STOCK TITAN

TSMC (NYSE: TSM) controller adds shares through employee stock purchase plan

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD controller Chen Chih-Ho increased his indirect holdings through the company’s employee stock purchase plan. On June 5, 2026, 32 Common Shares (2330.TW) were purchased at $76.01 per share and held by an ESPP trust on his behalf under terms predetermined by the issuer.

After this transaction, the ESPP trust held 106 Common Shares for him. Separate from the ESPP, he indirectly owned 8,000 Common Shares through Homewarm Advisory Co., Ltd. and 363 Common Shares through his spouse, and directly owned 5,367 Common Shares.

Positive

  • None.

Negative

  • None.
Insider Chen Chih-Ho
Role Controller
Bought 32 shs ($2K)
Type Security Shares Price Value
Purchase Common Shares (2330.TW) 32 $76.01 $2K
holding Common Shares (2330.TW) -- -- --
holding Common Shares (2330.TW) -- -- --
holding Common Shares (2330.TW) -- -- --
Holdings After Transaction: Common Shares (2330.TW) — 106 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 5,367 shares (Direct, null)
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$2,392.5207 in New Taiwan dollars, at the rate of NT$31.475 to US$1. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").
Shares purchased via ESPP 32 shares Common Shares (2330.TW) bought on June 5, 2026
Purchase price per share <money>$76.01</money>/share ESPP transaction price for Common Shares
ESPP trust holdings after purchase 106 shares Common Shares held by ESPP trust for Chen Chih-Ho
Indirect holdings via Homewarm Advisory 8,000 shares Common Shares held indirectly by Homewarm Advisory Co., Ltd.
Indirect holdings via spouse 363 shares Common Shares held indirectly by spouse
Directly held Common Shares 5,367 shares Direct ownership of Common Shares (2330.TW)
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")."
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", "nature_of_ownership": "By ESPP Trust""
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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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*
Chen Chih-Ho

(Last)(First)(Middle)
NO. 8, LI-HSIN ROAD 6
HSINCHU SCIENCE PARK

(Street)
HSINCHUTAIWAN300096

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Controller
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)
XForm 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)
CodeVAmount(A) or (D)Price
Common Shares (2330.TW)5,367D
Common Shares (2330.TW)06/05/2026(1)PV32A$76.01(2)106(3)IBy ESPP Trust
Common Shares (2330.TW)363IBy Spouse
Common Shares (2330.TW)8,000IBy Homewarm Advisory Co., Ltd.
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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").
Remarks:
/s/ Shu-Hua Fang, as attorney-in-fact06/09/2026
** Signature of Reporting PersonDate
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 insider transaction did TSM Controller Chen Chih-Ho report?

Chen Chih-Ho reported a small insider purchase through an employee plan. On June 5, 2026, an ESPP trust bought 32 TSM Common Shares (2330.TW) at $76.01 per share under predetermined plan terms and now holds 106 shares for him.

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

The ESPP trust bought 32 TSM Common Shares at $76.01 per share. These shares were acquired on June 5, 2026 and are held for Controller Chen Chih-Ho under the issuer’s Employee Stock Purchase Plan structure.

What are Chen Chih-Ho’s total ESPP, direct, and indirect TSM holdings?

After the reported transaction, the ESPP trust held 106 TSM Common Shares for him. He also indirectly owned 8,000 shares via Homewarm Advisory Co., Ltd., 363 shares via his spouse, and directly held 5,367 Common Shares, according to the Form 4 data.

Was the TSM insider purchase made under an Employee Stock Purchase Plan?

Yes. The filing states the Common Shares were purchased by the administrator of TSM’s Employee Stock Purchase Plan on predetermined terms. The ESPP trust holds these shares on behalf of Controller Chen Chih-Ho, reflecting routine, programmatic share accumulation.

Is the TSM insider transaction an open-market buy or a plan purchase?

The transaction is coded as an open-market purchase but is tied to TSM’s Employee Stock Purchase Plan. Footnotes explain the ESPP administrator purchased the Common Shares pursuant to predetermined plan terms, then held them in an ESPP trust for the reporting person.