Yao-Ching Ku

CIK: 0002135989

Transaction Breakdown

Open Market Buys (P)5 (100.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

TSM

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Officer

Discretionary Trading P&L

Holdings

Transaction History (5 total)

TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Oct 7, 2026
Purchase(P)
Indirect
46 shares at avg. $79.39$4K
TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Sep 7, 2026
Purchase(P)
Indirect
47 shares at avg. $76.20$4K
TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Aug 7, 2026
Purchase(P)
Indirect
47 shares at avg. $73.31$3K
TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Jul 7, 2026
Purchase(P)
Indirect
46 shares at avg. $76.62$4K
TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Jun 5, 2026
Purchase(P)
Indirect
48 shares at avg. $76.01$4K

		Type	Shares	Price		Ownership
Oct 7, 2026	TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD	Purchase(P)	46	$79.39	$3,652	Indirect
Sep 7, 2026	TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD	Purchase(P)	47	$76.20	$3,581	Indirect
Aug 7, 2026	TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD	Purchase(P)	47	$73.31	$3,446	Indirect
Jul 7, 2026	TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD	Purchase(P)	46	$76.62	$3,525	Indirect
Jun 5, 2026	TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD	Purchase(P)	48	$76.01	$3,648	Indirect

1-5 of 5 transactions

About Ku Yao-Ching

Ku Yao-Ching (SEC CIK 0002135989) files insider reports with the SEC as VP of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM).

Signal8 holds 7 ownership filings by Ku Yao-Ching (2 Form 3, 5 Form 4), filed between Jun 1, 2026 and Oct 8, 2026. Those filings report 5 transactions, from Jun 5, 2026 to Oct 7, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Ku Yao-Ching's filings is in HSINCHU.

Recent filings by Ku Yao-Ching

Oct 7, 2026: Open-market purchase of TSM shares (Form 4, code P).
Sep 7, 2026: Open-market purchase of TSM shares (Form 4, code P).
Aug 7, 2026: Open-market purchase of TSM shares (Form 4, code P).
Jul 7, 2026: Open-market purchase of TSM shares (Form 4, code P).
Jun 5, 2026: Open-market purchase of TSM shares (Form 4, code P).

Other insiders filing for TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM)

Yuan Lipen, VP
Yeap Choh Fei, SVP
Zhang Kevin Xiaoqiang, SVP and Deputy Co-COO
Yoo Chue-San, VP
Wu Shien-Yang, SVP
Wei Che-Chia, Chairman and CEO

How to read Form 4 transaction codes