Form 4: Altimmune CFO Reports Stock Transaction
Insider Transaction (Form 4)
Gregory L Weaver, Chief Financial Officer of Altimmune, Inc., reported multiple transactions in common stock on October 1, 2026.
Summary
- Option exercise/conversion: acquired 14,475 Common Stock, par value $0.0001 on October 1, 2026; holds 54,306 after (Direct).
- Tax/exercise-price withholding: disposed of 4,379 Common Stock, par value $0.0001 at $2.76 ($12,086) on October 1, 2026; holds 49,927 after (Direct).
- Option exercise/conversion: disposed of 14,475 Restricted Stock Units on October 1, 2026; holds 43,425 after (Direct).
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as routine: the reported changes are grants, option exercises, tax withholding or similar administrative transactions, which carry limited directional signal.
Insider Transactions
Gregory L Weaver — Officer (Chief Financial Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-10-01 | Option exercise/conversion | Common Stock, par value $0.0001 | 14,475 | — | — | 54,306 |
| 2026-10-01 | Tax/exercise-price withholding | Common Stock, par value $0.0001 | 4,379 | $3 | $12.1K | 49,927 |
| 2026-10-01 | Option exercise/conversion | Restricted Stock Units | 14,475 | — | — | 43,425 |
Key Dates
| Date | Description |
|---|---|
| 2026-10-01 | Option exercise/conversion (14,475 shares) |
| 2026-10-01 | Tax/exercise-price withholding (4,379 shares) |
| 2026-10-01 | Option exercise/conversion (14,475 shares) |
Keywords
insider transaction, Form 4, ALT, Altimmune, Inc., neutral, Gregory L Weaver
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