Form 4: Altimmune Executive Reports Stock Transaction
Insider Transaction (Form 4)
Linda M Richardson, Chief Commercial Officer of Altimmune, Inc., reported multiple transactions in common stock on September 16, 2026.
Summary
- Option exercise/conversion: acquired 24,000 Common Stock, par value $0.0001 on September 16, 2026; holds 24,000 after (Direct).
- Tax/exercise-price withholding: disposed of 6,826 Common Stock, par value $0.0001 at $3.24 ($22,116) on September 16, 2026; holds 17,174 after (Direct).
- Option exercise/conversion: disposed of 24,000 Restricted Stock Units on September 16, 2026; holds 72,000 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
Linda M Richardson — Officer (Chief Commercial Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-16 | Option exercise/conversion | Common Stock, par value $0.0001 | 24,000 | — | — | 24,000 |
| 2026-09-16 | Tax/exercise-price withholding | Common Stock, par value $0.0001 | 6,826 | $3 | $22.1K | 17,174 |
| 2026-09-16 | Option exercise/conversion | Restricted Stock Units | 24,000 | — | — | 72,000 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-16 | Option exercise/conversion (24,000 shares) |
| 2026-09-16 | Tax/exercise-price withholding (6,826 shares) |
| 2026-09-16 | Option exercise/conversion (24,000 shares) |
Keywords
insider transaction, Form 4, ALT, Altimmune, Inc., neutral, Linda M Richardson
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