Siga Technologies Inc SEC filings SIGA
Siga Technologies Inc has 1,002 filings in SEC EDGAR's recent list, going back to Jul 11, 2003. Its latest annual report, Form ARS, was filed on Apr 28, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 6, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| S-8 | Employee stock plan registration | Jun 25, 2026 | — |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 10, 2026 | Jun 9, 2026 |
| DEFA14A | Additional proxy material | May 8, 2026 | — |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| ARS | Annual report to shareholders | Apr 28, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 28, 2026 | — |
| DEF 14A | Proxy statement | Apr 28, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Mar 26, 2026 | Mar 25, 2026 |
| 8-K |
Current report
Other events
|
Mar 26, 2026 | Mar 26, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 13, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 13, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 13, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 13, 2026 |
| 10-K | Annual report | Mar 10, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 10, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Jan 28, 2026 | Jan 27, 2026 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2025 | Nov 6, 2025 |
| 10-Q | Quarterly report | Aug 5, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2025 | Aug 5, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 11, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 11, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 11, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 11, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 11, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 11, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 11, 2025 | Jun 10, 2025 |
| 10-Q | Quarterly report | May 8, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| ARS | Annual report to shareholders | Apr 28, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 28, 2025 | — |
| DEF 14A | Proxy statement | Apr 28, 2025 | Jun 10, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 25, 2025 | — |
| 4 | Insider transaction | Apr 21, 2025 | Apr 18, 2025 |
| PRE 14A | Preliminary proxy statement | Apr 18, 2025 | Jun 10, 2025 |
| 8-K |
Current report
Other events
|
Apr 8, 2025 | Apr 8, 2025 |
| 4 | Insider transaction | Mar 26, 2025 | Mar 25, 2025 |
| 4 | Insider transaction | Mar 19, 2025 | Mar 17, 2025 |
| 3 | Initial insider ownership | Mar 19, 2025 | Mar 17, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 18, 2025 | Mar 17, 2025 |
| 4 | Insider transaction | Mar 14, 2025 | Mar 13, 2025 |
| 4 | Insider transaction | Mar 14, 2025 | Mar 13, 2025 |
| 4 | Insider transaction | Mar 14, 2025 | Mar 13, 2025 |
| 4 | Insider transaction | Mar 14, 2025 | Mar 13, 2025 |
| 10-K | Annual report | Mar 11, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 11, 2025 | Mar 11, 2025 |
| 4 | Insider transaction | Jan 29, 2025 | Jan 27, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 13, 2024 | Dec 10, 2024 |
| 8-K |
Current report
Other events
|
Dec 10, 2024 | Dec 10, 2024 |
| SC 13G | Ownership over 5% (passive) | Nov 8, 2024 | — |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 2024 |
| 4 | Insider transaction | Oct 29, 2024 | Oct 25, 2024 |
| SC 13G | Ownership over 5% (passive) | Oct 24, 2024 | — |
| 8-K |
Current report
Officer or director change
|
Oct 4, 2024 | Oct 1, 2024 |
| 8-K |
Current report
Officer or director change
|
Sep 23, 2024 | Sep 23, 2024 |
| 8-K |
Current report
Officer or director change
|
Sep 20, 2024 | Sep 19, 2024 |
| 8-K |
Current report
Other events
|
Aug 15, 2024 | Aug 15, 2024 |
| 10-Q | Quarterly report | Aug 1, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2024 | Aug 1, 2024 |
| 8-K |
Current report
Other events
|
Jul 19, 2024 | Jul 19, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 1, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 1, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 13, 2024 | Jun 11, 2024 |
| 10-Q | Quarterly report | May 7, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 7, 2024 | May 7, 2024 |
| ARS | Annual report to shareholders | Apr 26, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 26, 2024 | — |
| DEF 14A | Proxy statement | Apr 26, 2024 | Jun 11, 2024 |
| 8-K |
Current report
Material agreement
|
Apr 1, 2024 | Mar 27, 2024 |
| 4 | Insider transaction | Mar 27, 2024 | Mar 25, 2024 |
| 3 | Initial insider ownership | Mar 27, 2024 | Mar 25, 2024 |
| 10-K | Annual report | Mar 12, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 12, 2024 | Mar 12, 2024 |
| SC 13G | Ownership over 5% (passive) | Feb 1, 2024 | — |
| 4 | Insider transaction | Jan 30, 2024 | Jan 27, 2024 |
| 3 | Initial insider ownership | Jan 30, 2024 | Jan 27, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 22, 2024 | Jan 16, 2024 |
| 8-K |
Current report
Officer or director change
|
Jan 2, 2024 | Jan 1, 2024 |
| 10-Q | Quarterly report | Nov 7, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Officer or director change
|
Sep 6, 2023 | Sep 6, 2023 |
| 10-Q | Quarterly report | Aug 8, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2023 | Aug 8, 2023 |
| 8-K |
Current report
Officer or director change
|
Jul 28, 2023 | Jul 26, 2023 |
| 8-K |
Current report
Other events
|
Jul 28, 2023 | Jul 27, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 13, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 13, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 13, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 13, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 13, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 13, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 13, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 13, 2023 |
| 3 | Initial insider ownership | Jun 15, 2023 | Jun 13, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 15, 2023 | Jun 13, 2023 |
| 4 | Insider transaction | May 12, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 12, 2023 | May 11, 2023 |
| 10-Q | Quarterly report | May 4, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 4, 2023 | May 4, 2023 |
| 8-K |
Current report
Other events
|
May 4, 2023 | May 4, 2023 |
| ARS | Annual report to shareholders | Apr 26, 2023 | Dec 31, 2022 |
| DEF 14A | Proxy statement | Apr 26, 2023 | — |
| 10-K | Annual report | Mar 2, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 2, 2023 | Mar 2, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| 8-K |
Current report
Officer or director change
|
Jan 17, 2023 | Jan 13, 2023 |
| 4 | Insider transaction | Nov 14, 2022 | Nov 10, 2022 |
| 4 | Insider transaction | Nov 14, 2022 | Nov 10, 2022 |
| 3 | Initial insider ownership | Nov 14, 2022 | Nov 10, 2022 |
| 3 | Initial insider ownership | Nov 14, 2022 | Nov 10, 2022 |
| 8-K |
Current report
Officer or director change
|
Nov 14, 2022 | Nov 10, 2022 |
| 10-Q | Quarterly report | Nov 3, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2022 | Nov 3, 2022 |
| 8-K |
Current report
Other events
|
Aug 9, 2022 | Aug 9, 2022 |
| 10-Q | Quarterly report | Aug 4, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Aug 4, 2022 | Jul 31, 2022 |
| 8-K |
Current report
Other events
|
Jul 12, 2022 | Jul 12, 2022 |
| SC 13G | Ownership over 5% (passive) | Jun 24, 2022 | — |
| 4 | Insider transaction | Jun 16, 2022 | Jun 14, 2022 |
| 4 | Insider transaction | Jun 16, 2022 | Jun 14, 2022 |
| 4 | Insider transaction | Jun 16, 2022 | Jun 14, 2022 |
| 4 | Insider transaction | Jun 16, 2022 | Jun 14, 2022 |
| 4 | Insider transaction | Jun 16, 2022 | Jun 14, 2022 |
| 4 | Insider transaction | Jun 16, 2022 | Jun 14, 2022 |
| 4 | Insider transaction | Jun 16, 2022 | Jun 14, 2022 |
| 4 | Insider transaction | Jun 16, 2022 | Jun 14, 2022 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jun 16, 2022 | Jun 14, 2022 |
| 10-Q | Quarterly report | May 5, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 5, 2022 | May 5, 2022 |
| 8-K |
Current report
Other events
|
May 5, 2022 | May 5, 2022 |
| DEF 14A | Proxy statement | Apr 27, 2022 | Jun 14, 2022 |
| PRE 14A | Preliminary proxy statement | Apr 13, 2022 | Jun 14, 2022 |
| 8-K |
Current report
Officer or director change
|
Mar 24, 2022 | Mar 18, 2022 |
| 10-K | Annual report | Mar 3, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 3, 2022 | Mar 3, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 1, 2022 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 15, 2021 | Dec 9, 2021 |
| 4 | Insider transaction | Dec 10, 2021 | Dec 9, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 22, 2021 | — |
| 10-Q | Quarterly report | Nov 4, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2021 | Nov 4, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 17, 2021 | — |
| 8-K |
Current report
Other events
|
Sep 15, 2021 | Sep 14, 2021 |
| 8-K |
Current report
Other events
|
Sep 9, 2021 | Sep 7, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 17, 2021 | — |
| 10-Q | Quarterly report | Aug 5, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2021 | Aug 5, 2021 |
| 4 | Insider transaction | Aug 3, 2021 | Jul 31, 2021 |
| 4 | Insider transaction | Aug 3, 2021 | Jul 31, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 3 | Initial insider ownership | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 3 | Initial insider ownership | Jun 17, 2021 | Jun 15, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 17, 2021 | Jun 15, 2021 |
| 10-Q | Quarterly report | May 6, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 6, 2021 | May 6, 2021 |
| DEF 14A | Proxy statement | Apr 27, 2021 | Jun 15, 2021 |
| 10-K | Annual report | Mar 4, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Mar 4, 2021 | Mar 4, 2021 |
| SC 13D | Ownership over 5% (active) | Feb 23, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 1, 2021 | — |
| 8-K |
Current report
Material agreement, Officer or director change
|
Jan 22, 2021 | Jan 20, 2021 |
| 8-K |
Current report
Other events
|
Jan 13, 2021 | Jan 13, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 4, 2021 | — |
| 4 | Insider transaction | Dec 11, 2020 | Dec 10, 2020 |
| 3 | Initial insider ownership | Dec 11, 2020 | Dec 10, 2020 |
| 8-K |
Current report
Officer or director change
|
Dec 11, 2020 | Dec 10, 2020 |
| 10-Q | Quarterly report | Nov 5, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2020 | Nov 5, 2020 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- SIGA (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- New York, NY
- SEC filer status
- Accelerated filer
- SEC CIK
- 1010086
- Former names
- SIGA PHARMACEUTICALS INC (until May 25, 2000)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.