Tien Bor-Zen bought TSM
May 19, 2026 · Form 4 insider transaction
Tien Bor-Zen bought 10 shares of Taiwan Semiconductor Manufacturing Company Limited at $391.81 per share, a transaction worth $3.9K. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
10
Price
$391.81
Total value
$3.9K
InsiderTien Bor-Zen
Role—
SecurityAmerican Depositary Shares (TSM)
Transaction codeP: Open-market purchase
Transaction dateMay 19, 2026
Filing dateMay 21, 2026
Shares owned after100
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Each American Depositary Share represents five (5) Common Shares.