Taiwan Semiconductor VP Min Cao buys 51 shares

The $79.39 per-share figure reflects an average purchase price of NT$2,524.2277 translated at NT$31.795 per US$1.

Rhea-AI Filing Summary

Taiwan Semiconductor Manufacturing Co Ltd (TSM) VP Min Cao had 51 Common Shares purchased on Min Cao’s behalf by the administrator of the issuer’s Employee Stock Purchase Plan on October 7, 2026, under terms predetermined by the issuer. The shares were held through the ESPP Trust, with a reported resulting position of 6,824 shares. The translated price was $79.39 per share. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Net Buyer: 51 shares

Net Buy 4 txns

Insider Cao Min

Role VP

Bought 51 shs ($4K)

Type	Security	Shares	Price	Value
Purchase	Common Shares (2330.TW) F1, F2, F3	51	$79.39	$4K
holding	Common Shares (2330.TW)	--	--	--
holding	Common Shares (2330.TW) F4	--	--	--
holding	Common Shares (2330.TW)	--	--	--

Holdings After Transaction: Common Shares (2330.TW) — 6,824 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 520,760 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$2,524.2277 in New Taiwan dollars, at the rate of NT$31.795 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.

Key Figures

Common Shares purchased: 51 shares Translated purchase price: $79.39 per share ESPP Trust position following purchase: 6,824 shares +3 more

6 metrics

Common Shares purchased 51 shares October 7, 2026; purchased by the Employee Stock Purchase Plan administrator on Min Cao’s behalf

Translated purchase price $79.39 per share October 7, 2026 purchase

ESPP Trust position following purchase 6,824 shares Reported following the October 7, 2026 purchase

Direct Common Shares 520,760 shares Reported October 7, 2026

LTI Trust Common Shares 10,581 shares Reported October 7, 2026; Min Cao had investment control

Spouse-held Common Shares 34,470 shares Reported October 7, 2026

Key Terms

Employee Stock Purchase Plan ("ESPP"), Long-Term Incentive ("LTI") Bonus Plan, investment control

3 terms

Employee Stock Purchase Plan ("ESPP") financial

"purchased and held under the issuer’s Employee Stock Purchase Plan"

Long-Term Incentive ("LTI") Bonus Plan financial

"cash received under the issuer’s Long-Term Incentive ("LTI") Bonus Plan"

investment control financial

"over which the filer has obtained investment control"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many TSM shares did Min Cao buy, and at what price?

Min Cao had 51 Common Shares purchased for $79.39 per share on October 7, 2026. The Employee Stock Purchase Plan administrator made the purchase on Min Cao’s behalf under terms predetermined by the issuer, and the shares were held in the ESPP Trust; the reported resulting position there was 6,824 shares. No Rule 10b5-1 plan is reported.

How was the TSM share purchase price converted?

The reported $79.39 per-share price was translated from an average purchase price of NT$2,524.2277 using a rate of NT$31.795 per US$1.

What other TSM share holdings were reported for Min Cao?

The listed positions on October 7, 2026 included 520,760 Common Shares held directly, 10,581 shares held by the LTI Trust over which Min Cao had investment control, and 34,470 shares held by the spouse.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/08/2026 - 06:13 AM Accepted by SEC EDGAR 10/08/2026 - 06:12 AM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED 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)

HSINCHU TAIWAN 300096

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP

2a. Foreign Trading Symbol
[2330.TW]

3. Date of Earliest Transaction (Month/Day/Year)
10/07/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Shares (2330.TW)								520,760	D
Common Shares (2330.TW)	10/07/2026(1)		P		51	A	$79.39(2)	6,824	I	By ESPP Trust(3)
Common Shares (2330.TW)								10,581	I	By LTI Trust(4)
Common Shares (2330.TW)								34,470	I	By 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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount 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$2,524.2277 in New Taiwan dollars, at the rate of NT$31.795 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-fact	10/08/2026
	** Signature of Reporting Person	Date
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)