WEAVER GREGORY L 4
4 · Altimmune, Inc. · Filed Nov 12, 2025
Insider Transaction Report
Form 4
WEAVER GREGORY L
Chief Financial Officer
Transactions
- Exercise/Conversion
Common Stock, par value $0.0001
2025-11-11+18,750→ 28,750 total - Exercise/Conversion
Restricted Stock Units
2025-11-11−18,750→ 56,250 total→ Common Stock, par value $0.0001 (18,750 underlying) - Tax Payment
Common Stock, par value $0.0001
2025-11-11$4.28/sh−5,672$24,276→ 23,078 total
Footnotes (3)
- [F1]Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.0001, when vested.
- [F2]Vesting transaction: Shares surrendered to the Issuer solely to cover taxes associated with vesting of RSUs.
- [F3]The RSUs become vested over four (4) years with 25% of the shares vesting on November 11, 2025, with the remainder vesting in equal annual installments for the following three (3) years, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.