11 insiders reported 48 Form 4 transactions for SIGA TECHNOLOGIES INC (SIGA) over the past 18 months (most recent 2026-06-10). Recent activity: Nabel Gary J. (Director) Buy 24,116 shares, KEANE JOHN M (Director) Buy 24,116 shares, Marshall Joseph W III (Director) Buy 24,116 shares, Ford Harold Eugene Jr. (Director) Buy 24,116 shares, Nemirovsky Julian (Director) Buy 24,116 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-10 | Nabel Gary J. | Director | Buy | 24,116 | $0 |
| 2026-06-10 | KEANE JOHN M | Director | Buy | 24,116 | $0 |
| 2026-06-10 | Marshall Joseph W III | Director | Buy | 24,116 | $0 |
| 2026-06-10 | Ford Harold Eugene Jr. | Director | Buy | 24,116 | $0 |
| 2026-06-10 | Nemirovsky Julian | Director | Buy | 24,116 | $0 |
| 2026-06-10 | DURNAN JAYMIE A | Director | Buy | 24,116 | $0 |
| 2026-06-10 | Phillips Holly L. | Director | Buy | 24,116 | $0 |
| 2026-06-10 | DURNAN JAYMIE A | Director | Sell | 7,235 | $31,762 |
| 2026-06-10 | KEANE JOHN M | Director | Sell | 7,235 | $31,762 |
| 2026-06-10 | Marshall Joseph W III | Director | Sell | 7,235 | $31,762 |
| 2026-06-10 | Ford Harold Eugene Jr. | Director | Sell | 7,235 | $31,762 |
| 2026-06-10 | Nemirovsky Julian | Director | Sell | 7,235 | $31,762 |
| 2026-06-10 | Nabel Gary J. | Director | Sell | 7,235 | $31,762 |
| 2026-06-10 | Phillips Holly L. | Director | Sell | 7,235 | $31,762 |
| 2026-03-26 | Miller Larry R. | General Counsel | Buy | 6,920 | $0 |
| 2026-03-26 | Miller Larry R. | General Counsel | Sell | 3,526 | $17,595 |
| 2026-03-17 | Nguyen Diem | Chief Executive Officer | Sell | 47,029 | $247,373 |
| 2026-03-17 | Hruby Dennis E | EVP & Chief Scientific Officer | Sell | 3,955 | $20,803 |
| 2026-03-17 | Miller Larry R. | General Counsel | Buy | 21,261 | $0 |
| 2026-03-17 | Miller Larry R. | General Counsel | Sell | 11,187 | $58,844 |
| 2026-03-17 | Nguyen Diem | Chief Executive Officer | Buy | 85,045 | $0 |
| 2026-03-17 | Hruby Dennis E | EVP & Chief Scientific Officer | Buy | 11,445 | $0 |
| 2026-03-17 | Luckshire Daniel J | Executive VP & CFO | Buy | 11,503 | $0 |
| 2026-03-17 | Luckshire Daniel J | Executive VP & CFO | Sell | 6,074 | $31,949 |
| 2026-01-28 | Nguyen Diem | Chief Executive Officer | Buy | 55,902 | $0 |
Source: SEC Form 4 filings · as of 2026-06-10