AlphaYouBT
Insider buying
Bor-Zen Tien bought $74K of Taiwan Semiconductor Manufacturing Co Ltd (TSM) stock
Bor-Zen Tien, VP of Taiwan Semiconductor Manufacturing Co Ltd (TSM), bought 1,015 shares of TSM stock worth $74K, per an SEC Form 4 filed Jul 30, 2026.
It was an open-market purchase.
The trade happened on Jul 28, 2026, 2 days before it was made public.
TSM has moved +13.5% since the trade date, from $392.31 to $445.14 (Sep 21, 2026 close).
- Traded
- Jul 28, 2026
- Disclosed
- Jul 30, 2026
- Filing delay
- 2 days
- Price since
- +13.5%
- Role
- VP
- Source
- SEC Form 4
More TSM insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.