Chue-San Yoo

CIK: 0002113775

Transaction Breakdown

Open Market Buys (P)7 (87.5%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)1 (12.5%)

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 (8 total)

TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Oct 7, 2026
Purchase(P)
Indirect
50 shares at avg. $79.39$4K
TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Sep 7, 2026
Purchase(P)
Indirect
53 shares at avg. $76.20$4K
TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Sep 1, 2026
Award(A)
Direct
8.2K shares-
TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Aug 7, 2026
Purchase(P)
Indirect
51 shares at avg. $73.31$4K
TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Jul 7, 2026
Purchase(P)
Indirect
51 shares at avg. $76.62$4K
TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Jun 5, 2026
Purchase(P)
Indirect
53 shares at avg. $76.01$4K
TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
May 8, 2026
Purchase(P)
Indirect
55 shares at avg. $71.82$4K
TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Apr 9, 2026
Purchase(P)
Indirect
65 shares at avg. $57.87$4K

		Type	Shares	Price		Ownership
Oct 7, 2026	TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD	Purchase(P)	50	$79.39	$3,970	Indirect
Sep 7, 2026	TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD	Purchase(P)	53	$76.20	$4,039	Indirect
Sep 1, 2026	TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD	Award(A)	8,175	-	$0	Direct
Aug 7, 2026	TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD	Purchase(P)	51	$73.31	$3,739	Indirect
Jul 7, 2026	TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD	Purchase(P)	51	$76.62	$3,908	Indirect
Jun 5, 2026	TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD	Purchase(P)	53	$76.01	$4,029	Indirect
May 8, 2026	TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD	Purchase(P)	55	$71.82	$3,950	Indirect
Apr 9, 2026	TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD	Purchase(P)	65	$57.87	$3,762	Indirect

1-8 of 8 transactions

About Yoo Chue-San

Yoo Chue-San (SEC CIK 0002113775) files insider reports with the SEC as VP of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM).

Signal8 holds 9 ownership filings by Yoo Chue-San (1 Form 3, 8 Form 4), filed between Mar 18, 2026 and Oct 8, 2026. Those filings report 8 transactions, from Apr 9, 2026 to Oct 7, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Yoo Chue-San's filings is in HSINCHU.

Recent filings by Yoo Chue-San

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).
Sep 1, 2026: Grant or award of TSM shares (Form 4, code A).
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).

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
Wu Shien-Yang, SVP
Wei Che-Chia, Chairman and CEO
Wu Yi-Huang, VP

How to read Form 4 transaction codes