TSMC executive buys 78 shares via ESPP plan

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD senior executive Yung-Chin Hou reported a small open-market purchase under the company’s Employee Stock Purchase Plan.

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD senior executive Yung-Chin Hou reported a small open-market purchase under the company’s Employee Stock Purchase Plan. An ESPP trust bought 78 common shares at $57.87 per share on April 9, 2026, a routine acquisition relative to his overall direct and indirect holdings.

Insider Trade Summary

Net Buyer: 78 shares

Net Buy 4 txns

Insider Hou Yung-Chin

Role SVP and Deputy Co-COO

Bought 78 shs ($5K)

Type	Security	Shares	Price	Value
Purchase	Common Shares (2330.TW)	78	$57.87	$5K
holding	Common Shares (2330.TW)	--	--	--
holding	Common Shares (2330.TW)	--	--	--
holding	Common Shares (2330.TW)	--	--	--

Holdings After Transaction: Common Shares (2330.TW) — 7,208 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 662,403 shares (Direct); Common Shares (2330.TW) — 20,190 shares (Indirect, By LTI Trust); Common Shares (2330.TW) — 60,802 shares (Indirect, By Spouse)

Footnotes (4)

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$1,837.2789 in New Taiwan dollars, at the rate of NT$31.748 to US$1.
3. F3. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").
4. F4. 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: 78 shares Purchase price: $57.87 per share Direct holdings after: 662,403 shares +2 more

5 metrics

Shares purchased 78 shares Open-market ESPP purchase on April 9, 2026

Purchase price $57.87 per share Average price for 78 common shares

Direct holdings after 662,403 shares Common shares held directly after reported transactions

ESPP trust holdings after 7,208 shares Common shares held indirectly via ESPP trust

Spouse indirect holdings 60,802 shares Common shares reported as held by spouse

Key Terms

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

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""

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"

indirect ownership financial

""ownership_type": "indirect""

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.

FAQ

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

What insider transaction did TSM SVP Yung-Chin Hou report?

Yung-Chin Hou reported a small purchase of 78 common shares. The shares were acquired on April 9, 2026 through the company’s Employee Stock Purchase Plan, reflecting a routine, program-based increase in his indirect ownership rather than a large discretionary market trade.

At what price were the TSM shares purchased in this Form 4?

The 78 Taiwan Semiconductor common shares were purchased at an average price of $57.87 per share. A footnote explains this was translated from an average price of NT$1,837.2789 using an exchange rate of NT$31.748 to US$1 for reporting purposes.

How were the TSM shares acquired under the Employee Stock Purchase Plan?

The shares were bought by the administrator of Taiwan Semiconductor’s Employee Stock Purchase Plan. According to the filing, purchases were made on behalf of Yung-Chin Hou pursuant to terms predetermined by the issuer, and the common shares are held under the ESPP structure as indirect ownership.

What are Yung-Chin Hou’s direct TSM share holdings after this transaction?

After the reported activity, Yung-Chin Hou directly owns 662,403 Taiwan Semiconductor common shares. This figure is disclosed as a holding entry, separate from the smaller indirect positions held through the ESPP trust, an LTI bonus plan trust, and shares attributed to his spouse.

What indirect TSM holdings does Yung-Chin Hou report besides the ESPP position?

In addition to the ESPP trust holding 7,208 shares, Hou reports 20,190 shares held by a Long-Term Incentive Bonus Plan trust and 60,802 shares held by his spouse. These positions are classified as indirect ownership interests in Taiwan Semiconductor common shares in the Form 4.

Is this TSM insider share purchase considered large or routine?

The purchase of 78 shares is very small compared with Hou’s disclosed direct holdings of 662,403 shares. Combined with its execution under a predetermined Employee Stock Purchase Plan, the transaction appears as a routine program-based acquisition rather than a sizable directional bet on the stock.

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

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Accepted by SEC EDGAR 04/13/2026 - 07:32 AM EDT Learn about SEC filing dates

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^*

Hou Yung-Chin

(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 and Deputy Co-COO

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)								662,403	D
Common Shares (2330.TW)	04/09/2026(1)		P	V	78	A	$57.87(2)	7,208(3)	I	By ESPP Trust
Common Shares (2330.TW)								20,190(4)	I	By LTI Trust
Common Shares (2330.TW)								60,802	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$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)