STOCK TITAN

TSMC (NYSE: TSM) SVP adds ESPP shares in small open-market buy

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

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD senior vice president Tzonz‑Sheng Chang reported an indirect open‑market purchase of 52 Common Shares (2330.TW) at $76.62 per share. The shares were bought by the administrator of the Employee Stock Purchase Plan under predetermined terms and held in an ESPP trust.

Following this transaction, the ESPP trust holds 5,374 shares, a spouse account holds 173,000 shares, an LTI trust holds 10,581 shares, and 144,638 shares are held directly.

Positive

  • None.

Negative

  • None.
Insider Chang Tzonz-Sheng
Role SVP
Bought 52 shs ($4K)
Type Security Shares Price Value
Purchase Common Shares (2330.TW) 52 $76.62 $4K
holding Common Shares (2330.TW) -- -- --
holding Common Shares (2330.TW) -- -- --
holding Common Shares (2330.TW) -- -- --
Holdings After Transaction: Common Shares (2330.TW) — 5,374 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 144,638 shares (Direct)
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"). 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.
ESPP purchase 52 shares at $76.62 Common Shares (2330.TW) bought on 2026-07-07 via ESPP
ESPP trust holdings 5,374 shares Total Common Shares held by ESPP trust after transaction
Spouse holdings 173,000 shares Common Shares held indirectly by spouse after transaction
LTI trust holdings 10,581 shares Common Shares held by Long-Term Incentive trust
Direct holdings 144,638 shares Common Shares held directly by Tzonz-Sheng Chang
NT$ purchase price NT$2,462.6361 per share Average ESPP purchase price in New Taiwan dollars
FX rate NT$32.143 = 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
"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
"total_shares_following_transaction: 173000.0000, direct_or_indirect: "I", nature_of_ownership: "By Spouse""
open-market purchase financial
"transaction_action: "open-market purchase" for the 52-share ESPP 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.
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FAQ

What insider transaction did TSM senior vice president Tzonz-Sheng Chang report?

Tzonz-Sheng Chang reported an indirect purchase of 52 TSM Common Shares at $76.62 per share. The shares were acquired through the company’s Employee Stock Purchase Plan and are held in an ESPP trust on his behalf.

How many TSM shares does the ESPP trust hold for Tzonz-Sheng Chang after this Form 4?

After the reported transaction, the ESPP trust holds 5,374 TSM Common Shares for Tzonz-Sheng Chang. These shares reflect accumulated purchases under the Employee Stock Purchase Plan, including the latest 52-share acquisition.

Was the TSM share purchase by Tzonz-Sheng Chang discretionary or plan-based?

The 52-share purchase was plan-based, executed by the administrator of TSM’s Employee Stock Purchase Plan. The transaction followed terms predetermined by the issuer rather than being a discretionary open-market order by Chang.

What currency information is provided for the TSM ESPP share purchase price?

The reported $76.62 price per share was translated from an average purchase price of NT$2,462.6361. The conversion used an exchange rate of NT$32.143 to US$1, linking the New Taiwan dollar price to the U.S. dollar figure.
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*
Chang Tzonz-Sheng

(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)
SVP
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)144,638D
Common Shares (2330.TW)07/07/2026(1)P52A$76.62(2)5,374(3)IBy ESPP Trust
Common Shares (2330.TW)10,581(4)IBy LTI Trust
Common Shares (2330.TW)173,000IBy 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)
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").
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-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)