LaChapelle Robin bought AVBP
October 30, 2026 · Form 4 insider transaction
LaChapelle Robin bought 17,648 shares of ArriVent BioPharma, Inc. at $6.24 per share, a transaction worth $110.1K. 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
17,648
Price
$6.24
Total value
$110.1K
InsiderLaChapelle Robin
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateOctober 30, 2026
Filing dateNovember 2, 2026
Shares owned after176,429
OwnershipDirect
10b5-1 planNo
AmendedNo