Tien Bor-Zen bought TSM
October 7, 2026 · Form 4 insider transaction
Tien Bor-Zen bought 7 shares of Taiwan Semiconductor Manufacturing Company Limited at $79.39 per share, a transaction worth $555.73. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
7
Price
$79.39
Total value
$555.73
InsiderTien Bor-Zen
Role—
SecurityCommon Shares (2330.TW)
Transaction codeP: Open-market purchase
Transaction dateOctober 7, 2026
Filing dateOctober 8, 2026
Shares owned after92
OwnershipIndirect
10b5-1 planNo
AmendedNo
Footnotes
Common Shares purchased by the administrator of the issuer's Employee Stock Purchase Plan ("ESPP") on behalf of the filer's Immediate Family Member, who is a TSMC employee, pursuant to terms predetermined by the issuer.; The price was translated from the average purchase price of NT$2,524.2277 in New Taiwan dollars, at the rate of NT$31.795 to US$1.