TSMC (TSM) CEO boosts indirect holdings with ESPP share purchase

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD Chairman and CEO Che-Chia Wei reported an indirect purchase of 150 Common Shares (2330.TW) on behalf of an ESPP trust. The shares were bought on June 5, 2026 at $76.01 per share in an open-market transaction executed by the administrator of the company’s Employee Stock Purchase Plan under predetermined terms.

After this transaction, the ESPP trust held 17,689 common shares for his benefit. Separate holding entries show indirect ownership of 700,261 shares by his spouse and 285,245 shares via a Long-Term Incentive bonus plan trust, plus 7,452,349 shares held directly. This filing mainly updates the detailed breakdown of his direct and indirect ownership.

Insider Trade Summary

Net Buyer: 150 shares

Net Buy 4 txns

Insider Wei Che-Chia

Role Chairman and CEO

Bought 150 shs ($11K)

Type	Security	Shares	Price	Value
Purchase	Common Shares (2330.TW)	150	$76.01	$11K
holding	Common Shares (2330.TW)	--	--	--
holding	Common Shares (2330.TW)	--	--	--
holding	Common Shares (2330.TW)	--	--	--

Holdings After Transaction: Common Shares (2330.TW) — 17,689 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 7,452,349 shares (Direct); Common Shares (2330.TW) — 285,245 shares (Indirect, By LTI Trust); Common Shares (2330.TW) — 700,261 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$2,392.5207 in New Taiwan dollars, at the rate of NT$31.475 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

ESPP purchase size: 150 shares ESPP purchase price: $76.01 per share ESPP trust holdings: 17,689 shares +5 more

8 metrics

ESPP purchase size 150 shares Common Shares (2330.TW) bought June 5, 2026

ESPP purchase price $76.01 per share Open-market purchase translated from NT$2,392.5207

ESPP trust holdings 17,689 shares Total common shares held under ESPP after transaction

Spouse indirect holdings 700,261 shares Common Shares held indirectly by spouse as of June 5, 2026

LTI trust holdings 285,245 shares Common Shares held indirectly via Long-Term Incentive Bonus Plan trust

Direct holdings 7,452,349 shares Common Shares held directly by Che-Chia Wei after reported date

Original NT$ price NT$2,392.5207 Average purchase price per share in New Taiwan dollars

FX rate used NT$31.475 to US$1 Exchange rate for translating ESPP purchase price to USD

Key Terms

Employee Stock Purchase Plan ("ESPP"), Long-Term Incentive ("LTI") Bonus Plan, indirect ownership, open-market purchase

4 terms

Employee Stock Purchase Plan ("ESPP") financial

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

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

"total_shares_following_transaction ... ownership_type: "indirect", ownership_code: "I""

open-market purchase financial

"transaction_action: "open-market purchase", transaction_code_description: "Purchase in open market or private transaction""

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.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/09/2026 - 06:54 AM Accepted by SEC EDGAR 06/09/2026 - 06:53 AM Learn about SEC filing dates

FAQ

What did TSM Chairman and CEO Che-Chia Wei do in this Form 4 filing?

Che-Chia Wei reported an indirect purchase of 150 common shares of TSM on June 5, 2026. The shares were acquired for his benefit through the company’s Employee Stock Purchase Plan and are held by an ESPP trust.

At what price were the TSM shares purchased for Che-Chia Wei under the ESPP?

The 150 TSM common shares were purchased at $76.01 per share. A footnote explains this price was translated from an average purchase price of NT$2,392.5207 using an exchange rate of NT$31.475 to US$1.

How many TSM shares does the ESPP trust hold for Che-Chia Wei after this transaction?

Following the reported ESPP purchase, the trust holding Employee Stock Purchase Plan shares for Che-Chia Wei owns 17,689 common shares. This reflects the updated indirect position associated with the ESPP after the June 5, 2026 acquisition.

What are Che-Chia Wei’s other reported indirect TSM shareholdings?

Besides the ESPP trust, the filing shows 700,261 common shares held indirectly through his spouse and 285,245 common shares held through a Long-Term Incentive bonus plan trust, over which he has obtained investment control, as of the reported date.

How many TSM shares does Che-Chia Wei hold directly after the reported activity?

The Form 4 lists 7,452,349 common shares of TSM held directly by Che-Chia Wei after the reported date. This direct position is separate from his various indirect holdings via spouse, ESPP trust, and Long-Term Incentive trust.

Was the TSM share purchase by Che-Chia Wei discretionary or pre-arranged?

The filing states the common shares were purchased by the Employee Stock Purchase Plan administrator pursuant to terms predetermined by the issuer. This indicates the acquisition followed preset ESPP plan terms rather than a one-off discretionary market order.

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^*

Wei Che-Chia

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chairman and CEO

2a. Foreign Trading Symbol
[2330.TW]

3. Date of Earliest Transaction (Month/Day/Year)
06/05/2026

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)								7,452,349	D
Common Shares (2330.TW)	06/05/2026(1)		P		150	A	$76.01(2)	17,689(3)	I	By ESPP Trust
Common Shares (2330.TW)								285,245(4)	I	By LTI Trust
Common Shares (2330.TW)								700,261	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$2,392.5207 in New Taiwan dollars, at the rate of NT$31.475 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/ Shu-Hua Fang, as attorney-in-fact	06/09/2026
	** 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)