Altimmune, Inc.: CFO Gregory L Weaver exercised 14,475 shares

What happened Gregory L Weaver, chief financial officer, exercised or converted 14,475 restricted stock units into shares on Oct 1, 2026. The filing shows 4,379 shares were surrendered to the issuer to cover taxes at $2.76 per share for $12,086, and a derivative entry for 14,475 shares is listed as disposed with a $0 value.

Key details

• Transaction date(s) and price(s): Oct 1, 2026; conversion/exercise entries at $0.00; tax withholding share price $2.76 resulting in $12,086 withheld.
• Shares owned after the transaction: not reported in this filing.
• Relevant footnotes:
  • Each RSU represents a contingent right to receive one share when vested.
  • Shares were surrendered solely to cover taxes associated with RSU vesting.
  • RSUs vest over four years with 25% vesting on Oct 1, 2026 and the remainder in equal annual installments over the next three years; RSUs have no expiration date.
• Filing timeliness: not indicated in the filing.

Why it may matter

• The transaction reflects RSU vesting with shares converted and a portion withheld to cover tax obligations (a withholding rather than a market sale).
• The filing shows an exercise/conversion of derivative RSUs and a tax-withholding disposition; it does not explain the insider's reasons or the company's reasons for the action.

A filing does not show why the insider traded or why the company acted.