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 |
|---|---|---|---|
| S-8 | Employee stock plan registration | Jun 25, 2026 | — |
| S-8 | Employee stock plan registration | Jun 5, 2017 | — |
| 424B3 | Prospectus | Nov 2, 2016 | — |
| 424B3 | Prospectus | Oct 21, 2016 | — |
| S-1/A | Amended registration statement | Oct 19, 2016 | — |
| S-1/A | Amended registration statement | Oct 13, 2016 | — |
| S-1/A | Amended registration statement | Sep 20, 2016 | — |
| S-1/A | Amended registration statement | Aug 22, 2016 | — |
| S-1 | Registration statement | Jun 6, 2016 | — |
| S-8 | Employee stock plan registration | Aug 6, 2012 | — |
| S-8 | Employee stock plan registration | Jun 4, 2010 | — |
| 424B3 | Prospectus | Feb 26, 2010 | — |
| FWP | Free writing prospectus | Dec 14, 2009 | — |
| 424B2 | Prospectus | Dec 10, 2009 | — |
| S-3/A | Siga technologies s-3 a 11-4-2009 | Nov 9, 2009 | — |
| S-3 | Shelf registration | Oct 29, 2009 | — |
| 424B3 | Prospectus | Jun 19, 2009 | — |
| 424B3 | Prospectus | May 19, 2009 | — |
| 424B3 | Prospectus | Feb 24, 2009 | — |
| 424B3 | Prospectus | May 16, 2007 | — |
| 424B3 | Prospectus | May 16, 2007 | — |
| 424B3 | Prospectus | Dec 26, 2006 | — |
| 424B3 | Prospectus | Dec 5, 2006 | — |
| S-3 | Shelf registration | Dec 1, 2006 | — |
| S-3 | Shelf registration | Nov 17, 2006 | — |
| 424B3 | Prospectus | Oct 27, 2006 | — |
| 424B3 | Prospectus | Apr 18, 2006 | — |
| S-3 | Shelf registration | Mar 31, 2006 | — |
| 424B3 | Prospectus | Dec 5, 2005 | — |
| S-3/A | Amendment no. 1 to s-3 | Nov 29, 2005 | — |
| S-3 | Shelf registration | Nov 16, 2005 | — |
| 424B3 | Prospectus | Jan 26, 2005 | — |
| S-3/A | Amendment to form s-3 | Dec 22, 2004 | — |
| S-3 | Shelf registration | Nov 24, 2004 | — |
| 424B3 | Prospectus | Apr 30, 2004 | — |
| S-3/A | Form s-3/a | Apr 21, 2004 | — |
| S-8 | Employee stock plan registration | Feb 18, 2004 | — |
| S-3 | Shelf registration | Jan 30, 2004 | — |
| 424B3 | Prospectus | Sep 22, 2003 | — |
| S-3/A | Pre-effective amend. no. 3 | Sep 5, 2003 | — |
| S-3/A | Amendment no. 2 | Jul 25, 2003 | — |
Showing 41 filings. 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.