STOCK TITAN
  1. Home
  2. Sec-filings
  3. TSM
  4. [Form 4] TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD Insider Trading Activity

TSMC (NYSE: TSM) SVP adds shares through employee stock plan

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

Rhea-AI Filing Summary

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD senior executive Hou Yung-Chin reported a small open-market-equivalent purchase through the company’s employee stock plan. On this Form 4, an Employee Stock Purchase Plan trust bought 62 Common Shares (2330.TW) at $76.01 per share on the filer’s behalf under predetermined ESPP terms.

After this transaction, the ESPP trust holds 7,336 shares for the filer. Additional indirect holdings include 60,802 shares held by the spouse and 20,190 shares held by an LTI trust. Direct ownership is reported at 662,403 Common Shares, indicating this is a routine, small incremental purchase relative to the overall position.

Positive

  • None.

Negative

  • None.
Insider Hou Yung-Chin
Role SVP and Deputy Co-COO
Bought 62 shs ($5K)
Type Security Shares Price Value
Purchase Common Shares (2330.TW) 62 $76.01 $5K
holding Common Shares (2330.TW) -- -- --
holding Common Shares (2330.TW) -- -- --
holding Common Shares (2330.TW) -- -- --
Holdings After Transaction: Common Shares (2330.TW) — 7,336 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 662,403 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$2,392.5207 in New Taiwan dollars, at the rate of NT$31.475 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 size 62 shares Common Shares (2330.TW) bought via ESPP trust
ESPP purchase price $76.01/share Translated from NT$2,392.5207 at NT$31.475 per US$1
ESPP trust holdings 7,336 shares Indirect ownership after ESPP purchase
Spouse indirect holdings 60,802 shares Indirect ownership by spouse
LTI trust holdings 20,190 shares Indirect ownership by LTI trust
Direct holdings 662,403 shares Direct ownership following the reported transactions
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 ... direct_or_indirect "I" ... nature_of_ownership "By Spouse""
See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
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*
Hou Yung-Chin
(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 and Deputy Co-COO
2a. Foreign Trading Symbol
[2330.TW]
3. Date of Earliest Transaction (Month/Day/Year)
06/05/2026		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)662,403D
Common Shares (2330.TW)06/05/2026(1)PV62A$76.01(2)7,336(3)IBy ESPP Trust
Common Shares (2330.TW)20,190(4)IBy LTI Trust
Common Shares (2330.TW)60,802IBy 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$2,392.5207 in New Taiwan dollars, at the rate of NT$31.475 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/ Shu-Hua Fang, as attorney-in-fact06/09/2026
** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did TSM (TSMC) report for Hou Yung-Chin?

TSMC reported that SVP and Deputy Co-COO Hou Yung-Chin had 62 Common Shares (2330.TW) purchased on his behalf through the company’s Employee Stock Purchase Plan at $76.01 per share, reflected as an indirect ownership position via an ESPP trust.

How many TSM shares did the ESPP trust hold for Hou Yung-Chin after the Form 4?

After the reported transaction, the ESPP trust held 7,336 TSM Common Shares for Hou Yung-Chin. This balance reflects the new 62-share purchase at $76.01 per share added to his existing employee stock purchase plan holdings under predetermined plan terms.

What are Hou Yung-Chin’s indirect TSM holdings via spouse and LTI trust?

The filing shows 60,802 TSM Common Shares held indirectly through Hou Yung-Chin’s spouse and 20,190 shares held indirectly through a Long-Term Incentive (LTI) bonus plan trust. These positions are reported as indirect ownership interests in addition to the ESPP trust holdings.

How many TSM shares does Hou Yung-Chin own directly after this filing?

The Form 4 reports that Hou Yung-Chin directly owns 662,403 TSM Common Shares following the transactions. This direct position sits alongside indirect holdings via his spouse, an LTI trust, and an ESPP trust that collectively add to his overall reported ownership exposure.

Was the TSM share purchase by Hou Yung-Chin an open-market buy?

The filing classifies the 62-share transaction as an open-market purchase (code P) executed by the administrator of TSM’s Employee Stock Purchase Plan. The shares were bought on predetermined ESPP terms and then held in an ESPP trust for the benefit of Hou Yung-Chin.

What exchange rate and local price were used for the TSM ESPP purchase?

The 62-share ESPP purchase price of $76.01 per share was translated from an average price of NT$2,392.5207 in New Taiwan dollars, using an exchange rate of NT$31.475 to US$1, according to the footnote included with the Form 4 disclosure.