — 4,292 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 247,913 shares (Direct); American Depositary Shares (TSM) — 50 shares (Direct); Common Shares (2330.TW) — 7,036 shares (Indirect, By LTI Trust); Common Shares (2330.TW) — 106,000 shares (Indirect, By Spouse)

Holdings Before and After: Common Shares (2330.TW), 4,242 to 4,292 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 (5)

1. F1. Each American Depositary Share represents five (5) Common Shares.
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$2,404.3453 in New Taiwan dollars, at the rate of NT$31.552 to US$1.
4. F4. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").
5. F5. Represents Common Shares purchased by a trust with cash received under the issuer's Long-Term Incentive ("LTI") Bonus Plan, over which the filer has obtained investment control.

Key Figures

Common Shares purchased: 50 shares Purchase price per Common Share: $76.20 per share Indirect ESPP trust holdings after transaction: 4,292 Common Shares +5 more

8 metrics

Common Shares purchased 50 shares ESPP-related purchase on September 7, 2026

Purchase price per Common Share $76.20 per share Average price translated from NT$2,404.3453 at NT$31.552/US$1

Indirect ESPP trust holdings after transaction 4,292 Common Shares Indirect ownership via ESPP trust after September 7, 2026 trade

Direct Common Shares held 247,913 shares Direct ownership of TSM Common Shares after reported transactions

American Depositary Shares held 50 ADS Direct holdings of TSM ADS, each ADS representing five Common Shares

Indirect LTI trust Common Shares 7,036 shares Common Shares held by a trust funded under the LTI Bonus Plan

Spouse-held Common Shares 106,000 shares Common Shares held indirectly through spouse

Local currency purchase price NT$2,404.3453 per share Average purchase price in New Taiwan dollars translated at NT$31.552/US$1

Key Terms

Employee Stock Purchase Plan, American Depositary Shares, Long-Term Incentive ("LTI") Bonus Plan, ESPP Trust

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.

American Depositary Shares financial

"American Depositary Shares (TSM) ... Each American Depositary Share represents five"

American depositary shares (ADSs) are a way for investors in the United States to buy shares of foreign companies without dealing with international markets directly. They represent ownership in a foreign company's stock and are traded on U.S. stock exchanges, making it easier for American investors to buy, sell, and own parts of companies from around the world.

Long-Term Incentive ("LTI") Bonus Plan financial

"Represents Common Shares purchased by a trust with cash received under the issuer's Long-Term Incentive ("LTI") Bonus Plan"

ESPP Trust financial

"Common Shares (2330.TW) ... indirect ownership nature described as By ESPP Trust"

FAQ

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

What did TSM officer Juiping Chuang buy in this Form 4 filing for TSM?

Juiping Chuang reported purchasing 50 Common Shares (2330.TW)$76.20 per share

Was the TSM Form 4 trade by Juiping Chuang under a Rule 10b5-1 plan?

No. The filing’s Rule 10b5-1 checkbox is not marked, and no footnote states that the September 7, 2026 purchase of 50 Common Shares

What are Juiping Chuang’s direct common share holdings in TSM after this Form 4?

After the reported transactions, Juiping Chuang is shown as directly holding 247,913 Common Shares (2330.TW)

How many Taiwan Semiconductor ADS does Juiping Chuang hold according to this TSM Form 4?

The Form 4 reports direct ownership of 50 American Depositary Shares (ADS) of TSMfive Common Shares

What indirect TSM share holdings via plans or spouse are reported for Juiping Chuang?

The filing shows 4,292 Common Shares7,036 Common Shares106,000 Common Shares

What exchange rate and local price underlie the $76.20 TSM share price in this Form 4?

A footnote states the U.S. dollar price reflects an average local purchase price of NT$2,404.3453NT$31.552 to US$1$76.20

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^*

Chuang Juiping

(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)								247,913	D
American Depositary Shares (TSM)(1)								50	D
Common Shares (2330.TW)	09/07/2026(2)		P		50	A	$76.2(3)	4,292(4)	I	By ESPP Trust
Common Shares (2330.TW)								7,036(5)	I	By LTI Trust
Common Shares (2330.TW)								106,000	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. Each American Depositary Share represents five (5) Common Shares.

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$2,404.3453 in New Taiwan dollars, at the rate of NT$31.552 to US$1.

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

5. Represents Common Shares purchased by a trust with cash received under the issuer's Long-Term Incentive ("LTI") Bonus Plan, over which the filer has obtained investment control.

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)