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 | — |
| 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 |
| 8-K |
Current report
Other events
|
Mar 26, 2026 | Mar 26, 2026 |
| 10-K | Annual report | Mar 10, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 10, 2026 | Mar 10, 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 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jun 12, 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 |
| PRE 14A | Preliminary proxy statement | Apr 18, 2025 | Jun 10, 2025 |
| 8-K |
Current report
Other events
|
Apr 8, 2025 | Apr 8, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 18, 2025 | Mar 17, 2025 |
| 10-K | Annual report | Mar 11, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 11, 2025 | Mar 11, 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 |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 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 |
| 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 |
| 10-K | Annual report | Mar 12, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 12, 2024 | Mar 12, 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 |
| 8-K |
Current report
Shareholder vote results
|
Jun 15, 2023 | Jun 13, 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 |
| 8-K |
Current report
Officer or director change
|
Jan 17, 2023 | Jan 13, 2023 |
| 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 |
| 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 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 15, 2021 | Dec 9, 2021 |
| 10-Q | Quarterly report | Nov 4, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2021 | Nov 4, 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 |
| 10-Q | Quarterly report | Aug 5, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2021 | Aug 5, 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 |
| 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 |
| 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 |
| 8-K |
Current report
Officer or director change
|
Oct 2, 2020 | Sep 30, 2020 |
| 10-Q | Quarterly report | Aug 6, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Officer or director change
|
Aug 6, 2020 | Aug 6, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2020 | Aug 6, 2020 |
| UPLOAD | Letter from the SEC | Jul 20, 2020 | — |
| CORRESP | Letter to the SEC | Jun 26, 2020 | — |
| 8-K |
Current report
Officer or director change
|
Jun 26, 2020 | Jun 23, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jun 18, 2020 | Jun 16, 2020 |
| UPLOAD | Letter from the SEC | Jun 17, 2020 | — |
| DEFA14A | Additional proxy material | Jun 1, 2020 | — |
| 10-Q | Quarterly report | May 6, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 6, 2020 | May 6, 2020 |
| 8-K |
Current report
Other events
|
Apr 29, 2020 | Apr 29, 2020 |
| DEF 14A | Proxy statement | Apr 28, 2020 | Jun 16, 2020 |
| 8-K |
Current report
Agreement ended
|
Mar 10, 2020 | Mar 9, 2020 |
| 8-K |
Current report
Officer or director change
|
Mar 6, 2020 | Mar 5, 2020 |
| 10-K | Annual report | Mar 5, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations, Other events
|
Mar 5, 2020 | Mar 5, 2020 |
| SEC STAFF LETTER | Filing | Feb 18, 2020 | — |
| SEC STAFF LETTER | Filing | Feb 6, 2020 | — |
| 10-Q | Quarterly report | Nov 5, 2019 | Sep 30, 2019 |
| 10-Q | Quarterly report | Aug 6, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Officer or director change
|
Jul 2, 2019 | Jul 2, 2019 |
| 8-K |
Current report
Material agreement
|
Jun 3, 2019 | May 31, 2019 |
| 8-K |
Current report
Shareholder vote results
|
May 22, 2019 | May 21, 2019 |
| 8-K |
Current report
Material agreement
|
May 20, 2019 | May 17, 2019 |
| CT ORDER | Filing | May 16, 2019 | — |
| 8-K |
Current report
Material agreement
|
May 10, 2019 | May 6, 2019 |
| 10-Q | Quarterly report | May 2, 2019 | Mar 31, 2019 |
| DEF 14A | Proxy statement | Apr 29, 2019 | May 21, 2019 |
| 10-K | Annual report | Mar 6, 2019 | Dec 31, 2018 |
| CT ORDER | Filing | Nov 19, 2018 | — |
| 10-Q | Quarterly report | Nov 6, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt
|
Nov 1, 2018 | Oct 31, 2018 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Oct 18, 2018 | Oct 13, 2018 |
| CT ORDER | Filing | Oct 11, 2018 | — |
| 8-K |
Current report
Material agreement
|
Sep 11, 2018 | Sep 10, 2018 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Aug 10, 2018 | Aug 10, 2018 |
| 10-Q | Quarterly report | Aug 7, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Aug 3, 2018 | Aug 1, 2018 |
| 8-K |
Current report
Material agreement
|
Aug 1, 2018 | Jul 30, 2018 |
| 8-K |
Current report
Shareholder vote results
|
May 23, 2018 | May 22, 2018 |
| 10-Q | Quarterly report | May 4, 2018 | Mar 31, 2018 |
| DEF 14A | Proxy statement | Apr 18, 2018 | May 22, 2018 |
| CERT | Filing | Mar 20, 2018 | — |
| 8-A12B | Filing | Mar 20, 2018 | — |
| 8-K |
Current report
Other events
|
Mar 20, 2018 | Mar 20, 2018 |
| 10-K | Annual report | Mar 6, 2018 | Dec 31, 2017 |
| 10-Q | Quarterly report | Nov 7, 2017 | Sep 30, 2017 |
| 10-Q | Quarterly report | Aug 3, 2017 | Jun 30, 2017 |
| S-8 | Employee stock plan registration | Jun 5, 2017 | — |
| 8-K |
Current report
Material agreement, New debt
|
May 30, 2017 | May 26, 2017 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 25, 2017 | May 23, 2017 |
| 10-Q | Quarterly report | May 4, 2017 | Mar 31, 2017 |
| DEF 14A | Proxy statement | Apr 17, 2017 | May 23, 2017 |
| 10-K | Annual report | Mar 7, 2017 | Dec 31, 2016 |
| 8-K |
Current report
Other events
|
Dec 23, 2016 | Dec 22, 2016 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Dec 13, 2016 | Dec 8, 2016 |
| 8-K |
Current report
New debt, Unregistered share sale, Other events
|
Nov 18, 2016 | Nov 16, 2016 |
| 424B3 | Prospectus | Nov 2, 2016 | — |
| 10-Q | Quarterly report | Nov 2, 2016 | Sep 30, 2016 |
| EFFECT | Filing | Oct 21, 2016 | — |
| 424B3 | Prospectus | Oct 21, 2016 | — |
| 8-K |
Current report
Other events
|
Oct 21, 2016 | Oct 21, 2016 |
| CORRESP | Letter to the SEC | Oct 20, 2016 | — |
| CORRESP | Letter to the SEC | Oct 19, 2016 | — |
| S-1/A | Amended registration statement | Oct 19, 2016 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Oct 19, 2016 | Oct 13, 2016 |
| CORRESP | Letter to the SEC | Oct 13, 2016 | — |
| S-1/A | Amended registration statement | Oct 13, 2016 | — |
| 8-K |
Current report
Material agreement, Officer or director change
|
Oct 13, 2016 | Oct 13, 2016 |
| 8-K |
Current report
Other events
|
Oct 6, 2016 | Oct 5, 2016 |
| UPLOAD | Letter from the SEC | Oct 3, 2016 | — |
| CORRESP | Letter to the SEC | Sep 20, 2016 | — |
| S-1/A | Amended registration statement | Sep 20, 2016 | — |
| 8-K |
Current report
Other events
|
Sep 12, 2016 | Sep 8, 2016 |
| UPLOAD | Letter from the SEC | Sep 8, 2016 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Sep 7, 2016 | Sep 2, 2016 |
| CT ORDER | Filing | Aug 25, 2016 | — |
| CORRESP | Letter to the SEC | Aug 22, 2016 | — |
| S-1/A | Amended registration statement | Aug 22, 2016 | — |
| 8-K |
Current report
Other events
|
Aug 19, 2016 | Aug 18, 2016 |
| 8-K |
Current report
Other events
|
Aug 9, 2016 | Aug 8, 2016 |
| 10-Q | Quarterly report | Aug 8, 2016 | Jun 30, 2016 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Aug 2, 2016 | Aug 1, 2016 |
| 8-K |
Current report
Other events
|
Jul 21, 2016 | Jul 20, 2016 |
| 8-K |
Current report
Other events
|
Jul 8, 2016 | Jul 8, 2016 |
| UPLOAD | Letter from the SEC | Jul 6, 2016 | — |
| 8-K |
Current report
Material agreement
|
Jul 5, 2016 | Jun 28, 2016 |
| S-1 | Registration statement | Jun 6, 2016 | — |
| CT ORDER | Filing | May 24, 2016 | — |
| 8-K |
Current report
Shareholder vote results
|
May 20, 2016 | May 17, 2016 |
| 10-Q | Quarterly report | May 4, 2016 | Mar 31, 2016 |
| DEF 14A | Proxy statement | Apr 18, 2016 | May 17, 2016 |
| 8-K |
Current report
Material agreement, Bankruptcy, Officer or director change, Bylaw or fiscal year change
|
Apr 14, 2016 | Apr 8, 2016 |
| 10-K | Annual report | Mar 4, 2016 | Dec 31, 2015 |
| 8-K |
Current report
Officer or director change
|
Jan 7, 2016 | Dec 31, 2015 |
| 8-K |
Current report
Other events
|
Dec 24, 2015 | Dec 23, 2015 |
| 8-K |
Current report
Other events
|
Dec 16, 2015 | Dec 15, 2015 |
| 10-Q | Quarterly report | Oct 27, 2015 | Sep 30, 2015 |
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)
Other Pharmaceutical Preparations companies
- ELI LILLY & Co LLY
- Johnson & Johnson JNJ
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- Astrazeneca PLC AZN
- Abbott Laboratories ABT
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.