SIGA TECHNOLOGIES INC
SIGA · Pharmaceutical Preparations · 71.7M shares · -3%/yr ↓ buyback · EDGAR filings ↗
Net buyback after stock comp: $9M (gross $11M, SBC $2M)
Grade
B70Smallpox-antiviral (TPOXX) maker — highly profitable but lumpy, government-order-dependent revenue.
Strengths
- Strong profitability and cash flow — operating margin 25% (93rd), OCF margin 46% (96th)
- Cash-rich — current ratio 11.8 (83rd)
Risks
- Lumpy government-procurement revenue — revenue -32%, net income -61%
- Single-product/customer (U.S. government) concentration — per 10-K
- Order-timing volatility — per 10-K
Notable findings
- Exec changeRecent 8-K item 5.02 8-K ↗
- Fund exitedNotable fund(s) exited this quarter: VANGUARD GROUP INC
- Strong balance sheetStrong balance sheet — $155M cash & investments
- Buying back stockNet buyback — share count -3%/yr over 4y
- China exposureGovernment, export control, government security regulations, employment practices, protection of the environment, accuracy of records and the recording and reporting of costs, and foreign corrupt prac
- Notable holderHeld by 5 notable fund(s): STATE STREET CORP, CITADEL ADVISORS LLC, GOLDMAN SACHS GROUP INC +2 more (as of 2026-03-31)
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Gross margin
68.6%
Operating margin
25.1%
Net margin
24.6%
Return on equity
11.7%
Return on assets
10.6%
Revenue growth (QoQ)
64.5%
Net-income growth
-60.7%
Current ratio
11.8×
EBITDA
$24M
Tangible book value
$198M
Cash & investments
$155M
Stock comp / revenue
3.9%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-09 | Marshall Joseph W III | Option exercise | 24K | — |
| 2026-06-09 | Marshall Joseph W III | Disposition | 7.2K | $4.39 |
| 2026-06-09 | KEANE JOHN M | Option exercise | 24K | — |
| 2026-06-09 | KEANE JOHN M | Disposition | 7.2K | $4.39 |
| 2026-06-09 | Ford Harold Eugene Jr. | Option exercise | 24K | — |
| 2026-06-09 | Ford Harold Eugene Jr. | Disposition | 7.2K | $4.39 |
| 2026-06-09 | Phillips Holly L. | Option exercise | 24K | — |
| 2026-06-09 | Phillips Holly L. | Disposition | 7.2K | $4.39 |
| 2026-06-09 | Nemirovsky Julian | Option exercise | 24K | — |
| 2026-06-09 | Nemirovsky Julian | Disposition | 7.2K | $4.39 |
| 2026-06-09 | DURNAN JAYMIE A | Option exercise | 24K | — |
| 2026-06-09 | DURNAN JAYMIE A | Disposition | 7.2K | $4.39 |
| 2026-06-09 | Nabel Gary J. | Option exercise | 24K | — |
| 2026-06-09 | Nabel Gary J. | Disposition | 7.2K | $4.39 |
| 2026-03-25 | Miller Larry R. | Option exercise | 6.9K | — |
| 2026-03-25 | Miller Larry R. | Tax withheld | 3.5K | $4.99 |
| 2026-03-13 | Luckshire Daniel J | Option exercise | 12K | — |
| 2026-03-13 | Luckshire Daniel J | Tax withheld | 6.1K | $5.26 |
| 2026-03-13 | Hruby Dennis E | Option exercise | 11K | — |
| 2026-03-13 | Hruby Dennis E | Tax withheld | 4.0K | $5.26 |
| 2026-03-13 | Miller Larry R. | Option exercise | 21K | — |
| 2026-03-13 | Miller Larry R. | Tax withheld | 11K | $5.26 |
| 2026-03-13 | Nguyen Diem | Option exercise | 85K | — |
| 2026-03-13 | Nguyen Diem | Tax withheld | 47K | $5.26 |
| 2026-01-27 | Nguyen Diem | Option exercise | 56K | — |
| 2026-01-27 | Nguyen Diem | Tax withheld | 23K | $6.82 |
| 2025-07-01 | Luckshire Daniel J | Option exercise | 24K | — |
| 2025-07-01 | Luckshire Daniel J | Tax withheld | 12K | $6.49 |
| 2025-07-01 | Hruby Dennis E | Option exercise | 32K | — |
| 2025-07-01 | Hruby Dennis E | Tax withheld | 10K | $6.49 |
| 2025-06-10 | Ford Harold Eugene Jr. | Option exercise | 19K | — |
| 2025-06-10 | Ford Harold Eugene Jr. | Disposition | 5.7K | $6.22 |
| 2025-06-10 | Nemirovsky Julian | Option exercise | 19K | — |
| 2025-06-10 | Nemirovsky Julian | Disposition | 5.7K | $6.22 |
| 2025-06-10 | Phillips Holly L. | Option exercise | 19K | — |
| 2025-06-10 | Phillips Holly L. | Disposition | 5.7K | $6.22 |
| 2025-06-10 | Marshall Joseph W III | Option exercise | 19K | — |
| 2025-06-10 | Marshall Joseph W III | Disposition | 5.7K | $6.22 |
| 2025-06-10 | DURNAN JAYMIE A | Option exercise | 19K | — |
| 2025-06-10 | DURNAN JAYMIE A | Disposition | 5.7K | $6.22 |
| 2025-06-10 | Nabel Gary J. | Option exercise | 19K | — |
| 2025-06-10 | Nabel Gary J. | Disposition | 5.7K | $6.22 |
| 2025-04-18 | Miller Larry R. | Option exercise | 6.9K | — |
| 2025-04-18 | Miller Larry R. | Tax withheld | 3.5K | $5.99 |
| 2025-03-25 | Miller Larry R. | Option exercise | 6.9K | — |
| 2025-03-25 | Miller Larry R. | Tax withheld | 2.8K | $5.89 |
| 2025-01-27 | Nguyen Diem | Option exercise | 56K | — |
| 2025-01-27 | Nguyen Diem | Tax withheld | 24K | $6.34 |
All non-derivative Form 4 activity (SEC), newest first.
Supply chain
Customers (2)
- Biomedical Advanced Research and Development Authority (BARDA)
- U.S. Government
Suppliers (0)
Named in the 10-K; linked when we track them.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-06-10 | Exec/director changeShareholder voteExhibits | filing ↗ |
| 2026-05-07 | ResultsExhibits | filing ↗ |
| 2026-03-26 | Other | filing ↗ |
| 2026-03-10 | ResultsExhibits | filing ↗ |
| 2025-11-06 | ResultsExhibits | filing ↗ |
| 2025-08-05 | ResultsExhibits | filing ↗ |
| 2025-06-12 | 5.03Shareholder voteExhibits | filing ↗ |
| 2025-05-08 | ResultsExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-06-10 | 2026-06-09 | 0001140361-26-024780 ↗ |
| 10-Q | 2026-05-07 | 2026-03-31 | 0001437749-26-015646 ↗ |
| 8-K | 2026-05-07 | 2026-05-07 | 0001140361-26-019538 ↗ |
| 8-K | 2026-03-26 | 2026-03-26 | 0001140361-26-011361 ↗ |
| 10-K | 2026-03-10 | 2025-12-31 | 0001437749-26-007557 ↗ |
| 8-K | 2026-03-10 | 2026-03-10 | 0001140361-26-008782 ↗ |
| 10-Q | 2025-11-06 | 2025-09-30 | 0001437749-25-033636 ↗ |
| 8-K | 2025-11-06 | 2025-11-06 | 0001140361-25-040775 ↗ |
| 8-K | 2025-08-05 | 2025-08-05 | 0001140361-25-028821 ↗ |
| 10-Q | 2025-08-05 | 2025-06-30 | 0001437749-25-024889 ↗ |
| 8-K | 2025-06-12 | 2025-06-10 | 0001140361-25-022316 ↗ |
| 10-Q | 2025-05-08 | 2025-03-31 | 0001437749-25-015542 ↗ |