Altimmune, Inc.·4

Sep 17, 4:38 PM ET

Richardson Linda M 4

4 · Altimmune, Inc. · Filed Sep 17, 2025

Insider Transaction Report

Form 4
Period: 2025-09-16
Richardson Linda M
Chief Commercial Officer
Transactions
  • Award

    Restricted Stock Units

    2025-09-16+96,00096,000 total
    Common Stock, par value $0.0001 (96,000 underlying)
  • Award

    Stock Options (option to buy)

    2025-09-16+278,000278,000 total
    Exercise: $3.63Exp: 2035-09-16Common Stock, par value $0.0001 (278,000 underlying)
Footnotes (3)
  • [F1]The shares underlying the option become vested and exercisable over four (4) years with 25% of the shares vesting on September 16, 2026, 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.
  • [F2]Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.0001, when vested
  • [F3]The RSUs become vested over four (4) years with 25% of the shares vesting September 16, 2026, 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.

Documents

1 file
  • 4
    tm2526275-2_4seq1.xmlPrimary

    OWNERSHIP DOCUMENT