WEAVER GREGORY L 4

What Happened Gregory L. Weaver, CFO of Altimmune, Inc. (ALT), purchased 10,000 shares on April 1, 2026 via open-market transactions (transaction code P). The weighted average price reported is $3.15 per share, for a total acquisition value of $31,499. This was a purchase (a potential bullish signal rather than a sale).

Key Details

• Transaction date: 2026-04-01
• Transaction type: Open-market purchase (Code P)
• Shares acquired: 10,000
• Reported price: Weighted average $3.15 per share (total $31,499)
• Price range (per footnote): purchases occurred at prices from $3.1450 to $3.1499; the reporting person will provide a breakdown on request (Footnote F1)
• Shares owned after transaction: Not disclosed in the provided filing
• Filing timeliness: Report filed on 2026-04-01 (same day as the Period of Report); no late filing indicated

Context This was a straightforward open-market buy by a company executive (not an option exercise or gift). The filing includes a footnote clarifying the reported price is a weighted average across multiple trades and offers to supply the transaction-by-transaction breakdown if requested. The purchase size (~$31.5k) is modest in dollar terms; retail investors may view insider buys as informative but should combine this information with other research before drawing conclusions.