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.
| Form | Description | Filed | Period |
|---|---|---|---|
| ARS | Annual report to shareholders | Mar 30, 2026 | Dec 31, 2025 |
| 10-K | Annual report | Mar 25, 2026 | Dec 31, 2025 |
| ARS | Annual report to shareholders | Mar 26, 2025 | Dec 31, 2024 |
| 10-K | Annual report | Mar 25, 2025 | Dec 31, 2024 |
| ARS | Annual report to shareholders | May 10, 2024 | Dec 31, 2023 |
| 10-K | Annual report | Apr 1, 2024 | Dec 31, 2023 |
| ARS | Annual report to shareholders | Mar 30, 2023 | Dec 31, 2022 |
| 10-K | Annual report | Mar 22, 2023 | Dec 31, 2022 |
| 10-K | Annual report | Feb 28, 2022 | Dec 31, 2021 |
| 10-K | Annual report | Mar 31, 2021 | Dec 31, 2020 |
| 10-K | Annual report | Mar 26, 2020 | Dec 31, 2019 |
| 10-K | Annual report | Mar 28, 2019 | Dec 31, 2018 |
| 10-K | Annual report | Mar 8, 2018 | Dec 31, 2017 |
| 10-K/A | Amended annual report | Mar 21, 2017 | Dec 31, 2016 |
| 10-K | Annual report | Mar 16, 2017 | Dec 31, 2016 |
| 10-K | Annual report | Mar 30, 2016 | Dec 31, 2015 |
| 10-K | Annual report | Mar 30, 2015 | Dec 31, 2014 |
| 10-K | Annual report | Mar 27, 2014 | Dec 31, 2013 |
| 10-K | Annual report | Mar 28, 2013 | Dec 31, 2012 |
Showing 19 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.