Nasdaq · CIK 0001010086
SIGA SIGA TECHNOLOGIES INC
Insider trading from SEC Form 4. Last filing Jun 10, 2026.
SIGA TECHNOLOGIES INC (SIGA) has 26 SEC Form 4 filings on file from 11 insiders, the latest filed on Jun 10, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
Last 90 days
Signals
Open-market buys and sells at SIGA TECHNOLOGIES INC, scored.
Transactions
The newest 50 of 91 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 9, 2026 | John M Keane director | MOption exercise Common Stock, par value $.0001 per share | +24,116 | - | - | 24,116 | Jun 10, 2026 |
| Jun 9, 2026 | Julian Nemirovsky director | MOption exercise Common Stock, par value $.0001 per share | +24,116 | - | - | 80,989 | Jun 10, 2026 |
| Jun 9, 2026 | Holly L. Phillips director | MOption exercise Common Stock, par value $.0001 per share | +24,116 | - | - | 80,989 | Jun 10, 2026 |
| Jun 9, 2026 | Harold Eugene Ford Jr. director | MOption exercise Common Stock, par value $.0001 per share | +24,116 | - | - | 54,773 | Jun 10, 2026 |
| Jun 9, 2026 | Joseph W Marshall III director | MOption exercise Common Stock, par value $.0001 per share | +24,116 | - | - | 253,758 | Jun 10, 2026 |
| Jun 9, 2026 | Gary J. Nabel director | MOption exercise Common Stock, par value $.0001 per share | +24,116 | - | - | 80,989 | Jun 10, 2026 |
| Jun 9, 2026 | Jaymie A Durnan director | MOption exercise Common Stock, par value $.0001 per share | +24,116 | - | - | 95,989 | Jun 10, 2026 |
| Jun 9, 2026 | John M Keane director | DDisposition to issuer Common Stock, par value $.0001 per share | -7,235 | $4.39 | $32k | 16,881 | Jun 10, 2026 |
| Jun 9, 2026 | Harold Eugene Ford Jr. director | DDisposition to issuer Common Stock, par value $.0001 per share | -7,235 | $4.39 | $32k | 47,538 | Jun 10, 2026 |
| Jun 9, 2026 | Jaymie A Durnan director | DDisposition to issuer Common Stock, par value $.0001 per share | -7,235 | $4.39 | $32k | 88,754 | Jun 10, 2026 |
| Jun 9, 2026 | Gary J. Nabel director | DDisposition to issuer Common Stock, par value $.0001 per share | -7,235 | $4.39 | $32k | 73,754 | Jun 10, 2026 |
| Jun 9, 2026 | Holly L. Phillips director | DDisposition to issuer Common Stock, par value $.0001 per share | -7,235 | $4.39 | $32k | 73,754 | Jun 10, 2026 |
| Jun 9, 2026 | Julian Nemirovsky director | DDisposition to issuer Common Stock, par value $.0001 per share | -7,235 | $4.39 | $32k | 73,754 | Jun 10, 2026 |
| Jun 9, 2026 | Joseph W Marshall III director | DDisposition to issuer Common Stock, par value $.0001 per share | -7,235 | $4.39 | $32k | 246,523 | Jun 10, 2026 |
| Jun 9, 2026 | John M Keane director | MOption exercise Restricted Stock Unitsderivative | -24,116 | $0.00 | $0 | 0 | Jun 10, 2026 |
| Jun 9, 2026 | Gary J. Nabel director | MOption exercise Restricted Stock Unitesderivative | -24,116 | $0.00 | $0 | 0 | Jun 10, 2026 |
| Jun 9, 2026 | Julian Nemirovsky director | MOption exercise Restricted Stock Unitsderivative | -24,116 | $0.00 | $0 | 0 | Jun 10, 2026 |
| Jun 9, 2026 | Jaymie A Durnan director | MOption exercise Restricted Stock Unitsderivative | -24,116 | $0.00 | $0 | 0 | Jun 10, 2026 |
| Jun 9, 2026 | Holly L. Phillips director | MOption exercise Restricted Stock Unitsderivative | -24,116 | $0.00 | $0 | 0 | Jun 10, 2026 |
| Jun 9, 2026 | Harold Eugene Ford Jr. director | MOption exercise Restricted Stock Unitsderivative | -24,116 | $0.00 | $0 | 0 | Jun 10, 2026 |
| Jun 9, 2026 | Joseph W Marshall III director | MOption exercise Restricted Stock Unitsderivative | -24,116 | $0.00 | $0 | 0 | Jun 10, 2026 |
| Jun 9, 2026 | Joseph W Marshall III director | AGrant or award Restricted Stock Unitsderivative | +34,169 | $0.00 | $0 | 34,169 | Jun 10, 2026 |
| Jun 9, 2026 | Harold Eugene Ford Jr. director | AGrant or award Restricted Stock Unitsderivative | +34,169 | $0.00 | $0 | 34,169 | Jun 10, 2026 |
| Jun 9, 2026 | Jaymie A Durnan director | AGrant or award Restricted Stock Unitsderivative | +34,169 | $0.00 | $0 | 34,169 | Jun 10, 2026 |
| Jun 9, 2026 | Gary J. Nabel director | AGrant or award Restricted Stock Unitsderivative | +34,169 | $0.00 | $0 | 34,169 | Jun 10, 2026 |
| Jun 9, 2026 | Julian Nemirovsky director | AGrant or award Restricted Stock Unitsderivative | +34,169 | $0.00 | $0 | 34,169 | Jun 10, 2026 |
| Jun 9, 2026 | John M Keane director | AGrant or award Restricted Stock Unitsderivative | +34,169 | $0.00 | $0 | 34,169 | Jun 10, 2026 |
| Jun 9, 2026 | Holly L. Phillips director | AGrant or award Restricted Stock Unitsderivative | +34,169 | $0.00 | $0 | 34,169 | Jun 10, 2026 |
| Mar 25, 2026 | Larry R. Miller General Counsel | MOption exercise Common Stock, par value $.0001 per share | +6,920 | $0.00 | $0 | 55,438 | Mar 26, 2026 |
| Mar 25, 2026 | Larry R. Miller General Counsel | FTax withholding Common Stock, par value $.0001 per share | -3,526 | $4.99 | $18k | 51,912 | Mar 26, 2026 |
| Mar 25, 2026 | Larry R. Miller General Counsel | MOption exercise Restricted Stock Unitsderivative | -6,920 | $0.00 | $0 | 6,921 | Mar 26, 2026 |
| Mar 13, 2026 | Dennis E Hruby EVP & Chief Scientific Officer | MOption exercise Common Stock, par value $.0001 per share | +11,445 | $0.00 | $0 | 202,492 | Mar 17, 2026 |
| Mar 13, 2026 | Daniel J Luckshire Executive VP & CFO | MOption exercise Common Stock, par value $.0001 per share | +11,503 | $0.00 | $0 | 286,567 | Mar 17, 2026 |
| Mar 13, 2026 | Larry R. Miller General Counsel | MOption exercise Common Stock, par value $.0001 per share | +21,261 | $0.00 | $0 | 59,705 | Mar 17, 2026 |
| Mar 13, 2026 | Diem Nguyen Chief Executive Officer | MOption exercise Common Stock, par value $.0001 per share | +85,045 | $0.00 | $0 | 185,796 | Mar 17, 2026 |
| Mar 13, 2026 | Dennis E Hruby EVP & Chief Scientific Officer | FTax withholding Common Stock, par value $.0001 per share | -3,955 | $5.26 | $21k | 198,537 | Mar 17, 2026 |
| Mar 13, 2026 | Daniel J Luckshire Executive VP & CFO | FTax withholding Common Stock, par value $.0001 per share | -6,074 | $5.26 | $32k | 280,493 | Mar 17, 2026 |
| Mar 13, 2026 | Larry R. Miller General Counsel | FTax withholding Common Stock, par value $.0001 per share | -11,187 | $5.26 | $59k | 48,518 | Mar 17, 2026 |
| Mar 13, 2026 | Diem Nguyen Chief Executive Officer | FTax withholding Common Stock, par value $.0001 per share | -47,029 | $5.26 | $247k | 138,767 | Mar 17, 2026 |
| Mar 13, 2026 | Dennis E Hruby EVP & Chief Scientific Officer | MOption exercise Restricted Stock Unitsderivative | -11,445 | $0.00 | $0 | 22,891 | Mar 17, 2026 |
| Mar 13, 2026 | Daniel J Luckshire Executive VP & CFO | MOption exercise Restricted Stock Unitsderivative | -11,503 | $0.00 | $0 | 23,008 | Mar 17, 2026 |
| Mar 13, 2026 | Larry R. Miller General Counsel | MOption exercise Restricted Stock Unitsderivative | -21,261 | $0.00 | $0 | 42,523 | Mar 17, 2026 |
| Mar 13, 2026 | Diem Nguyen Chief Executive Officer | MOption exercise Restricted Stock Unitsderivative | -85,045 | $0.00 | $0 | 170,092 | Mar 17, 2026 |
| Mar 13, 2026 | Dennis E Hruby EVP & Chief Scientific Officer | AGrant or award Restricted Stock Unitsderivative | +54,942 | $0.00 | $0 | 54,942 | Mar 17, 2026 |
| Mar 13, 2026 | Daniel J Luckshire Executive VP & CFO | AGrant or award Restricted Stock Unitsderivative | +55,228 | $0.00 | $0 | 55,228 | Mar 17, 2026 |
| Mar 13, 2026 | Larry R. Miller General Counsel | AGrant or award Restricted Stock Unitsderivative | +68,060 | $0.00 | $0 | 68,060 | Mar 17, 2026 |
| Mar 13, 2026 | Diem Nguyen Chief Executive Officer | AGrant or award Restricted Stock Unitsderivative | +272,243 | $0.00 | $0 | 272,243 | Mar 17, 2026 |
| Jan 27, 2026 | Diem Nguyen Chief Executive Officer | MOption exercise Common Stock, par value $.0001 per share | +55,902 | $0.00 | $0 | 123,555 | Jan 28, 2026 |
| Jan 27, 2026 | Diem Nguyen Chief Executive Officer | FTax withholding Common Stock, par value $.0001 per share | -22,804 | $6.82 | $156k | 100,751 | Jan 28, 2026 |
| Jan 27, 2026 | Diem Nguyen Chief Executive Officer | MOption exercise Restricted Stock Unitsderivative | -55,902 | $0.00 | $0 | 55,903 | Jan 28, 2026 |
Insiders
Everyone who has filed a Form 4 here.
- Jaymie A Durnandirector
- Harold Eugene Ford Jr.director
- Dennis E HrubyEVP & Chief Scientific Officer
- John M Keanedirector
- Daniel J LuckshireExecutive VP & CFO
- Joseph W Marshall IIIdirector
- Larry R. MillerGeneral Counsel
- Gary J. Nabeldirector, officer
- Julian Nemirovskydirector
- Diem NguyenChief Executive Officer
- Holly L. Phillipsdirector
Questions about SIGA
Answered from the filings on this page, as of the latest one.
Are insiders buying SIGA?
No. In the last 90 days no insider at SIGA TECHNOLOGIES INC bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade SIGA on the open market?
No open-market trade has been scored at SIGA TECHNOLOGIES INC. The latest Form 4 on file was filed on Jun 10, 2026 and holds grants, exercises or other rows that are not market trades.
How many insiders file Form 4 at SIGA TECHNOLOGIES INC?
11 people have filed a Form 4 at SIGA TECHNOLOGIES INC, among them Jaymie A Durnan (director), Harold Eugene Ford Jr. (director), Dennis E Hruby (EVP & Chief Scientific Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.