GILL JOHN (CIK 1409939) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-06). Recent activity: Buy ALT (9,200 shares), Buy ALT (12,500 shares), Sell ALT (2,714 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-06 | Altimmune, Inc. (ALT) | Director | Buy | 9,200 | $31,350 |
| 2025-12-23 | Altimmune, Inc. (ALT) | Director | Buy | 12,500 | $51,250 |
| 2025-09-29 | Altimmune, Inc. (ALT) | Director | Sell | 2,714 | $0 |
Source: SEC Form 4 filings · as of 2026-04-06