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  4. [Form 4] TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD Insider Trading Activity

TSMC SVP Chang receives 12,881-share award

After the Sept. 1 vesting grant at no cash price, Chang’s direct, trust and spouse holdings total 346,528 TSM shares.

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

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) reported that Senior Vice President Tzonz-Sheng Chang acquired 12,881 Common Shares on September 1, 2026 through vesting under the company’s Employee Restricted Stock Awards Rules at no cash price. Following this grant, Chang holds 157,519 shares directly, plus indirect holdings of 5,428 shares via an ESPP trust, 10,581 shares via an LTI bonus plan trust over which he has investment control, and 173,000 shares held by his spouse.

Positive

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Negative

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Insider Chang Tzonz-Sheng
Role SVP
Type Security Shares Price Value
Grant/Award Common Shares (2330.TW) F1 12,881 $0.00 $0.00
holding Common Shares (2330.TW) F2 -- -- --
holding Common Shares (2330.TW) F3 -- -- --
holding Common Shares (2330.TW) -- -- --
Holdings After Transaction: Common Shares (2330.TW) — 157,519 shares (Direct); Common Shares (2330.TW) — 5,428 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 10,581 shares (Indirect, By LTI Trust); Common Shares (2330.TW) — 173,000 shares (Indirect, By Spouse)
Footnotes (3)
  1. F1. Represents Common Shares vested on September 1, 2026 in accordance with the issuer's Employee Restricted Stock Awards Rules.
  2. F2. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").
  3. F3. 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.
Awarded shares 12,881 Common Shares Vested on September 1, 2026 under Employee Restricted Stock Awards Rules
Direct holdings after transaction 157,519 Common Shares Shares directly owned by Tzonz-Sheng Chang after September 1, 2026 vesting
Indirect ESPP trust holdings 5,428 Common Shares Shares purchased and held under the Employee Stock Purchase Plan ("ESPP")
Indirect LTI trust holdings 10,581 Common Shares Shares purchased by a trust using Long-Term Incentive ("LTI") Bonus Plan cash; filer has investment control
Spouse’s indirect holdings 173,000 Common Shares Shares reported as indirectly owned through spouse
Transaction price per share for award $0.00 per share Equity award recorded with no cash consideration for 12,881 vested shares
Employee Restricted Stock Awards Rules financial
"Represents Common Shares vested on September 1, 2026 in accordance with the issuer's Employee Restricted Stock Awards Rules"
Employee Stock Purchase Plan ("ESPP") financial
"Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP")"
Long-Term Incentive ("LTI") Bonus Plan financial
"purchased by a trust with cash received under the issuer's Long-Term Incentive ("LTI") Bonus Plan"
investment control financial
"over which the filer has obtained investment control"

FAQ

What insider transaction did TSM report for Tzonz-Sheng Chang on September 1, 2026?
TSM reported that Senior Vice President Tzonz-Sheng Chang acquired 12,881 Common Shares on September 1, 2026 via vesting under the Employee Restricted Stock Awards Rules, recorded at a $0.00 per-share transaction price as this was an equity award, not a market purchase.

How many TSM shares does Tzonz-Sheng Chang now hold directly?
After the September 1, 2026 vesting, Tzonz-Sheng Chang directly holds 157,519 Common Shares of TSM. This direct holding reflects the newly vested 12,881 shares granted under the company’s Employee Restricted Stock Awards Rules.

What indirect TSM holdings does Tzonz-Sheng Chang report?
In addition to direct holdings, Tzonz-Sheng Chang reports 5,428 shares held by an ESPP trust, 10,581 shares held by a trust funded through the Long-Term Incentive Bonus Plan over which he has investment control, and 173,000 shares held by his spouse, all reported as indirect ownership.

Were TSM shares acquired under an employee plan in this Form 4?
Yes. The Form 4 notes 12,881 shares vested under TSM’s Employee Restricted Stock Awards Rules. It also reports 5,428 shares previously purchased and held under the company’s Employee Stock Purchase Plan ("ESPP") as an indirect holding.

Does the Form 4 for TSM indicate any sales or disposals by Tzonz-Sheng Chang?
No. The Form 4 reports one acquisition of 12,881 shares through a grant or award and provides three entries describing indirect holdings. The transaction summary shows no reported sales or disposals of TSM shares by Tzonz-Sheng Chang in this filing.

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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)
09/01/2026		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)09/01/2026A12,881(1)A$0157,519D
Common Shares (2330.TW)5,428(2)IBy ESPP Trust
Common Shares (2330.TW)10,581(3)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. Represents Common Shares vested on September 1, 2026 in accordance with the issuer's Employee Restricted Stock Awards Rules.
2. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").
3. 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-fact09/02/2026
** 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)

Source: View Original Filing on SEC EDGAR