Nguyen Diem (CIK 1814338) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-17). Recent activity: Buy SIGA (85,045 shares), Sell SIGA (47,029 shares), Buy SIGA (55,902 shares), Sell SIGA (22,804 shares), Buy SIGA (55,902 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-17 | SIGA TECHNOLOGIES INC (SIGA) | Chief Executive Officer | Buy | 85,045 | $0 |
| 2026-03-17 | SIGA TECHNOLOGIES INC (SIGA) | Chief Executive Officer | Sell | 47,029 | $247,373 |
| 2026-01-28 | SIGA TECHNOLOGIES INC (SIGA) | Chief Executive Officer | Buy | 55,902 | $0 |
| 2026-01-28 | SIGA TECHNOLOGIES INC (SIGA) | Chief Executive Officer | Sell | 22,804 | $155,523 |
| 2025-01-29 | SIGA TECHNOLOGIES INC (SIGA) | Chief Executive Officer | Buy | 55,902 | $0 |
| 2025-01-29 | SIGA TECHNOLOGIES INC (SIGA) | Chief Executive Officer | Sell | 23,644 | $149,903 |
Source: SEC Form 4 filings · as of 2026-03-17