Taiwan Semiconductor plan buys 54 shares for Chue-San Yoo

Q: How many TSM shares were purchased for Chue-San Yoo?

The ESPP administrator purchased 54 common shares on November 6, 2026, on Chue-San Yoo's behalf at $70.50 per share. The shares were held by the ESPP Trust, which reported 6,798 shares after the purchase.

The $70.50 per-share figure reflects an average purchase price converted from New Taiwan dollars at the reported exchange rate.

Available on EDGAR 11/10/2026 - 06:41 AM EST Accepted by SEC EDGAR 11/10/2026 - 06:41 AM EST

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Rhea-AI Filing Summary

Taiwan Semiconductor Manufacturing Co. (TSM) reported that its Employee Stock Purchase Plan administrator purchased 54 common shares on behalf of Chue-San Yoo, a VP, on November 6, 2026, at $70.50 per share. The shares were held by the ESPP Trust, which reported 6,798 shares after the purchase. Other reported positions that day were 1,805,789 shares directly, 7,036 through the LTI Trust, 219,924 through his spouse, and 851,908 through Yuding Investment Co., Ltd. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Net Buyer: 54 shares

Net Buy 1 txn

Insider Yoo Chue-San

Role VP

Bought 54 shs ($4K)

Increase in Position 0.80%

Type	Security	Shares	Price	Value
Purchase	Common Shares (2330.TW) ^{F1, F2, F3}	54	$70.50	$4K
Holding	Common Shares (2330.TW)	--	--	--
Holding	Common Shares (2330.TW) ^F4	--	--	--
Holding	Common Shares (2330.TW)	--	--	--
Holding	Common Shares (2330.TW)	--	--	--

Holdings After Transaction: Common Shares (2330.TW) — 6,798 shares (Indirect, By ESPP Trust); Common Shares (2330.TW) — 1,805,789 shares (Direct); Common Shares (2330.TW) — 7,036 shares (Indirect, By LTI Trust); Common Shares (2330.TW) — 219,924 shares (Indirect, By Spouse); Common Shares (2330.TW) — 851,908 shares (Indirect, By Yuding Investment Co., Ltd.)

Holdings Before and After: Common Shares (2330.TW), 6,744 to 6,798 shares (Indirect, By ESPP Trust)

Other Insiders: 30 other insiders reported open-market purchases of this stock in the 30 days up to this filing.

Footnotes (4)

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.
F2. The price was translated from the average purchase price of NT$2,309.9996 in New Taiwan dollars, at the rate of NT$32.768 to US$1.
F3. Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").
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

Shares purchased: 54 common shares Purchase price: $70.50 per share Average purchase price: NT$2,309.9996 per share +5 more

8 metrics

Shares purchased 54 common shares Through the ESPP on November 6, 2026

Purchase price $70.50 per share Reported for the November 6, 2026 purchase

Average purchase price NT$2,309.9996 per share Translated at NT$32.768 to US$1

ESPP Trust shares 6,798 shares Reported after the purchase on November 6, 2026

Direct shares 1,805,789 shares Reported on November 6, 2026

LTI Trust shares 7,036 shares Reported on November 6, 2026

Spouse-held shares 219,924 shares Reported on November 6, 2026

Yuding Investment Co., Ltd. shares 851,908 shares Reported on November 6, 2026

Key Terms

Employee Stock Purchase Plan, Long-Term Incentive (LTI) Bonus Plan, investment control, Rule 10b5-1

4 terms

Employee Stock Purchase Plan financial

"issuer's Employee Stock Purchase Plan"

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.

Long-Term Incentive (LTI) Bonus Plan financial

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

investment control technical

"obtained investment control"

Rule 10b5-1 regulatory

"Rule 10b5-1 plan"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

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

How many TSM shares were purchased for Chue-San Yoo?

The ESPP administrator purchased 54 common shares on November 6, 2026, on Chue-San Yoo's behalf at $70.50 per share. The shares were held by the ESPP Trust, which reported 6,798 shares after the purchase.

How was the TSM purchase price converted?

The reported $70.50 per-share price was translated from an average purchase price of NT$2,309.9996 at NT$32.768 to US$1.

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

Form 4 Insider Transactions: What Each Field Means →

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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^*

Yoo Chue-San

(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)
11/06/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Shares (2330.TW)								1,805,789	D
Common Shares (2330.TW)	11/06/2026⁽¹⁾		P		54	A	$70.5⁽²⁾	6,798	I	By ESPP Trust⁽³⁾
Common Shares (2330.TW)								7,036	I	By LTI Trust⁽⁴⁾
Common Shares (2330.TW)								219,924	I	By Spouse
Common Shares (2330.TW)								851,908	I	By Yuding 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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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$2,309.9996 in New Taiwan dollars, at the rate of NT$32.768 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	11/10/2026
	** 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)

Source: View Original Filing on SEC EDGAR