InsiderTrades

Form 4 for ALT Altimmune, Inc.

Accepted 2025-08-04 00:00:00 ET · period of report 2025-07-31 · accession 0001104659-25-073627 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2025-08-04 2025-07-31 ALT Harris Matthew Scott Chief Medical Off A - Grant $3.14 +2,018 16.1K +14% +$6,337

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, par value $0.0001 2025-07-31 A A 2,018 $3.14 16,087 D — — (F2) In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the issuer's common stock.