CHESS ROBERT bought TWST
August 7, 2026 · Form 4 insider transaction
CHESS ROBERT bought 18,417 shares of Twist Bioscience Corporation at $11.89 per share, a transaction worth $219.0K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Acquired (buy-side)
Shares
18,417
Price
$11.89
Total value
$219.0K
InsiderCHESS ROBERT
RoleDirector
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateAugust 7, 2026
Filing dateAugust 11, 2026
Shares owned after39,501
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 May 8, 2026.