Who executed the TSM ESPP share purchase reported for Hwang Yuan-Ko?

The Common Shares were purchased by the administrator of TSM’s Employee Stock Purchase Plan on behalf of Hwang Yuan-Ko. The transaction followed terms predetermined by the issuer, consistent with how ESPP programs typically operate for participating employees.

TSM VP buys 42 shares via ESPP at $71.82

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD VP Hwang Yuan-Ko reported a small share purchase through the company’s Employee Stock Purchase Plan.

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Filing Sentiment

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Form Type

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD VP Hwang Yuan-Ko reported a small share purchase through the company’s Employee Stock Purchase Plan. On this Form 4, an administrator bought 42 Common Shares (2330.TW) on 2026-05-08 at $71.82 per share under predetermined ESPP terms.

These 42 shares are held indirectly via an ESPP Trust, bringing Hwang’s indirect holdings to 139 Common Shares. A separate holding line shows 206,418 Common Shares held directly after the reported transactions, indicating the ESPP activity is modest compared with the overall direct position.

Insider Trade Summary

Net Buyer: 42 shares

Net Buy 2 txns

Insider Hwang Yuan-Ko

Role VP

Bought 42 shs ($3K)

Type	Security	Shares	Price	Value
Purchase	Common Shares (2330.TW)	42	$71.82	$3K
holding	Common Shares (2330.TW)	--	--	--

Holdings After Transaction: Common Shares (2330.TW) — 139 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 206,418 shares (Direct)

Footnotes (3)

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.
F2. The price was translated from the average purchase price of NT$2,257.1777 in New Taiwan dollars, at the rate of NT$31.429 to US$1.
F3. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").

Key Figures

ESPP shares purchased: 42 shares Purchase price per share: $71.82 per share Indirect holdings after ESPP: 139 shares +2 more

5 metrics

ESPP shares purchased 42 shares Common Shares (2330.TW) bought via ESPP on May 8, 2026

Purchase price per share $71.82 per share Average price translated from NT$2,257.1777 at NT$31.429/US$1

Indirect holdings after ESPP 139 shares Common Shares held via ESPP Trust following the transaction

Direct holdings after transaction 206,418 shares Common Shares held directly after reported Form 4 entries

Net buy shares 42 shares Net buy direction in transaction summary

Key Terms

Employee Stock Purchase Plan, ESPP Trust, open-market purchase, indirect ownership, +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

"nature_of_ownership: By ESPP Trust"

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

"transaction marked as indirect with nature_of_ownership "By ESPP Trust""

Common Shares (2330.TW) financial

"security_title: Common Shares (2330.TW)"

FAQ

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What insider transaction did TSM VP Hwang Yuan-Ko report on this Form 4?

VP Hwang Yuan-Ko reported a small purchase of 42 TSM Common Shares (2330.TW) through the company’s Employee Stock Purchase Plan. The transaction was executed on May 8, 2026 and reflects ongoing participation in the issuer’s stock purchase program.

At what price were the 42 TSM shares acquired in the ESPP transaction?

The 42 Common Shares were acquired at an average price of $71.82 per share. This U.S. dollar price was translated from an average purchase price of NT$2,257.1777 using an exchange rate of NT$31.429 to US$1, as disclosed in the footnotes.

How many TSM shares does Hwang Yuan-Ko hold indirectly after this Form 4 transaction?

After the ESPP purchase, Hwang Yuan-Ko indirectly holds 139 TSM Common Shares via an ESPP Trust. These shares are purchased and held under the issuer’s Employee Stock Purchase Plan on his behalf according to the plan’s predetermined terms.

What is the size of Hwang Yuan-Ko’s direct TSM shareholding reported in this filing?

The filing shows 206,418 TSM Common Shares held directly following the reported transactions. This large direct position highlights that the 42-share ESPP purchase is relatively small compared with his overall holdings disclosed in the same Form 4.

How is the ESPP ownership for TSM shares classified in this Form 4 filing?

The 42 ESPP shares are reported as indirect ownership, with the nature of ownership described as "By ESPP Trust." This means the shares are held under TSM’s Employee Stock Purchase Plan rather than directly in Hwang Yuan-Ko’s personal brokerage account.

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Accepted by SEC EDGAR 05/11/2026 - 06:47 AM EDT

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^*

Hwang Yuan-Ko

(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)
05/08/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Shares (2330.TW)								206,418	D
Common Shares (2330.TW)	05/08/2026⁽¹⁾		P	V	42	A	$71.82⁽²⁾	139⁽³⁾	I	By ESPP 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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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$2,257.1777 in New Taiwan dollars, at the rate of NT$31.429 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	05/11/2026
	** 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)

Source: View Original Filing on SEC EDGAR