LaChapelle Robin bought AVBP
October 30, 2026 · Form 4 insider transaction
LaChapelle Robin bought 4,550 shares of ArriVent BioPharma, Inc. at $2.28 per share, a transaction worth $10.4K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 3 days after the transaction.
Direction
Acquired (buy-side)
Shares
4,550
Price
$2.28
Total value
$10.4K
InsiderLaChapelle Robin
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateOctober 30, 2026
Filing dateNovember 2, 2026
Shares owned after156,961
OwnershipDirect
10b5-1 planNo
AmendedNo