Armata Pharmaceuticals, Inc. SEC filings ARMP

Armata Pharmaceuticals, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Jan 27, 2004. Its latest annual report, Form ARS, was filed on Apr 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 12, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 23, 2026 (other events). The company's fiscal year ends on December 31.

Armata Pharmaceuticals, Inc. SEC filings
Form Description Filed Period
4 Insider transaction Jul 14, 2026 Jul 10, 2026
SCHEDULE 13D/A Amended ownership over 5% (active) May 13, 2026 —
4 Insider transaction Apr 28, 2026 Apr 24, 2026
3 Initial insider ownership Apr 28, 2026 Apr 24, 2026
4 Insider transaction Mar 17, 2026 Mar 14, 2026
4 Insider transaction Mar 17, 2026 Mar 14, 2026
4 Insider transaction Mar 11, 2026 Mar 9, 2026
4 Insider transaction Mar 11, 2026 Mar 9, 2026
4 Insider transaction Mar 11, 2026 Mar 9, 2026
4 Insider transaction Mar 11, 2026 Mar 9, 2026
4 Insider transaction Mar 11, 2026 Mar 9, 2026
4 Insider transaction Mar 11, 2026 Mar 9, 2026
4 Insider transaction Mar 11, 2026 Mar 9, 2026
4 Insider transaction Mar 11, 2026 Mar 9, 2026
4 Insider transaction Mar 11, 2026 Mar 9, 2026
SCHEDULE 13D/A Amended ownership over 5% (active) Jan 26, 2026 —
SCHEDULE 13D/A Amended ownership over 5% (active) Aug 12, 2025 —
4 Insider transaction Jul 14, 2025 Jul 10, 2025
4 Insider transaction Apr 25, 2025 Jul 10, 2024
4 Insider transaction Apr 25, 2025 Mar 14, 2025
3/A Ownership document Apr 25, 2025 Jun 19, 2024
SCHEDULE 13D/A Amended ownership over 5% (active) Mar 12, 2025 —
4 Insider transaction Feb 7, 2025 Feb 5, 2025
4 Insider transaction Feb 7, 2025 Feb 5, 2025
4 Insider transaction Feb 7, 2025 Feb 5, 2025
4 Insider transaction Feb 7, 2025 Feb 5, 2025
4 Insider transaction Feb 7, 2025 Feb 5, 2025
4 Insider transaction Feb 7, 2025 Feb 5, 2025
4 Insider transaction Feb 7, 2025 Feb 5, 2025
4 Insider transaction Feb 7, 2025 Feb 5, 2025
4 Insider transaction Feb 7, 2025 Feb 5, 2025
SC 13D/A Amended ownership over 5% (active) Nov 14, 2024 —
4 Insider transaction Oct 3, 2024 Oct 2, 2024
3 Initial insider ownership Aug 19, 2024 Aug 16, 2024
3 Initial insider ownership Jun 28, 2024 Jun 19, 2024
4 Insider transaction Mar 18, 2024 Mar 14, 2024
4 Insider transaction Mar 18, 2024 Mar 14, 2024
4 Insider transaction Mar 18, 2024 Mar 14, 2024
4 Insider transaction Mar 18, 2024 Mar 14, 2024
4 Insider transaction Mar 18, 2024 Mar 14, 2024
4 Insider transaction Mar 18, 2024 Mar 14, 2024
4 Insider transaction Mar 18, 2024 Mar 14, 2024
4 Insider transaction Mar 18, 2024 Mar 14, 2024
SC 13D/A Amended ownership over 5% (active) Mar 4, 2024 —
4 Insider transaction Dec 26, 2023 Dec 21, 2023
4 Insider transaction Dec 26, 2023 Dec 21, 2023
4 Insider transaction Dec 26, 2023 Dec 21, 2023
4 Insider transaction Dec 26, 2023 Dec 21, 2023
4 Insider transaction Dec 26, 2023 Dec 21, 2023
4 Insider transaction Dec 26, 2023 Dec 21, 2023
4 Insider transaction Dec 26, 2023 Dec 21, 2023
4 Insider transaction Dec 26, 2023 Dec 21, 2023
3 Initial insider ownership Sep 22, 2023 Sep 15, 2023
3 Initial insider ownership Jul 19, 2023 Jul 10, 2023
SC 13D/A Amended ownership over 5% (active) Jul 11, 2023 —
3 Initial insider ownership May 8, 2023 May 2, 2023
3 Initial insider ownership Feb 7, 2023 Jul 1, 2022
4 Insider transaction Jan 12, 2023 Jan 10, 2023
SC 13D/A Amended ownership over 5% (active) Jan 10, 2023 —
4 Insider transaction Apr 15, 2022 Apr 13, 2022
4 Insider transaction Apr 15, 2022 Apr 13, 2022
4 Insider transaction Apr 15, 2022 Apr 13, 2022
4 Insider transaction Apr 15, 2022 Apr 13, 2022
4 Insider transaction Apr 15, 2022 Apr 13, 2022
4 Insider transaction Apr 15, 2022 Apr 13, 2022
4 Insider transaction Apr 15, 2022 Apr 13, 2022
4 Insider transaction Apr 15, 2022 Apr 13, 2022
4 Insider transaction Apr 15, 2022 Apr 13, 2022
4 Insider transaction Apr 1, 2022 Mar 31, 2022
SC 13D/A Amended ownership over 5% (active) Apr 1, 2022 —
4 Insider transaction Feb 11, 2022 Feb 9, 2022
SC 13D/A Amended ownership over 5% (active) Feb 11, 2022 —
4 Insider transaction Nov 1, 2021 Oct 29, 2021
SC 13D/A Amended ownership over 5% (active) Nov 1, 2021 —
4 Insider transaction Aug 3, 2021 Aug 2, 2021
4 Insider transaction Jun 9, 2021 Jun 7, 2021
4 Insider transaction Jun 9, 2021 Jun 7, 2021
4 Insider transaction Jun 9, 2021 Jun 7, 2021
4 Insider transaction Jun 9, 2021 Jun 7, 2021
4 Insider transaction Jun 9, 2021 Jun 7, 2021
4 Insider transaction Apr 5, 2021 Apr 1, 2021
3 Initial insider ownership Apr 5, 2021 Apr 1, 2021
SC 13D/A Amended ownership over 5% (active) Apr 5, 2021 —
4 Insider transaction Mar 26, 2021 Mar 25, 2021
4 Insider transaction Mar 26, 2021 Mar 25, 2021
4 Insider transaction Mar 26, 2021 Mar 25, 2021
4 Insider transaction Mar 26, 2021 Mar 25, 2021
SC 13D/A Amended ownership over 5% (active) Mar 17, 2021 —
4 Insider transaction Mar 17, 2021 Mar 17, 2021
4 Insider transaction Jan 28, 2021 Jan 26, 2021
SC 13D/A Amended ownership over 5% (active) Jan 27, 2021 —
4 Insider transaction Dec 9, 2020 Dec 8, 2020
4 Insider transaction Dec 9, 2020 Dec 8, 2020
4 Insider transaction Dec 9, 2020 Dec 8, 2020
4 Insider transaction Dec 9, 2020 Dec 8, 2020
4 Insider transaction Dec 9, 2020 Dec 8, 2020
4 Insider transaction Dec 9, 2020 Dec 8, 2020
4 Insider transaction Dec 9, 2020 Dec 8, 2020
4 Insider transaction Dec 9, 2020 Dec 8, 2020
4 Insider transaction Dec 9, 2020 Dec 8, 2020
4 Insider transaction Dec 9, 2020 Dec 8, 2020
3 Initial insider ownership Dec 9, 2020 Dec 8, 2020
4 Insider transaction Mar 31, 2020 Mar 27, 2020
SC 13D/A Amended ownership over 5% (active) Mar 31, 2020 —
4 Insider transaction Feb 14, 2020 Feb 12, 2020
3 Initial insider ownership Feb 14, 2020 Feb 12, 2020
4 Insider transaction Feb 14, 2020 Feb 12, 2020
3 Initial insider ownership Feb 14, 2020 Feb 12, 2020
5 Annual insider ownership Feb 14, 2020 Dec 31, 2019
5 Annual insider ownership Feb 14, 2020 Dec 31, 2019
SC 13D Ownership over 5% (active) Feb 14, 2020 —
3 Initial insider ownership Feb 14, 2020 Feb 12, 2020
SC 13G Ownership over 5% (passive) Nov 12, 2019 —
4 Insider transaction Oct 15, 2019 Oct 10, 2019
3 Initial insider ownership Oct 15, 2019 Oct 10, 2019
4 Insider transaction May 24, 2019 May 22, 2019
4 Insider transaction May 24, 2019 May 22, 2019
4 Insider transaction May 24, 2019 May 22, 2019
4 Insider transaction May 24, 2019 May 22, 2019
4 Insider transaction May 24, 2019 May 22, 2019
4 Insider transaction May 24, 2019 May 22, 2019
4 Insider transaction May 24, 2019 May 22, 2019
4 Insider transaction May 24, 2019 May 22, 2019
4 Insider transaction May 24, 2019 May 22, 2019
4 Insider transaction May 24, 2019 May 22, 2019
SC 13G Ownership over 5% (passive) May 21, 2019 —
SC 13D Ownership over 5% (active) May 21, 2019 —
3 Initial insider ownership May 20, 2019 May 9, 2019
SC 13G Ownership over 5% (passive) May 17, 2019 —
3 Initial insider ownership May 17, 2019 May 9, 2019
3 Initial insider ownership May 16, 2019 May 9, 2019
3 Initial insider ownership May 16, 2019 May 9, 2019
3 Initial insider ownership May 16, 2019 May 9, 2019
3 Initial insider ownership May 16, 2019 May 9, 2019
3 Initial insider ownership May 16, 2019 May 9, 2019
3 Initial insider ownership May 16, 2019 May 9, 2019
3 Initial insider ownership May 16, 2019 May 9, 2019
SC 13G Ownership over 5% (passive) May 10, 2019 —
SC 13G/A Amended ownership over 5% (passive) Jan 30, 2019 —
SC 13G/A Amended ownership over 5% (passive) Jan 10, 2019 —
SC 13G/A Amended ownership over 5% (passive) Jan 4, 2019 —
SC 13G Ownership over 5% (passive) Mar 29, 2018 —
4 Insider transaction Mar 26, 2018 Jun 29, 2017
4 Insider transaction Mar 26, 2018 Jun 21, 2016
SC 13G Ownership over 5% (passive) Mar 22, 2018 —
SC 13G Ownership over 5% (passive) Jan 16, 2018 —
SC 13G/A Amended ownership over 5% (passive) Jan 5, 2018 —
4 Insider transaction Dec 12, 2017 Dec 8, 2017
4 Insider transaction Sep 12, 2017 Sep 7, 2017
4 Insider transaction Sep 12, 2017 Sep 7, 2017
4 Insider transaction Sep 11, 2017 Sep 7, 2017
4 Insider transaction Sep 11, 2017 Sep 7, 2017
4 Insider transaction Sep 11, 2017 Sep 7, 2017
4 Insider transaction Sep 11, 2017 Sep 7, 2017
4 Insider transaction Sep 11, 2017 Sep 7, 2017
4 Insider transaction Jun 1, 2017 May 30, 2017
4 Insider transaction Apr 4, 2017 Apr 1, 2017
4 Insider transaction Apr 4, 2017 Apr 1, 2017
4 Insider transaction Apr 4, 2017 Apr 1, 2017
SC 13G/A Amended ownership over 5% (passive) Feb 13, 2017 —
SC 13G/A Amended ownership over 5% (passive) Feb 10, 2017 —
4 Insider transaction Jan 31, 2017 Jan 30, 2017
3 Initial insider ownership Jan 31, 2017 Jan 30, 2017
SC 13G/A Amended ownership over 5% (passive) Jan 30, 2017 —
SC 13G Ownership over 5% (passive) Jan 30, 2017 —
SC 13G/A Amended ownership over 5% (passive) Jan 10, 2017 —
SC 13D/A Amended ownership over 5% (active) Dec 30, 2016 —
4 Insider transaction Dec 29, 2016 Dec 27, 2016
4 Insider transaction Dec 13, 2016 Dec 9, 2016
4 Insider transaction Dec 13, 2016 Dec 9, 2016
SC 13G Ownership over 5% (passive) Nov 25, 2016 —
4 Insider transaction Nov 16, 2016 Nov 12, 2016
SC 13D/A Amended ownership over 5% (active) Nov 16, 2016 —
SC 13G Ownership over 5% (passive) Jun 6, 2016 —
SC 13G Ownership over 5% (passive) Jun 2, 2016 —
SC 13D/A Amended ownership over 5% (active) Apr 15, 2016 —
4 Insider transaction Apr 12, 2016 Mar 16, 2015
3/A Form 3/a submission Apr 12, 2016 Feb 18, 2014
SC 13G Ownership over 5% (passive) Mar 21, 2016 —
SC 13G/A Amended ownership over 5% (passive) Feb 16, 2016 —
SC 13G/A Amended ownership over 5% (passive) Feb 12, 2016 —
4 Insider transaction Jan 20, 2016 Jan 18, 2016
3 Initial insider ownership Jan 20, 2016 Jan 18, 2016
4 Insider transaction Nov 9, 2015 Nov 5, 2015
3 Initial insider ownership Nov 9, 2015 Nov 5, 2015
4 Insider transaction Nov 9, 2015 Nov 5, 2015
3 Initial insider ownership Nov 9, 2015 Nov 5, 2015
4 Insider transaction Oct 7, 2015 Oct 5, 2015
4 Insider transaction Oct 7, 2015 Oct 6, 2015
4 Insider transaction Oct 6, 2015 Oct 5, 2015
4 Insider transaction Sep 23, 2015 Sep 21, 2015
4 Insider transaction Sep 23, 2015 Sep 21, 2015
4 Insider transaction Sep 23, 2015 Sep 21, 2015
4 Insider transaction Sep 23, 2015 Sep 21, 2015
4 Insider transaction Sep 23, 2015 Sep 21, 2015
4 Insider transaction Sep 10, 2015 Sep 8, 2015
4 Insider transaction Aug 6, 2015 Aug 5, 2015
SC 13E3/A Filing Aug 4, 2015 —
SC 13E3 Filing Jun 2, 2015 —
SC 13G Ownership over 5% (passive) Apr 27, 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.

Company profile

Industry
Biological Products, (No Diagnostic Substances) (SIC 2836)
Listed as
ARMP (NYSE)
Fiscal year ends
December 31
Incorporated in
WA
Headquarters
Los Angeles, CA
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
921114
Former names
AmpliPhi Biosciences Corp (until May 8, 2019); TARGETED GENETICS CORP /WA/ (until Feb 11, 2011)

Other Biological Products, (No Diagnostic Substances) companies

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