WEAVER GREGORY L bought ALT
February 26, 2026 · Form 4 insider transaction
WEAVER GREGORY L bought 259,000 shares of Altimmune, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
259,000
Price
$0.00
Total value
N/A
InsiderWEAVER GREGORY L
RoleOfficer
CompanyAltimmune, Inc. (ALT)
SecurityStock Options (option to buy)
Transaction codeA: Grant or award
Transaction dateFebruary 26, 2026
Filing dateFebruary 27, 2026
Shares owned after259,000
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The shares underlying the option become vested and exercisable over four (4) years with 25% of the shares vesting on February 26, 2027, with the remainder vesting in equal monthly installments for the following thirty-six (36) months, subject to the reporting person's continued service on each applicable vesting date.