Siga Technologies Inc. (SIGA) Insider Trading
Directors, officers and holders of more than 10% of SIGA report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 100 transactions on file: 0 with code P, 0 with code S and 50 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 9, 2026 | Marshall Joseph W III | Director | D Disposition | 7,235 | $4.39 | $31,762 |
| Jun 9, 2026 | Marshall Joseph W III | Director | M Exercise | 24,116 | Not measured | Not measured |
| Jun 9, 2026 | Phillips Holly L. | Director | A Award | 34,169 | Not measured | Not measured |
| Jun 9, 2026 | Nemirovsky Julian | Director | M Exercise | 24,116 | Not measured | Not measured |
| Jun 9, 2026 | Nabel Gary J. | Director | A Award | 34,169 | Not measured | Not measured |
| Jun 9, 2026 | Nemirovsky Julian | Director | A Award | 34,169 | Not measured | Not measured |
| Jun 9, 2026 | DURNAN JAYMIE A | Director | M Exercise | 24,116 | Not measured | Not measured |
| Jun 9, 2026 | DURNAN JAYMIE A | Director | A Award | 34,169 | Not measured | Not measured |
| Jun 9, 2026 | Marshall Joseph W III | Director | M Exercise | 24,116 | Not measured | Not measured |
| Jun 9, 2026 | Marshall Joseph W III | Director | A Award | 34,169 | Not measured | Not measured |
| Jun 9, 2026 | KEANE JOHN M | Director | M Exercise | 24,116 | Not measured | Not measured |
| Jun 9, 2026 | KEANE JOHN M | Director | A Award | 34,169 | Not measured | Not measured |
| Jun 9, 2026 | Ford Harold Eugene Jr. | Director | M Exercise | 24,116 | Not measured | Not measured |
| Jun 9, 2026 | Ford Harold Eugene Jr. | Director | A Award | 34,169 | Not measured | Not measured |
| Jun 9, 2026 | Phillips Holly L. | Director | M Exercise | 24,116 | Not measured | Not measured |
| Jun 9, 2026 | Nabel Gary J. | Director | M Exercise | 24,116 | Not measured | Not measured |
| Jun 9, 2026 | KEANE JOHN M | Director | M Exercise | 24,116 | Not measured | Not measured |
| Jun 9, 2026 | KEANE JOHN M | Director | D Disposition | 7,235 | $4.39 | $31,762 |
| Jun 9, 2026 | Ford Harold Eugene Jr. | Director | M Exercise | 24,116 | Not measured | Not measured |
| Jun 9, 2026 | Ford Harold Eugene Jr. | Director | D Disposition | 7,235 | $4.39 | $31,762 |
| Jun 9, 2026 | Phillips Holly L. | Director | M Exercise | 24,116 | Not measured | Not measured |
| Jun 9, 2026 | Phillips Holly L. | Director | D Disposition | 7,235 | $4.39 | $31,762 |
| Jun 9, 2026 | Nemirovsky Julian | Director | M Exercise | 24,116 | Not measured | Not measured |
| Jun 9, 2026 | Nemirovsky Julian | Director | D Disposition | 7,235 | $4.39 | $31,762 |
| Jun 9, 2026 | DURNAN JAYMIE A | Director | M Exercise | 24,116 | Not measured | Not measured |
| Jun 9, 2026 | DURNAN JAYMIE A | Director | D Disposition | 7,235 | $4.39 | $31,762 |
| Jun 9, 2026 | Nabel Gary J. | Director | M Exercise | 24,116 | Not measured | Not measured |
| Jun 9, 2026 | Nabel Gary J. | Director | D Disposition | 7,235 | $4.39 | $31,762 |
| Mar 25, 2026 | Miller Larry R. | General Counsel | F Tax Payment | 3,526 | $4.99 | $17,595 |
| Mar 25, 2026 | Miller Larry R. | General Counsel | M Exercise | 6,920 | Not measured | Not measured |
| Mar 25, 2026 | Miller Larry R. | General Counsel | M Exercise | 6,920 | Not measured | Not measured |
| Mar 13, 2026 | Nguyen Diem | Chief Executive Officer | A Award | 272,243 | Not measured | Not measured |
| Mar 13, 2026 | Luckshire Daniel J | Executive VP & CFO | A Award | 55,228 | Not measured | Not measured |
| Mar 13, 2026 | Hruby Dennis E | EVP & Chief Scientific Officer | M Exercise | 11,445 | Not measured | Not measured |
| Mar 13, 2026 | Hruby Dennis E | EVP & Chief Scientific Officer | A Award | 54,942 | Not measured | Not measured |
| Mar 13, 2026 | Miller Larry R. | General Counsel | M Exercise | 21,261 | Not measured | Not measured |
| Mar 13, 2026 | Miller Larry R. | General Counsel | A Award | 68,060 | Not measured | Not measured |
| Mar 13, 2026 | Nguyen Diem | Chief Executive Officer | M Exercise | 85,045 | Not measured | Not measured |
| Mar 13, 2026 | Luckshire Daniel J | Executive VP & CFO | M Exercise | 11,503 | Not measured | Not measured |
| Mar 13, 2026 | Luckshire Daniel J | Executive VP & CFO | M Exercise | 11,503 | Not measured | Not measured |
| Mar 13, 2026 | Luckshire Daniel J | Executive VP & CFO | F Tax Payment | 6,074 | $5.26 | $31,949 |
| Mar 13, 2026 | Hruby Dennis E | EVP & Chief Scientific Officer | M Exercise | 11,445 | Not measured | Not measured |
| Mar 13, 2026 | Hruby Dennis E | EVP & Chief Scientific Officer | F Tax Payment | 3,955 | $5.26 | $20,803 |
| Mar 13, 2026 | Miller Larry R. | General Counsel | M Exercise | 21,261 | Not measured | Not measured |
| Mar 13, 2026 | Miller Larry R. | General Counsel | F Tax Payment | 11,187 | $5.26 | $58,844 |
| Mar 13, 2026 | Nguyen Diem | Chief Executive Officer | M Exercise | 85,045 | Not measured | Not measured |
| Mar 13, 2026 | Nguyen Diem | Chief Executive Officer | F Tax Payment | 47,029 | $5.26 | $247,373 |
| Jan 27, 2026 | Nguyen Diem | Chief Executive Officer | M Exercise | 55,902 | Not measured | Not measured |
| Jan 27, 2026 | Nguyen Diem | Chief Executive Officer | F Tax Payment | 22,804 | $6.82 | $155,523 |
| Jan 27, 2026 | Nguyen Diem | Chief Executive Officer | M Exercise | 55,902 | Not measured | Not measured |
The full Form 4 history is on the SIGA company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.