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TSM (NYSE: TSM) VP Liaw adds ESPP shares while holding over 900K total

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

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD VP Liaw Yung-Haw reported a small open-market purchase of common shares through an employee plan. An administrator of the issuer’s Employee Stock Purchase Plan bought 53 common shares on May 8, 2026 at $71.82 per share, held indirectly via an ESPP trust.

Following this transaction, Liaw holds 6,145 common shares indirectly through the ESPP trust, 7,036 common shares indirectly through an LTI Trust, 430,000 common shares indirectly via Hsing Yu Investment Co., Ltd., and 463,054 common shares directly. The ESPP purchase price reflects translation from an average price of NT$2,257.1777 at an exchange rate of NT$31.429 to US$1.

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Insider Liaw Yung-Haw
Role VP
Bought 53 shs ($4K)
Type Security Shares Price Value
Purchase Common Shares (2330.TW) 53 $71.82 $4K
holding Common Shares (2330.TW) -- -- --
holding Common Shares (2330.TW) -- -- --
holding Common Shares (2330.TW) -- -- --
Holdings After Transaction: Common Shares (2330.TW) — 6,145 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 463,054 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$2,257.1777 in New Taiwan dollars, at the rate of NT$31.429 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 shares purchased 53 shares Open-market purchase via ESPP on May 8, 2026
Purchase price $71.82 per share ESPP common share purchase price
ESPP holdings after transaction 6,145 shares Indirect ownership via ESPP trust after purchase
Indirect Hsing Yu holdings 430,000 shares Indirect ownership via Hsing Yu Investment Co., Ltd.
Indirect LTI Trust holdings 7,036 shares Indirect ownership via LTI Trust
Direct holdings 463,054 shares Common shares held directly after reported transactions
NT dollar ESPP price NT$2,257.1777 Average purchase price in New Taiwan dollars
FX rate used NT$31.429 to US$1 Exchange rate for translating 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
"nature_of_ownership: By Hsing Yu Investment Co., Ltd.; By LTI Trust; By ESPP Trust"
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*
Liaw Yung-Haw
(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)
05/08/2026		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)463,054D
Common Shares (2330.TW)05/08/2026(1)PV53A$71.82(2)6,145(3)IBy ESPP Trust
Common Shares (2330.TW)7,036(4)IBy LTI Trust
Common Shares (2330.TW)430,000IBy Hsing Yu Investment 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$2,257.1777 in New Taiwan dollars, at the rate of NT$31.429 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-fact05/11/2026
** 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

FAQ

What insider transaction did TSM VP Liaw Yung-Haw report on this Form 4?

Liaw Yung-Haw reported a small purchase of 53 TSM common shares through the company’s Employee Stock Purchase Plan. The shares were acquired on May 8, 2026 and are held indirectly via an ESPP trust on predetermined plan terms.

At what price were the 53 TSM shares purchased under the ESPP?

The 53 TSM common shares were purchased at $71.82 per share. This U.S. dollar price was translated from an average purchase price of NT$2,257.1777 using an exchange rate of NT$31.429 to US$1 disclosed in the filing.

How many TSM shares does Liaw Yung-Haw hold after the reported ESPP purchase?

After the ESPP purchase, Liaw holds 6,145 TSM common shares through the ESPP trust, 7,036 shares via an LTI Trust, 430,000 shares via Hsing Yu Investment Co., Ltd., and 463,054 shares directly, according to the holdings lines in the Form 4.

How were the TSM ESPP shares acquired for Liaw Yung-Haw?

The ESPP shares were purchased by the plan administrator on Liaw’s behalf under terms predetermined by the issuer. The filing notes the common shares were bought and held under the Employee Stock Purchase Plan rather than by Liaw transacting directly in the market.

What indirect ownership structures are disclosed for Liaw Yung-Haw’s TSM holdings?

The Form 4 shows indirect ownership through multiple entities. These include Hsing Yu Investment Co., Ltd. for 430,000 shares, an LTI Trust for 7,036 shares, and an ESPP trust for 6,145 shares, in addition to 463,054 shares held directly in Liaw’s name.