TSM
Taiwan Semiconductor Manufacturing Co Ltd
$13.82M
Trend reversal
Discretionary Insider Activity
Date:
05/19/2026
Insiders:
Tien Bor-Zen, VP, and 1 others
Prior trend:
9 weeks of insider buying

Summary

The buying trend reversal for Taiwan Semiconductor Manufacturing Co Ltd (TSM) on 05/19/2026 with a $13.82M sell after 9 weeks of insider buying.

Reports

Action Amount Date Insider Role(s) SEC Filing No
Buy $140K 05/19/2026 Tien Bor-Zen VP 0001046179-26-000285
Sell $13.97M 05/19/2026 Chuang Tzu-Sou VP 0001046179-26-000286
Buy $7K 05/21/2026 Tien Bor-Zen VP 0001046179-26-000288

Stake Changes

Action Insider Role(s) Total Change % Change
Sell Tien Bor-Zen VP $147K 98.8%
Sell Chuang Tzu-Sou VP $13.97M 7.4%

Transactions

Action Amount Date Insider Security Type SEC Code
Buy $70K 05/19/2026 Tien Bor-Zen Common Shares (2330.TW) Discretionary Purchase
Buy $70K 05/19/2026 Tien Bor-Zen Common Shares (2330.TW) Discretionary Purchase
Sell $13.97M 05/19/2026 Chuang Tzu-Sou Common Shares (2330.TW) Discretionary Sale
Buy $4K 05/19/2026 Tien Bor-Zen American Depositary Shares (TSM) Discretionary Purchase
Buy $3K 05/20/2026 Tien Bor-Zen American Depositary Shares (TSM) Discretionary Purchase

Stats

Prior max multiple:
42.9
Prior median multiple:
121.6

Metadata

Signal ID:
IoYY8hy9wMNlxw1d
Scanned on:
06/01/2026
Status:
Current