Leproust Emily M. bought TWST
September 17, 2026 · Form 4 insider transaction
Leproust Emily M. bought 133,269 shares of Twist Bioscience Corporation at $26.66 per share, a transaction worth $3.55M. 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
133,269
Price
$26.66
Total value
$3.55M
InsiderLeproust Emily M.
RoleOfficer, Director
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateSeptember 17, 2026
Filing dateSeptember 21, 2026
Shares owned after901,696
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 June 15, 2026.