Richardson Linda M sold ALT
September 16, 2026 · Form 4 insider transaction
Richardson Linda M sold 6,826 shares of Altimmune, Inc. at $3.24 per share, a transaction worth $22.1K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Disposed (sell-side)
Shares
6,826
Price
$3.24
Total value
$22.1K
InsiderRichardson Linda M
RoleOfficer
CompanyAltimmune, Inc. (ALT)
SecurityCommon Stock, par value $0.0001
Transaction codeF: Shares withheld for taxes
Transaction dateSeptember 16, 2026
Filing dateSeptember 17, 2026
Shares owned after17,174
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Vesting transaction: Shares surrendered to the Issuer solely to cover taxes associated with vesting of RSUs.