Was the TSM share purchase by Hou Yung-Chin a pre-planned ESPP transaction?

Yes. Footnotes explain the common shares were bought by the Employee Stock Purchase Plan administrator under terms predetermined by Taiwan Semiconductor. This indicates the 61-share acquisition followed preset ESPP rules rather than an opportunistic market-timing decision by Hou.

TSMC SVP Hou buys 61 shares via ESPP

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD senior executive Hou Yung-Chin reported a small employee-plan share purchase.

Filing Impact

(Moderate)

Filing Sentiment

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Form Type

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD senior executive Hou Yung-Chin reported a small employee-plan share purchase. On July 7, 2026, an administrator of the company’s Employee Stock Purchase Plan bought 61 common shares at $76.62 per share on behalf of Hou under predetermined plan terms.

After this transaction, Hou’s indirect holdings include 7,397 shares via the ESPP trust, 60,802 shares held by a spouse, and 20,190 shares in an LTI bonus plan trust, alongside 662,403 shares held directly.

Insider Trade Summary

Net Buyer: 61 shares

Net Buy 4 txns

Insider Hou Yung-Chin

Role SVP and Deputy Co-COO

Bought 61 shs ($5K)

Type	Security	Shares	Price	Value
Purchase	Common Shares (2330.TW)	61	$76.62	$5K
holding	Common Shares (2330.TW)	--	--	--
holding	Common Shares (2330.TW)	--	--	--
holding	Common Shares (2330.TW)	--	--	--

Holdings After Transaction: Common Shares (2330.TW) — 7,397 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)

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$2,462.6361 in New Taiwan dollars, at the rate of NT$32.143 to US$1.
F3. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").
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

ESPP purchase size: 61 shares ESPP purchase price: $76.62 per share ESPP trust holdings: 7,397 shares +5 more

8 metrics

ESPP purchase size 61 shares Common Shares (2330.TW) bought on July 7, 2026 under ESPP

ESPP purchase price $76.62 per share Average purchase price translated from NT$ at stated FX rate

ESPP trust holdings 7,397 shares Total common shares held indirectly via ESPP trust after transaction

Spouse-held shares 60,802 shares Common shares held indirectly through spouse after reported activity

LTI trust holdings 20,190 shares Common shares purchased under LTI Bonus Plan and held in trust

Direct share holdings 662,403 shares Common shares held directly by Hou after the transactions

NT dollar ESPP price NT$2,462.6361 Average ESPP purchase price in New Taiwan dollars

FX rate used NT$32.143 to US$1 Conversion rate used to translate ESPP price into US dollars

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") 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

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

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

"direct_or_indirect: "I", nature_of_ownership: "By Spouse" and "By LTI Trust""

Common Shares (2330.TW) financial

"security_title: "Common Shares (2330.TW)" in each transaction entry"

FAQ

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

What insider transaction did TSM SVP Hou Yung-Chin report on this Form 4?

Hou Yung-Chin reported a small employee-plan purchase of common shares. An administrator of Taiwan Semiconductor’s Employee Stock Purchase Plan bought 61 common shares on his behalf, at $76.62 per share, under predetermined ESPP terms rather than a discretionary open-market decision.

How many Taiwan Semiconductor (TSM) shares were bought for Hou under the ESPP?

A total of 61 common shares were purchased for Hou under the Employee Stock Purchase Plan. These shares were acquired on July 7, 2026, at $76.62 per share and are held indirectly through an ESPP trust associated with Taiwan Semiconductor’s plan structure.

What are Hou Yung-Chin’s total indirect holdings in TSM after this transaction?

After this transaction, Hou’s indirect holdings include 7,397 shares via the ESPP trust, 60,802 shares held by a spouse, and 20,190 shares held by a Long-Term Incentive bonus plan trust, reflecting several indirect ownership channels in addition to his direct share position.

How many Taiwan Semiconductor (TSM) shares does Hou hold directly after the Form 4 transaction?

Following the reported activity, Hou holds 662,403 common shares directly. This direct position is separate from his indirect holdings through his spouse, the Long-Term Incentive bonus plan trust, and the ESPP trust that acquired 61 additional shares on his behalf.

At what exchange rate was the Taiwan Semiconductor ESPP purchase price translated?

The share price reflects an average purchase price of NT$2,462.6361 translated at NT$32.143 to US$1. This conversion produced the reported $76.62 per share figure for the 61 common shares bought under the Employee Stock Purchase Plan on Hou’s behalf.

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

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Accepted by SEC EDGAR 07/09/2026 - 06:13 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^*

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)
07/07/2026

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)
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)								662,403	D
Common Shares (2330.TW)	07/07/2026⁽¹⁾		P		61	A	$76.62⁽²⁾	7,397⁽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)
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$2,462.6361 in New Taiwan dollars, at the rate of NT$32.143 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	07/09/2026
	** 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)

Source: View Original Filing on SEC EDGAR