Yao-Ching Ku Buys $3.45K of Taiwan Semiconductor Manufacturing Co Ltd (TSM) — SEC Form 4, Aug 10, 2026

Open-Market Net Purchase · SEC Form 4

+$3,446

Equity position changed by +0.0%

Reporting Owner

Yao-Ching Ku

TXN 2026-08-07 · FILED 2026-08-10

Equity Position 235K sh 234,891 → 234,938

Equity Change +0.0% shares held after vs before

Filing Lag 1 business day within 2-day SEC deadline

Form 4 · Statement of Changes in Beneficial Ownership

Taiwan Semiconductor Manufacturing Co Ltd

TSM CIK 0001046179

Reporting Owner

Name	Relationship
Yao-Ching Ku CIK 0002135989	VP

Yao-Ching Ku at Taiwan Semiconductor Manufacturing Co Ltd Full insider history

Bought (12 mo) $17,852

Sold (12 mo) —

More from this insider at Taiwan Semiconductor Manufacturing Co Ltd

Non-Derivative Securities Transactions

Title	Date	Type	Shares	Price	Net Total	Post-Txn	Ownership
Common Shares (2330.TW)F1 F2 F3	2026-08-07	P - Purchase	47 A	$73.31	+$3,446	141	Indirect By ESPP Trust

Non-Derivative Holdings

Title	Shares Held	Ownership
Common Shares (2330.TW)	30,851	Direct
Common Shares (2330.TW)	72,946	Indirect By Spouse
Common Shares (2330.TW)	131,000	Indirect By Wei Liang Asset Management Co. Ltd.

Footnotes (3)

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. Show more
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. Show more
F3: Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP"). Show more

Institutional Holders

Largest by reported value

5%+ Holders · 13D/G 1 filer

Latest Schedule 13D/G per filer; stakes the filer reported closed are left out.

Other insiders at Taiwan Semiconductor Manufacturing Co Ltd

GET /v1/forms/4/0001046179-26-000499 API docs