Sohn Catherine A. bought ALT
January 5, 2026 · Form 4 insider transaction
Sohn Catherine A. bought 500 shares of Altimmune, Inc. at $4.24 per share, a transaction worth $2.1K. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 0 days after the transaction.
Direction
Acquired (buy-side)
Shares
500
Price
$4.24
Total value
$2.1K
InsiderSohn Catherine A.
RoleDirector
CompanyAltimmune, Inc. (ALT)
SecurityCommon Stock, par value $0.0001
Transaction codeP: Open-market purchase
Transaction dateJanuary 5, 2026
Filing dateJanuary 5, 2026
Shares owned after1,500
OwnershipDirect
10b5-1 planNo
AmendedNo