Atossa Therapeutics, Inc. SEC filings ATOS

Atossa Therapeutics, Inc. has 641 filings in SEC EDGAR's recent list, going back to Mar 30, 2010. Its latest annual report, Form ARS, was filed on Mar 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 7, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 9, 2026 (material agreement, change to shareholder rights, other events). The company's fiscal year ends on December 31.

Atossa Therapeutics, Inc. SEC filings
Form Description Filed Period
8-K Current report
Material agreement, Change to shareholder rights, Other events
Oct 9, 2026 Oct 8, 2026
8-K Current report
Other events
Sep 29, 2026 Sep 29, 2026
8-K Current report
Regulation FD disclosure
Sep 18, 2026 Sep 18, 2026
8-K Current report
Results of operations
Aug 7, 2026 Aug 7, 2026
8-K Current report
Material agreement
Jun 11, 2026 Jun 10, 2026
8-K Current report May 8, 2026 May 8, 2026
8-K Current report
Shareholder vote results
May 8, 2026 May 7, 2026
8-K Current report
Other events
Apr 16, 2026 Apr 13, 2026
8-K Current report Mar 25, 2026 Mar 25, 2026
8-K Current report
Material agreement, Agreement ended
Feb 20, 2026 Feb 19, 2026
8-K Current report
Listing notice
Feb 17, 2026 Feb 17, 2026
8-K Current report
Regulation FD disclosure
Feb 11, 2026 Feb 11, 2026
8-K Current report
Change to shareholder rights, Bylaw or fiscal year change, Shareholder vote results
Jan 26, 2026 Jan 20, 2026
8-K Current report
Results of operations, Regulation FD disclosure
Jan 9, 2026 Jan 9, 2026
8-K Current report
Other events
Jan 6, 2026 Jan 6, 2026
8-K Current report
Other events
Dec 4, 2025 Dec 4, 2025
8-K Current report
Results of operations
Nov 12, 2025 Nov 12, 2025
8-K Current report
Officer or director change, Regulation FD disclosure
Oct 14, 2025 Oct 14, 2025
8-K Current report
Regulation FD disclosure
Sep 26, 2025 Sep 26, 2025
8-K Current report
Other events
Sep 8, 2025 Sep 8, 2025
8-K Current report
Listing notice
Aug 21, 2025 Aug 21, 2025
8-K Current report
Results of operations
Aug 12, 2025 Aug 12, 2025
8-K Current report
Results of operations
May 13, 2025 May 13, 2025
8-K Current report
Shareholder vote results
May 12, 2025 May 8, 2025
8-K Current report
Other events
Apr 7, 2025 Apr 7, 2025
8-K Current report
Results of operations
Mar 25, 2025 Mar 25, 2025
8-K Current report
Other events
Mar 12, 2025 Mar 11, 2025
8-K Current report
Listing notice
Feb 24, 2025 Feb 21, 2025
8-K Current report
Other events
Feb 4, 2025 Jan 30, 2025
8-K Current report
Other events
Dec 10, 2024 Dec 10, 2024
8-K Current report
Material agreement
Nov 19, 2024 Nov 19, 2024
8-K Current report
Results of operations
Nov 12, 2024 Nov 12, 2024
8-K Current report
Other events
Nov 4, 2024 Nov 4, 2024
8-K Current report
Results of operations
Aug 12, 2024 Aug 12, 2024
8-K Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
Jul 2, 2024 Jun 27, 2024
8-K Current report
Results of operations
May 13, 2024 May 13, 2024
8-K/A Amended current report
Results of operations
Apr 2, 2024 Apr 1, 2024
8-K Current report
Results of operations
Apr 1, 2024 Apr 1, 2024
8-K Current report
Listing notice
Mar 18, 2024 Mar 15, 2024
8-K Current report
Officer or director change, Regulation FD disclosure
Mar 12, 2024 Mar 9, 2024
8-K Current report
Results of operations
Nov 13, 2023 Nov 13, 2023
8-K Current report
Officer or director change
Nov 9, 2023 Nov 9, 2023
8-K Current report
Officer or director change
Oct 6, 2023 Oct 2, 2023
8-K Current report
Listing notice
Sep 28, 2023 Sep 26, 2023
8-K Current report
Other events
Aug 31, 2023 Aug 30, 2023
8-K Current report
Results of operations
Aug 14, 2023 Aug 14, 2023
8-K Current report
Listing notice
Jul 13, 2023 Jul 13, 2023
8-K Current report
Regulation FD disclosure
Jun 28, 2023 Jun 27, 2023
8-K Current report
Listing notice
Jun 23, 2023 Jun 21, 2023
8-K Current report
Officer or director change
Jun 1, 2023 May 26, 2023
8-K Current report
Auditor change
May 22, 2023 May 17, 2023
8-K Current report
Results of operations
May 15, 2023 May 15, 2023
8-K Current report
Shareholder vote results
May 4, 2023 May 4, 2023
8-K Current report
Bylaw or fiscal year change
Apr 26, 2023 Apr 26, 2023
8-K Current report
Listing notice
Apr 4, 2023 Apr 4, 2023
8-K Current report
Results of operations
Mar 22, 2023 Mar 22, 2023
8-K Current report
Other events
Mar 13, 2023 Mar 10, 2023
8-K Current report
Results of operations
Nov 7, 2022 Nov 7, 2022
8-K Current report
Listing notice
Oct 7, 2022 Oct 5, 2022
8-K Current report
Results of operations
Aug 8, 2022 Aug 8, 2022
8-K Current report
Other events
Jul 7, 2022 Jul 1, 2022
8-K Current report
Regulation FD disclosure
Jul 1, 2022 Jun 28, 2022
8-K Current report
Regulation FD disclosure
Jun 6, 2022 Jun 1, 2022
8-K Current report
Shareholder vote results
May 16, 2022 May 13, 2022
8-K Current report
Results of operations
May 9, 2022 May 9, 2022
8-K Current report
Results of operations, Officer or director change
Feb 28, 2022 Feb 24, 2022
8-K Current report
Results of operations
Nov 15, 2021 Nov 15, 2021
8-K Current report
Shareholder vote results
Oct 6, 2021 Oct 6, 2021
8-K Current report
Shareholder vote results
Sep 8, 2021 Sep 7, 2021
8-K Current report
Results of operations
Aug 13, 2021 Aug 13, 2021
8-K Current report
Officer or director change, Shareholder vote results
May 18, 2021 May 14, 2021
8-K Current report
Results of operations
May 14, 2021 May 14, 2021
8-K Current report
Results of operations
Mar 31, 2021 Mar 31, 2021
8-K Current report
Material agreement
Mar 23, 2021 Mar 22, 2021
8-K Current report
Agreement ended
Mar 22, 2021 Mar 22, 2021
8-K Current report
Material agreement
Jan 8, 2021 Jan 6, 2021
8-K Current report
Material agreement
Dec 21, 2020 Dec 17, 2020
8-K Current report
Material agreement
Dec 14, 2020 Dec 8, 2020
8-K Current report Dec 8, 2020 Dec 8, 2020
8-K Current report
Other events
Nov 30, 2020 Nov 26, 2020
8-K Current report
Results of operations
Nov 13, 2020 Nov 13, 2020
8-K Current report
Material agreement
Sep 25, 2020 Sep 25, 2020
8-K Current report
Results of operations
Aug 13, 2020 Aug 13, 2020
8-K Current report
Shareholder vote results
May 19, 2020 May 15, 2020
8-K Current report
Results of operations
May 13, 2020 May 13, 2020
8-K Current report
Officer or director change
Apr 13, 2020 Apr 9, 2020
8-K Current report
Results of operations
Mar 26, 2020 Mar 26, 2020
8-K Current report
Material agreement
Feb 10, 2020 Feb 7, 2020
8-K Current report
Bylaw or fiscal year change
Jan 7, 2020 Jan 6, 2020
8-K Current report
Results of operations
Nov 13, 2019 Nov 13, 2019
8-K Current report
Other events
Oct 15, 2019 Oct 14, 2019
8-K Current report
Results of operations
Aug 13, 2019 Aug 13, 2019
8-K Current report
Regulation FD disclosure
Jun 27, 2019 Jun 27, 2019
8-K Current report
Officer or director change, Shareholder vote results
May 17, 2019 May 16, 2019
8-K Current report
Results of operations
May 13, 2019 May 13, 2019
8-K Current report
Results of operations
Mar 28, 2019 Mar 28, 2019
8-K Current report
Officer or director change
Jan 15, 2019 Jan 13, 2019
8-K Current report
Results of operations, Restatement
Nov 13, 2018 Nov 12, 2018
8-K Current report
Regulation FD disclosure, Other events
Sep 13, 2018 Sep 13, 2018
8-K Current report
Results of operations
Aug 13, 2018 Aug 13, 2018
8-K Current report
Officer or director change
Jul 3, 2018 Jun 27, 2018
8-K Current report
Change to shareholder rights, Bylaw or fiscal year change, Other events
May 31, 2018 May 30, 2018
8-K Current report
Results of operations
May 17, 2018 May 14, 2018
8-K Current report
Change to shareholder rights, Bylaw or fiscal year change, Shareholder vote results
Apr 23, 2018 Apr 19, 2018
8-K Current report
Shareholder vote results
Apr 17, 2018 Apr 12, 2018
8-K Current report
Results of operations
Mar 8, 2018 Mar 8, 2018
8-K Current report
Regulation FD disclosure, Other events
Feb 21, 2018 Feb 21, 2018
8-K Current report
Regulation FD disclosure, Other events
Feb 1, 2018 Feb 1, 2018
8-K Current report
Material agreement, Unregistered share sale
Dec 22, 2017 Dec 20, 2017
8-K Current report
Results of operations
Nov 14, 2017 Nov 14, 2017
8-K Current report
Material agreement, Other events
Oct 30, 2017 Oct 26, 2017
8-K Current report
Regulation FD disclosure, Other events
Oct 25, 2017 Oct 25, 2017
8-K Current report
Regulation FD disclosure, Other events
Sep 14, 2017 Sep 14, 2017
8-K Current report
Results of operations
Aug 14, 2017 Aug 14, 2017
8-K Current report
Change to shareholder rights
Jun 30, 2017 Jun 29, 2017
8-K Current report
Listing notice
Jun 2, 2017 May 31, 2017
8-K Current report
Results of operations, Listing notice, Shareholder vote results
May 11, 2017 May 10, 2017
8-K Current report
Material agreement
Apr 4, 2017 Mar 28, 2017
8-K Current report
Other events
Dec 12, 2016 Dec 9, 2016
8-K Current report
Results of operations
Nov 14, 2016 Nov 14, 2016
8-K Current report
Material agreement, Other events
Sep 2, 2016 Aug 30, 2016
8-K Current report
Change to shareholder rights, Bylaw or fiscal year change
Aug 26, 2016 Aug 26, 2016
8-K Current report
Regulation FD disclosure, Other events
Aug 23, 2016 Aug 23, 2016
8-K Current report
Results of operations
Aug 12, 2016 Aug 12, 2016
8-K Current report
Material agreement, Agreement ended
Aug 5, 2016 Aug 4, 2016
8-K Current report
Other events
Jul 27, 2016 Jul 27, 2016
8-K Current report
Shareholder vote results
Jun 7, 2016 Jun 3, 2016
8-K Current report
Material agreement, Agreement ended, Unregistered share sale, Regulation FD disclosure
May 27, 2016 May 25, 2016
8-K Current report
Material agreement, Officer or director change, Shareholder vote results
May 20, 2016 May 18, 2016
8-K Current report
Change to shareholder rights
May 16, 2016 May 16, 2016
8-K Current report
Results of operations
May 5, 2016 May 5, 2016
8-K Current report
Results of operations
Mar 30, 2016 Mar 30, 2016
8-K Current report
Material agreement, Officer or director change
Feb 8, 2016 Feb 3, 2016
8-K Current report
Regulation FD disclosure, Other events
Jan 29, 2016 Jan 28, 2016
8-K Current report
Material agreement, Acquisition or sale of assets
Dec 16, 2015 Dec 16, 2015
8-K Current report
Results of operations
Nov 12, 2015 Nov 12, 2015
8-K Current report
Listing notice
Oct 2, 2015 Sep 28, 2015
8-K Current report
Officer or director change
Sep 4, 2015 Sep 1, 2015
8-K Current report
Results of operations
Aug 6, 2015 Aug 6, 2015
8-K Current report
Material agreement
Jun 10, 2015 Jun 5, 2015
8-K Current report
Officer or director change
Jun 4, 2015 Jun 3, 2015
8-K Current report
Material agreement, Agreement ended, Unregistered share sale, Regulation FD disclosure
May 28, 2015 May 26, 2015
8-K Current report
Material agreement
May 18, 2015 May 14, 2015
8-K Current report
Shareholder vote results
May 14, 2015 May 11, 2015
8-K Current report
Results of operations
May 13, 2015 May 13, 2015
8-K/A Amended current report
Material agreement, Officer or director change
Apr 17, 2015 Apr 2, 2015
8-K Current report
Officer or director change
Apr 7, 2015 Apr 2, 2015
8-K Current report
Results of operations
Mar 30, 2015 Mar 30, 2015
8-K Current report
Regulation FD disclosure
Jan 15, 2015 Jan 13, 2015
8-K Current report
Results of operations
Nov 12, 2014 Nov 12, 2014
8-K Current report
Other events
Sep 23, 2014 Sep 23, 2014
8-K Current report
Regulation FD disclosure
Aug 20, 2014 Aug 19, 2014
8-K Current report
Results of operations
Aug 12, 2014 Aug 12, 2014
8-K Current report
Officer or director change
Aug 8, 2014 Aug 4, 2014
8-K Current report
Auditor change
Jun 26, 2014 Jun 24, 2014
8-K Current report
Material agreement, Change to shareholder rights, Bylaw or fiscal year change, Other events
May 22, 2014 May 19, 2014
8-K Current report
Results of operations
May 14, 2014 May 14, 2014
8-K Current report
Shareholder vote results
May 8, 2014 May 5, 2014
8-K Current report
Results of operations
Mar 27, 2014 Mar 27, 2014
8-K Current report
Officer or director change
Mar 5, 2014 Feb 27, 2014
8-K Current report
Officer or director change
Feb 5, 2014 Jan 31, 2014
8-K Current report
Other events
Jan 24, 2014 Jan 20, 2014
8-K Current report
Officer or director change
Dec 19, 2013 Dec 18, 2013
8-K Current report
Material agreement, Regulation FD disclosure, Other events
Dec 16, 2013 Dec 12, 2013
8-K Current report
Results of operations
Nov 12, 2013 Nov 12, 2013
8-K Current report
Regulation FD disclosure
Nov 1, 2013 Nov 1, 2013
8-K Current report
Officer or director change
Oct 15, 2013 Oct 10, 2013
8-K Current report
Other events
Oct 4, 2013 Oct 4, 2013
8-K/A Amended current report
Shareholder vote results
Aug 15, 2013 May 6, 2013
8-K Current report
Results of operations
Aug 14, 2013 Aug 14, 2013
8-K Current report
Shareholder vote results
May 9, 2013 May 6, 2013
8-K Current report
Other events
Mar 13, 2013 Mar 13, 2013
8-K Current report
Unregistered share sale
Feb 28, 2013 Feb 25, 2013
8-K Current report
Other events
Feb 25, 2013 Feb 21, 2013
8-K Current report
Material agreement, Agreement ended, Officer or director change
Jan 4, 2013 Jan 4, 2013
8-K Current report
Results of operations, Bylaw or fiscal year change
Dec 20, 2012 Dec 17, 2012

Showing 176 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.

Company profile

Industry
Pharmaceutical Preparations (SIC 2834)
Listed as
ATOS (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Seattle, WA
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
1488039
Former names
ATOSSA GENETICS INC (until Nov 13, 2019)

Other Pharmaceutical Preparations companies

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