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

TAIWAN SEMICONDUCTOR (TSM) VP Min Cao adds shares through ESPP and reports large holdings

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

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD VP Min Cao reported an indirect purchase of 55 Common Shares (2330.TW) on August 7, 2026 at $73.31 per share. The shares were bought by the administrator of the company’s Employee Stock Purchase Plan under terms predetermined by the issuer and held in an ESPP trust.

After this transaction, reported holdings include 6,717 shares via the ESPP trust, 507,879 shares held directly, 10,581 shares held by a Long-Term Incentive plan trust where Cao has investment control, and 34,470 shares held indirectly through a spouse.

Positive

  • None.

Negative

  • None.
Insider Cao Min
Role VP
Bought 55 shs ($4K)
Type Security Shares Price Value
Purchase Common Shares (2330.TW) F1, F2, F3 55 $73.31 $4K
holding Common Shares (2330.TW) -- -- --
holding Common Shares (2330.TW) F4 -- -- --
holding Common Shares (2330.TW) -- -- --
Holdings After Transaction: Common Shares (2330.TW) — 6,717 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 507,879 shares (Direct); Common Shares (2330.TW) — 10,581 shares (Indirect, By LTI Trust); Common Shares (2330.TW) — 34,470 shares (Indirect, By Spouse)
Footnotes (4)
  1. F1. 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. F2. The price was translated from the average purchase price of NT$2,367.1117 in New Taiwan dollars, at the rate of NT$32.288 to US$1.
  3. F3. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").
  4. F4. 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 purchased 55 shares Indirect purchase on August 7, 2026 via ESPP administrator
Purchase price $73.31 per share Price for 55 Common Shares acquired under ESPP
Direct holdings after transaction 507,879 shares Common Shares held directly by Min Cao following reported transactions
ESPP trust holdings after transaction 6,717 shares Common Shares held indirectly via ESPP trust for Min Cao
LTI trust holdings after transaction 10,581 shares Common Shares held by LTI Bonus Plan trust with investment control by Min Cao
Spouse indirect holdings 34,470 shares Common Shares reported as held indirectly through spouse
NTD purchase price NT$2,367.1117 Average ESPP purchase price in New Taiwan dollars per share
FX rate NT$32.288 to US$1 Exchange rate used to translate ESPP purchase price into U.S. dollars
Employee Stock Purchase Plan ("ESPP") financial
"Common Shares purchased by the administrator of 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"
investment control financial
"Bonus Plan, over which the filer has obtained investment control"
indirect ownership financial
"total_shares_following_transaction 6717.0000, direct_or_indirect "I", nature_of_ownership "By ESPP Trust""

FAQ

What insider transaction did TSM VP Min Cao report on this Form 4?
Min Cao reported an indirect purchase of 55 Common Shares of TSM on August 7, 2026 at $73.31 per share. The shares were acquired through the company’s Employee Stock Purchase Plan and held in an ESPP trust.

How many TSM shares does Min Cao hold directly and indirectly after this transaction?
After the reported transaction, Min Cao is shown holding 507,879 shares directly and additional indirect holdings of 6,717 ESPP trust shares, 10,581 LTI trust shares, and 34,470 shares held by a spouse.

Was the TSM share purchase by Min Cao made under a predetermined plan?
Yes. Footnotes state the 55 Common Shares were purchased by the administrator of TSM’s Employee Stock Purchase Plan on Cao’s behalf pursuant to terms predetermined by the issuer.

What was the effective price and currency basis for Min Cao’s TSM share purchase?
The reported purchase price was $73.31 per share, translated from an average price of NT$2,367.1117 using an exchange rate of NT$32.288 to US$1, according to the filing footnote.

What indirect TSM holdings does Min Cao report through incentive plans and spouse ownership?
Indirect holdings include 6,717 shares in an ESPP trust, 10,581 shares in a Long-Term Incentive Bonus Plan trust over which Cao has investment control, and 34,470 shares held by a spouse.

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Form 4 Insider Transactions: What Each Field Means →
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*
Cao Min
(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)
VP
2a. Foreign Trading Symbol
[2330.TW]
3. Date of Earliest Transaction (Month/Day/Year)
08/07/2026		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)507,879D
Common Shares (2330.TW)08/07/2026(1)P55A$73.31(2)6,717(3)IBy ESPP Trust
Common Shares (2330.TW)10,581(4)IBy LTI Trust
Common Shares (2330.TW)34,470IBy 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$2,367.1117 in New Taiwan dollars, at the rate of NT$32.288 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-fact08/10/2026
** 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