Harris Matthew Scott (CIK 1787762) reported 11 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-08-04). Recent activity: Buy ALT (2,018 shares), Sell ALT (67,787 shares), Buy ALT (9,275 shares), Sell ALT (3,173 shares), Buy ALT (1,905 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-08-04 | Altimmune, Inc. (ALT) | Chief Medical Officer | Buy | 2,018 | $6,337 |
| 2025-03-11 | Altimmune, Inc. (ALT) | Chief Medical Officer | Sell | 67,787 | $0 |
| 2025-02-03 | Altimmune, Inc. (ALT) | Chief Medical Officer | Buy | 9,275 | $0 |
| 2025-02-03 | Altimmune, Inc. (ALT) | Chief Medical Officer | Sell | 3,173 | $22,211 |
| 2025-02-03 | Altimmune, Inc. (ALT) | Chief Medical Officer | Buy | 1,905 | $9,868 |
| 2025-02-03 | Altimmune, Inc. (ALT) | Chief Medical Officer | Buy | 6,166 | $0 |
| 2025-02-03 | Altimmune, Inc. (ALT) | Chief Medical Officer | Sell | 2,109 | $14,004 |
| 2025-02-03 | Altimmune, Inc. (ALT) | Chief Medical Officer | Buy | 7,775 | $0 |
| 2025-02-03 | Altimmune, Inc. (ALT) | Chief Medical Officer | Sell | 2,708 | $17,981 |
| 2025-01-28 | Altimmune, Inc. (ALT) | Chief Medical Officer | Buy | 14,600 | $0 |
| 2025-01-28 | Altimmune, Inc. (ALT) | Chief Medical Officer | Sell | 4,994 | $34,858 |
Source: SEC Form 4 filings · as of 2025-08-04