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.

Siga Technologies Inc SEC filings
Form Description Filed Period
8-K Current report
Results of operations
Aug 6, 2026 Aug 6, 2026
8-K Current report
Officer or director change, Shareholder vote results
Jun 10, 2026 Jun 9, 2026
8-K Current report
Results of operations
May 7, 2026 May 7, 2026
8-K Current report
Other events
Mar 26, 2026 Mar 26, 2026
8-K Current report
Results of operations
Mar 10, 2026 Mar 10, 2026
8-K Current report
Results of operations
Nov 6, 2025 Nov 6, 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
8-K Current report
Results of operations
May 8, 2025 May 8, 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
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
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
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
8-K Current report
Results of operations
May 7, 2024 May 7, 2024
8-K Current report
Material agreement
Apr 1, 2024 Mar 27, 2024
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
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
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
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
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
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
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
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
8-K Current report
Officer or director change
Mar 24, 2022 Mar 18, 2022
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
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
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
8-K Current report
Results of operations
May 6, 2021 May 6, 2021
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
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
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
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
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
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
8-K Current report
Results of operations, Other events
Mar 5, 2020 Mar 5, 2020
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
8-K Current report
Material agreement
May 10, 2019 May 6, 2019
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
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
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
8-K Current report
Other events
Mar 20, 2018 Mar 20, 2018
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
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
8-K Current report
Other events
Oct 21, 2016 Oct 21, 2016
8-K Current report
Material agreement, Unregistered share sale
Oct 19, 2016 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
8-K Current report
Other events
Sep 12, 2016 Sep 8, 2016
8-K Current report
Material agreement, New debt, Unregistered share sale
Sep 7, 2016 Sep 2, 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
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
8-K Current report
Material agreement
Jul 5, 2016 Jun 28, 2016
8-K Current report
Shareholder vote results
May 20, 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
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
8-K Current report
Listing notice
May 22, 2015 May 20, 2015
8-K Current report
Shareholder vote results
May 15, 2015 May 14, 2015
8-K Current report
Other events
May 5, 2015 Apr 29, 2015
8-K Current report
Listing notice
Mar 18, 2015 Mar 18, 2015
8-K Current report
Other events
Jan 16, 2015 Jan 16, 2015
8-K Current report
Other events
Jan 8, 2015 Jan 7, 2015
8-K Current report
Other events
Dec 24, 2014 Dec 24, 2014
8-K Current report
Material agreement, Bankruptcy, Listing notice
Sep 18, 2014 Sep 16, 2014
8-K Current report
Other events
Aug 12, 2014 Aug 8, 2014
8-K Current report
Shareholder vote results
May 20, 2014 May 15, 2014
8-K Current report
Other events
May 28, 2013 May 26, 2013
8-K Current report
Shareholder vote results
May 17, 2013 May 15, 2013
8-K Current report
Restatement
May 10, 2013 May 8, 2013
8-K Current report
Unregistered share sale
May 6, 2013 Apr 30, 2013
8-K Current report
Officer or director change
Mar 25, 2013 Mar 21, 2013
8-K Current report
Other events
Mar 13, 2013 Mar 12, 2013
8-K Current report
Material agreement, New debt
Jan 7, 2013 Dec 31, 2012
8-K Current report
Material agreement, Officer or director change
Jun 4, 2012 Jun 4, 2012
8-K Current report
Other events
Jun 1, 2012 Jun 1, 2012
8-K Current report
Material agreement, Shareholder vote results
May 25, 2012 May 23, 2012
8-K Current report
Material agreement, Other events
Feb 3, 2012 Feb 2, 2012
8-K Current report
Material agreement, Officer or director change
Jan 13, 2012 Jan 13, 2012
8-K Current report
Material agreement, Officer or director change
Dec 27, 2011 Dec 21, 2011
8-K Current report
Other events
Dec 19, 2011 Dec 16, 2011
8-K Current report
Other events
Dec 12, 2011 Dec 6, 2011
8-K Current report
Other events
Sep 22, 2011 Sep 22, 2011
8-K Current report
Material agreement, Other events
Jun 28, 2011 Jun 24, 2011
8-K Current report
Material agreement, Shareholder vote results
May 17, 2011 May 17, 2011
8-K Current report
Material agreement, Other events
May 17, 2011 May 13, 2011
8-K Current report
Officer or director change
Mar 11, 2011 Mar 9, 2011
8-K Current report
Officer or director change
Mar 3, 2011 Feb 25, 2011
8-K Current report
Officer or director change
Feb 16, 2011 Feb 10, 2011
8-K Current report
Restatement
Sep 28, 2010 Sep 28, 2010
8-K Current report
Unregistered share sale
Jul 27, 2010 Jul 26, 2010
8-K Current report
Material agreement, Unregistered share sale
Jun 22, 2010 Jun 18, 2010
8-K Current report
Officer or director change
Jun 21, 2010 Jun 17, 2010
8-K Current report
Shareholder vote results
May 17, 2010 May 13, 2010
8-K Current report
Officer or director change
Jan 15, 2010 Jan 12, 2010
8-K Current report
Officer or director change
Dec 18, 2009 Dec 15, 2009
8-K Current report
Regulation FD disclosure, Other events
Dec 14, 2009 Dec 14, 2009
8-K Current report
Material agreement, Regulation FD disclosure, Other events
Dec 10, 2009 Dec 9, 2009
8-K Current report
Unregistered share sale
Sep 17, 2009 Sep 17, 2009
8-K Current report
Listing notice
Sep 3, 2009 Aug 31, 2009
8-K Current report
Material agreement, Unregistered share sale, Officer or director change
Apr 30, 2009 Apr 29, 2009
8-K Current report
Officer or director change, Bylaw or fiscal year change
Mar 12, 2009 Mar 11, 2009
8-K Current report
Officer or director change
Feb 3, 2009 Jan 29, 2009
8-K Current report
Officer or director change
Nov 17, 2008 Nov 17, 2008
8-K Current report
Officer or director change, Bylaw or fiscal year change
Nov 5, 2008 Oct 30, 2008
8-K Current report
Other events
Sep 19, 2008 Sep 18, 2008
8-K Current report
Other events
Sep 4, 2008 Sep 3, 2008
8-K Current report
Material agreement
Jun 23, 2008 Jun 19, 2008
8-K Current report
Regulation FD disclosure
May 10, 2007 May 8, 2007
8-K Current report
Other events
Mar 19, 2007 Mar 19, 2007
8-K Current report
Officer or director change, Other events
Jan 31, 2007 Jan 30, 2007
8-K Current report
Officer or director change
Jan 22, 2007 Jan 22, 2007
8-K Current report
Other events
Dec 22, 2006 Dec 20, 2006
8-K Current report
Other events
Dec 20, 2006 Dec 20, 2006
8-K Current report
Other events
Dec 19, 2006 Dec 19, 2006
8-K Current report
Material agreement, Unregistered share sale
Oct 20, 2006 Oct 18, 2006
8-K Current report
Other events
Oct 18, 2006 Oct 18, 2006
8-K Current report
Other events
Oct 11, 2006 Oct 10, 2006
8-K Current report
Material agreement, Agreement ended
Oct 4, 2006 Sep 29, 2006
8-K Current report
Other events
Sep 25, 2006 Sep 25, 2006
8-K Current report
Listing notice
Aug 28, 2006 Aug 22, 2006
8-K Current report
Listing notice
Jul 25, 2006 Jul 19, 2006
8-K Current report
Material agreement, New debt
Jun 20, 2006 Jun 19, 2006
8-K Current report
Other events
Jun 13, 2006 Jun 9, 2006
8-K Current report
Material agreement
Jun 13, 2006 Jun 8, 2006
8-K Current report
Officer or director change
May 4, 2006 Apr 30, 2006
8-K Current report
Material agreement, New debt
Apr 20, 2006 Apr 19, 2006
8-K Current report
Material agreement, Agreement ended, Officer or director change
Apr 3, 2006 Mar 31, 2006
8-K Current report
Material agreement, New debt
Mar 22, 2006 Mar 20, 2006
8-K Current report
Other events
Mar 14, 2006 Mar 14, 2006
8-K Current report
Material agreement
Feb 7, 2006 Feb 1, 2006
8-K Current report
Material agreement
Feb 7, 2006 Feb 1, 2006
8-K Current report
Listing notice
Feb 3, 2006 Jan 31, 2006
8-K Current report
Listing notice
Jan 5, 2006 Dec 30, 2005
8-K Current report
Other events
Dec 14, 2005 Dec 13, 2005
8-K Current report
Material agreement, Unregistered share sale
Nov 4, 2005 Nov 2, 2005
8-K Current report
Other events
Oct 6, 2005 Oct 6, 2005
8-K Current report
Listing notice
Sep 28, 2005 Sep 22, 2005
8-K Current report
Material agreement
Sep 27, 2005 Sep 22, 2005
8-K Current report
Material agreement
Sep 20, 2005 Sep 14, 2005
8-K Current report
Listing notice
Aug 24, 2005 Aug 18, 2005
8-K Current report
Material agreement, Agreement ended, Officer or director change
Aug 11, 2005 Aug 5, 2005
8-K Current report
Material agreement, Other events
May 27, 2005 May 26, 2005
8-K Current report
Material agreement
May 3, 2005 Apr 27, 2005
8-K Current report
Material agreement
Apr 26, 2005 Apr 26, 2005
8-K Current report
Other events
Feb 15, 2005 Feb 15, 2005
8-K Current report
Regulation FD disclosure
Nov 24, 2004 Nov 24, 2004
8-K Current report
Regulation FD disclosure
Nov 15, 2004 Nov 15, 2004
8-K Current report
Regulation FD disclosure
Oct 25, 2004 Oct 25, 2004
8-K Current report
Regulation FD disclosure
Oct 5, 2004 Oct 5, 2004
8-K Current report
Regulation FD disclosure
Sep 14, 2004 Sep 14, 2004
8-K/A Amended current report
Regulation FD disclosure
Aug 25, 2004 Aug 25, 2004
8-K Current report
Regulation FD disclosure
Aug 25, 2004 Aug 24, 2004

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.

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

Source: SEC EDGAR filings. This is company-reported data, not investment advice.