InsiderTrades

Form 4 for ALT Altimmune, Inc.

Accepted 2026-04-01 16:05:18 ET · period of report 2026-04-01 · accession 0001251779-26-000007 · 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
2026-04-01 16:05 2026-04-01 ALT WEAVER GREGORY L CFO P - Purchase $3.15 +10.0K 38.1K +36% +$31.5K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, par value $0.0001 2026-04-01 P A 10,000 $3.15 38,078 D — — (F1) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.1450 to $3.1499, inclusive. The reporting person undertakes to provide to Altimmune, Inc., any security holder of Altimmune, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.