CHESS ROBERT bought TWST
March 17, 2026 · Form 4 insider transaction
CHESS ROBERT bought 10,000 shares of Twist Bioscience Corporation at $11.89 per share, a transaction worth $118.9K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
10,000
Price
$11.89
Total value
$118.9K
InsiderCHESS ROBERT
RoleDirector
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateMarch 17, 2026
Filing dateMarch 19, 2026
Shares owned after31,084
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on December 10, 2025.