Richardson Linda M (CIK 1595064) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-17). Recent activity: Buy ALT (24,000 shares), Sell ALT (6,826 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-17 | Altimmune, Inc. (ALT) | Chief Commercial Officer | Buy | 24,000 | $0 |
| 2026-09-17 | Altimmune, Inc. (ALT) | Chief Commercial Officer | Sell | 6,826 | $22,116 |
来源：SEC Form 4 申报文件 · 截至 2026-09-17