Taiwan Semiconductor (NYSE: TSM) SVP adds 67 shares via ESPP purchase

Rhea-AI Filing Summary

Taiwan Semiconductor Manufacturing senior vice president Tzonz-Sheng Chang reported a small open-market purchase of 67 common shares at $57.87 per share. The shares were bought by the administrator of the company’s Employee Stock Purchase Plan under predetermined terms. After the transaction, Chang’s indirect holdings under the ESPP trust total 5,213 shares, alongside 317,638 shares held directly and 10,581 shares held indirectly through a Long-Term Incentive bonus plan trust.

Insider Trade Summary

Net Buyer: 67 shares ($3,877)

Net Buy 3 txns

Insider Chang Tzonz-Sheng

Role SVP

Bought 67 shs ($4K)

Type	Security	Shares	Price	Value
Purchase	Common Shares (2330.TW)	67	$57.87	$4K
holding	Common Shares (2330.TW)	--	--	--
holding	Common Shares (2330.TW)	--	--	--

Holdings After Transaction: Common Shares (2330.TW) — 5,213 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 317,638 shares (Direct)

Footnotes (1)

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. The price was translated from the average purchase price of NT$1,837.2789 in New Taiwan dollars, at the rate of NT$31.748 to US$1. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP"). 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

Shares purchased: 67 shares Purchase price: $57.87 per share Indirect ESPP holdings: 5,213 shares +3 more

6 metrics

Shares purchased 67 shares Open-market purchase on 2026-04-09 via ESPP

Purchase price $57.87 per share Average price for 67 common shares

Indirect ESPP holdings 5,213 shares Total indirect shares via ESPP trust after transaction

Direct holdings 317,638 shares Common shares held directly after transaction

Indirect LTI trust holdings 10,581 shares Common shares held indirectly via Long-Term Incentive trust

Net shares bought 67 shares Net buy direction across reported transactions

Key Terms

Employee Stock Purchase Plan, ESPP Trust, Long-Term Incentive ("LTI") Bonus Plan, open-market purchase, +1 more

5 terms

Employee Stock Purchase Plan financial

"Common Shares purchased by the administrator of the issuer's Employee Stock Purchase Plan ("ESPP") on behalf of the filer"

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

"direct_or_indirect": "I","nature_of_ownership": "By ESPP Trust""

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"

open-market purchase financial

""transaction_action": "open-market purchase""

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

indirect ownership financial

""ownership_type": "indirect","ownership_code": "I""

Form 4 Insider Transactions: What Each Field Means →

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^*

Chang Tzonz-Sheng

(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)
04/09/2026

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)								317,638	D
Common Shares (2330.TW)	04/09/2026(1)		P	V	67	A	$57.87(2)	5,213(3)	I	By ESPP Trust
Common Shares (2330.TW)								10,581(4)	I	By LTI Trust

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$1,837.2789 in New Taiwan dollars, at the rate of NT$31.748 to US$1.

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

4. 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	04/13/2026
	** 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)

FAQ

What did TSM SVP Tzonz-Sheng Chang report in this Form 4 filing?

Tzonz-Sheng Chang reported buying 67 Taiwan Semiconductor common shares at $57.87 each. The purchase occurred through the company’s Employee Stock Purchase Plan under predetermined terms, and was recorded as an indirect open-market purchase in the filing.

How many Taiwan Semiconductor (TSM) shares did the SVP buy and at what price?

The senior vice president acquired 67 common shares at an average price of $57.87 per share. The transaction was executed by the Employee Stock Purchase Plan administrator, consistent with preset plan instructions rather than a discretionary trade in the open market.

How many Taiwan Semiconductor shares does Tzonz-Sheng Chang hold after this transaction?

After the reported transaction, Chang holds 317,638 common shares directly, 5,213 shares indirectly via the Employee Stock Purchase Plan trust, and 10,581 shares indirectly through a Long-Term Incentive bonus plan trust, as disclosed in the Form 4 filing details.

Was the TSM share purchase by the SVP part of an employee stock plan?

Yes. The filing states the 67 shares were purchased by the Employee Stock Purchase Plan administrator on Chang’s behalf. The transaction followed terms predetermined by Taiwan Semiconductor, reflecting routine participation in a company stock purchase program.

Are the indirect TSM holdings in this Form 4 under trusts or personal accounts?

The Form 4 shows 5,213 shares held indirectly through an Employee Stock Purchase Plan trust and 10,581 shares held indirectly via a Long-Term Incentive bonus plan trust. These are separate from 317,638 common shares that Chang holds directly in his own name.