Arbet-Engels Christophe sold ALT
October 1, 2026 · Form 4 insider transaction
Arbet-Engels Christophe sold 12,679 shares of Altimmune, Inc. at $2.76 per share, a transaction worth $35.0K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Disposed (sell-side)
Shares
12,679
Price
$2.76
Total value
$35.0K
InsiderArbet-Engels Christophe
RoleOfficer
CompanyAltimmune, Inc. (ALT)
SecurityCommon Stock, par value $0.0001
Transaction codeF: Shares withheld for taxes
Transaction dateOctober 1, 2026
Filing dateOctober 5, 2026
Shares owned after24,821
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Vesting transaction: Shares surrendered to the Issuer solely to cover taxes associated with vesting of RSUs.