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Taiwan Semiconductor (TSM) controller adds 31 shares through ESPP purchase

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

Rhea-AI Filing Summary

Taiwan Semiconductor Manufacturing Co. Controller Chih-Ho Chen reported an indirect open-market purchase of 31 Common Shares (2330.TW) on July 7, 2026 at $76.62 per share. The shares were bought by the administrator of the company’s Employee Stock Purchase Plan and are held in an ESPP trust on the filer’s behalf, alongside previously reported direct and indirect holdings.

Positive

  • None.

Negative

  • None.
Insider Chen Chih-Ho
Role Controller
Bought 31 shs ($2K)
Type Security Shares Price Value
Purchase Common Shares (2330.TW) 31 $76.62 $2K
holding Common Shares (2330.TW) -- -- --
holding Common Shares (2330.TW) -- -- --
holding Common Shares (2330.TW) -- -- --
Holdings After Transaction: Common Shares (2330.TW) — 137 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$2,462.6361 in New Taiwan dollars, at the rate of NT$32.143 to US$1. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").
ESPP purchase size 31 shares Common Shares (2330.TW) bought on July 7, 2026
Purchase price $76.62 per share Price for 31-share ESPP purchase
ESPP holdings after transaction 137 shares Indirectly held by ESPP trust after July 7, 2026
Indirect Homewarm Advisory holding 8,000 shares Indirect ownership via Homewarm Advisory Co., Ltd.
Indirect spouse holding 363 shares Indirect ownership by spouse
Direct holding 5,367 shares Common Shares held with direct ownership
NT dollar purchase price NT$2,462.6361 Average ESPP purchase price in New Taiwan dollars
FX rate used NT$32.143 to US$1 Exchange rate used to translate ESPP purchase price
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
"ownership_type: indirect"
Common Shares (2330.TW) financial
"security_title: Common Shares (2330.TW)"
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FAQ

What insider transaction did TSM’s Chih-Ho Chen report on this Form 4?

Chih-Ho Chen reported an indirect purchase of 31 Common Shares (2330.TW) on July 7, 2026. The shares were acquired at $76.62 per share and were bought through Taiwan Semiconductor’s Employee Stock Purchase Plan (ESPP) on the filer’s behalf.

At what price were the Taiwan Semiconductor (TSM) shares purchased under the ESPP?

The reported ESPP purchase was made at $76.62 per share. A footnote explains this reflects translation from an average purchase price of NT$2,462.6361 using an exchange rate of NT$32.143 to US$1 for the transaction.

How many Taiwan Semiconductor shares does the ESPP trust hold for Chih-Ho Chen after this transaction?

Following the reported transaction, the ESPP trust holds 137 Common Shares (2330.TW) indirectly for Chih-Ho Chen. This figure represents the total indirect holdings through the Employee Stock Purchase Plan as shown in the filing after the July 7, 2026 purchase.

What other indirect holdings of Taiwan Semiconductor (TSM) shares are reported for Chih-Ho Chen?

The filing shows 8,000 Common Shares held indirectly through Homewarm Advisory Co., Ltd. and 363 Common Shares held indirectly by the filer’s spouse. These positions are reported as of the same July 7, 2026 date in the Form 4 data.

What direct ownership in Taiwan Semiconductor shares does Chih-Ho Chen report?

In addition to indirect holdings, the filing lists 5,367 Common Shares (2330.TW) held with direct ownership. This direct position is reported as the total number of shares owned directly by the filer following the July 7, 2026 transactions shown.

Was the Taiwan Semiconductor ESPP purchase a routine plan transaction for Chih-Ho Chen?

A footnote states the Common Shares were purchased by the administrator of the Employee Stock Purchase Plan on the filer’s behalf under pre-determined terms. This indicates a structured ESPP transaction rather than a discretionary open-market trade by the insider.
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)
07/07/2026
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)07/07/2026(1)P31A$76.62(2)137(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$2,462.6361 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").
Remarks:
/s/ Jen-Chau Huang, as attorney-in-fact07/09/2026
** 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)