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

Taiwan Semiconductor exec adds 12,881 vested shares

After the Sept. 1 vesting, Wang Ying-Lang holds 375,273 TSM shares directly, plus indirect holdings via trust plans and a spouse’s account.

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

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) reported that Senior Vice President Wang Ying-Lang acquired 12,881 Common Shares on September 1, 2026 through the vesting of restricted stock awards at no cash price. Following this grant, Wang holds 375,273 Common Shares directly, plus additional indirect holdings through an ESPP trust, an LTI bonus plan trust, and a spouse’s account.

Positive

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Negative

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Insider Wang Ying-Lang
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) — 375,273 shares (Direct); Common Shares (2330.TW) — 6,445 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 10,581 shares (Indirect, By LTI Trust); Common Shares (2330.TW) — 1,135,529 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.
Shares acquired via vesting 12,881 Common Shares Vested on September 1, 2026 under Employee Restricted Stock Awards Rules
Direct holdings after transaction 375,273 Common Shares Direct ownership following September 1, 2026 vesting
Indirect holdings via ESPP Trust 6,445 Common Shares Held by ESPP Trust, indirect ownership
Indirect holdings via LTI Trust 10,581 Common Shares Held by trust under Long-Term Incentive Bonus Plan
Indirect holdings via spouse 1,135,529 Common Shares Indirect ownership reported as held by spouse
Transaction date September 1, 2026 Date of restricted stock vesting and updated holdings
Employee Restricted Stock Awards Rules financial
"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"

FAQ

What transaction did TSM executive Wang Ying-Lang report on this Form 4?
Wang Ying-Lang reported an acquisition of 12,881 Common Shares of TSM on September 1, 2026, resulting from the vesting of restricted stock awards under the company’s Employee Restricted Stock Awards Rules at a reported per-share price of $0.00.

How many TSM shares does Wang Ying-Lang hold directly after this transaction?
After the reported vesting, Wang Ying-Lang directly holds 375,273 Common Shares of TSM. This figure reflects the position following the September 1, 2026 restricted stock award vesting transaction.

What indirect TSM share holdings does Wang Ying-Lang report?
Indirectly, Wang Ying-Lang reports 6,445 Common Shares held by an ESPP Trust, 10,581 Common Shares held by an LTI Trust, and 1,135,529 Common Shares held by a spouse, as of September 1, 2026.

Were Wang Ying-Lang’s TSM transactions made under a Rule 10b5-1 trading plan?
The filing indicates the Rule 10b5-1 checkbox is not affirmed, meaning the reported acquisition was not designated as being made pursuant to a Rule 10b5-1 trading plan in this Form 4.

What is the nature of the 12,881 TSM shares acquired by Wang Ying-Lang?
The 12,881 Common Shares represent stock that vested on September 1, 2026 in accordance with TSM’s Employee Restricted Stock Awards Rules, rather than an open-market purchase.

How were some of Wang Ying-Lang’s indirect TSM shares acquired?
Footnotes state that indirect holdings include Common Shares purchased and held under the Employee Stock Purchase Plan (ESPP) and shares purchased by a trust using cash received under TSM’s Long-Term Incentive (LTI) Bonus Plan.

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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*
Wang Ying-Lang
(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$0375,273D
Common Shares (2330.TW)6,445(2)IBy ESPP Trust
Common Shares (2330.TW)10,581(3)IBy LTI Trust
Common Shares (2330.TW)1,135,529IBy 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