Omeros Corp SEC filings OMER
Omeros Corp has 810 filings in SEC EDGAR's recent list, going back to Mar 31, 2004. Its latest annual report, Form ARS, was filed on Apr 30, 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 Oct 30, 2026 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Officer or director change
|
Oct 30, 2026 | Oct 28, 2026 |
| 8-K |
Current report
Officer or director change
|
Aug 13, 2026 | Aug 12, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2026 | Aug 12, 2026 |
| 8-K |
Current report
Other events
|
Jul 20, 2026 | Jul 20, 2026 |
| 8-K |
Current report
Other events
|
Jul 6, 2026 | Jul 2, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 25, 2026 | Jun 18, 2026 |
| 8-K |
Current report
Other events
|
Jun 18, 2026 | Jun 17, 2026 |
| 8-K |
Current report
Results of operations
|
May 13, 2026 | May 13, 2026 |
| 8-K |
Current report
Results of operations
|
Mar 31, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
Jan 7, 2026 | Jan 7, 2026 |
| 8-K |
Current report
Other events
|
Dec 29, 2025 | Dec 24, 2025 |
| 8-K |
Current report
Agreement ended, Acquisition or sale of assets, Other events
|
Dec 1, 2025 | Nov 25, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2025 | Nov 13, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Oct 15, 2025 | Oct 10, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2025 | Aug 14, 2025 |
| 8-K |
Current report
Other events
|
Jul 25, 2025 | Jul 24, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jul 2, 2025 | Jun 27, 2025 |
| 8-K/A | Amended current report | May 16, 2025 | May 12, 2025 |
| 8-K |
Current report
Material agreement, Results of operations, New debt, Unregistered share sale, Other events
|
May 15, 2025 | May 12, 2025 |
| 8-K |
Current report
Other events
|
May 6, 2025 | May 6, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 31, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Other events
|
Feb 20, 2025 | Feb 20, 2025 |
| 8-K |
Current report
Other events
|
Jan 16, 2025 | Jan 16, 2025 |
| 8-K |
Current report
Other events
|
Dec 19, 2024 | Dec 19, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2024 | Nov 13, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2024 | Aug 7, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 12, 2024 | Jun 6, 2024 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure, Other events
|
Jun 3, 2024 | Jun 3, 2024 |
| 8-K |
Current report
Results of operations
|
May 15, 2024 | May 15, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 1, 2024 | Apr 1, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Feb 7, 2024 | Feb 1, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2023 | Nov 9, 2023 |
| 8-K |
Current report
Other events
|
Oct 16, 2023 | Oct 16, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2023 | Aug 9, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 28, 2023 | Jun 23, 2023 |
| 8-K |
Current report
Officer or director change
|
May 16, 2023 | May 12, 2023 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 9, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 13, 2023 | Mar 13, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 6, 2023 | Feb 6, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2022 | Nov 9, 2022 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 6, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2022 | Aug 9, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 24, 2022 | Jun 17, 2022 |
| 8-K |
Current report
Results of operations
|
May 10, 2022 | May 10, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 1, 2022 | Mar 1, 2022 |
| 8-K |
Current report
Acquisition or sale of assets, Other events
|
Dec 30, 2021 | Dec 23, 2021 |
| 8-K |
Current report
Material agreement, Other events
|
Dec 2, 2021 | Dec 1, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2021 | Nov 9, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
Oct 18, 2021 | Oct 14, 2021 |
| 8-K |
Current report
Other events
|
Oct 1, 2021 | Oct 1, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2021 | Aug 9, 2021 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 16, 2021 | Jun 11, 2021 |
| 8-K |
Current report
Other events
|
May 20, 2021 | May 20, 2021 |
| 8-K |
Current report
Results of operations
|
May 10, 2021 | May 10, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 1, 2021 | Mar 1, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2020 | Nov 9, 2020 |
| 8-K |
Current report
Material agreement, Other events
|
Aug 14, 2020 | Aug 11, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2020 | Aug 10, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jun 11, 2020 | Jun 5, 2020 |
| 8-K |
Current report
Results of operations
|
May 11, 2020 | May 11, 2020 |
| 8-K |
Current report
Results of operations
|
Mar 2, 2020 | Mar 2, 2020 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 11, 2020 | Feb 5, 2020 |
| 8-K |
Current report
Material agreement, Other events
|
Dec 6, 2019 | Dec 5, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2019 | Nov 12, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2019 | Aug 8, 2019 |
| 8-K |
Current report
Material agreement, New debt
|
Aug 8, 2019 | Aug 2, 2019 |
| 8-K |
Current report
Material agreement
|
Jul 31, 2019 | Jul 28, 2019 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 11, 2019 | Jun 7, 2019 |
| 8-K |
Current report
Results of operations
|
May 9, 2019 | May 9, 2019 |
| 8-K |
Current report
Results of operations
|
Mar 1, 2019 | Mar 1, 2019 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 12, 2019 | Feb 9, 2019 |
| 8-K |
Current report
Results of operations
|
Jan 14, 2019 | Jan 14, 2019 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Unregistered share sale
|
Nov 15, 2018 | Nov 8, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2018 | Nov 8, 2018 |
| 8-K |
Current report
Other events
|
Oct 5, 2018 | Oct 4, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2018 | Aug 9, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Jun 18, 2018 | Jun 15, 2018 |
| 8-K |
Current report
Material agreement, Other events
|
May 24, 2018 | May 22, 2018 |
| 8-K |
Current report
Other events
|
May 21, 2018 | May 18, 2018 |
| 8-K |
Current report
Results of operations
|
May 10, 2018 | May 10, 2018 |
| 8-K |
Current report
Material agreement
|
Apr 13, 2018 | Apr 10, 2018 |
| 8-K |
Current report
Other events
|
Mar 27, 2018 | Mar 23, 2018 |
| 8-K |
Current report
Results of operations
|
Mar 1, 2018 | Mar 1, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2017 | Nov 9, 2017 |
| 8-K |
Current report
Material agreement
|
Oct 17, 2017 | Oct 11, 2017 |
| 8-K |
Current report
Material agreement, Other events
|
Oct 5, 2017 | Oct 4, 2017 |
| 8-K |
Current report
Other events
|
Aug 23, 2017 | Aug 23, 2017 |
| 8-K |
Current report
Material agreement, Other events
|
Aug 17, 2017 | Aug 14, 2017 |
| 8-K |
Current report
Other events
|
Aug 14, 2017 | Aug 14, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2017 | Aug 8, 2017 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Jun 22, 2017 | Jun 16, 2017 |
| 8-K |
Current report
Results of operations
|
May 10, 2017 | May 10, 2017 |
| 8-K |
Current report
Results of operations
|
Mar 16, 2017 | Mar 16, 2017 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2016 | Nov 9, 2016 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Oct 27, 2016 | Oct 26, 2016 |
| 8-K |
Current report
Material agreement, Other events
|
Aug 15, 2016 | Aug 11, 2016 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2016 | Aug 9, 2016 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2016 | Jun 9, 2016 |
| 8-K |
Current report
Material agreement, New debt
|
May 19, 2016 | May 16, 2016 |
| 8-K |
Current report
Results of operations
|
May 10, 2016 | May 10, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 22, 2016 | Apr 22, 2016 |
| 8-K |
Current report
Results of operations
|
Mar 7, 2016 | Mar 7, 2016 |
| 8-K |
Current report
Other events
|
Jan 19, 2016 | Jan 15, 2016 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Other events
|
Jan 6, 2016 | Dec 30, 2015 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2015 | Nov 9, 2015 |
| 8-K |
Current report
Other events
|
Sep 3, 2015 | Sep 2, 2015 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2015 | Aug 10, 2015 |
| 8-K |
Current report
Officer or director change
|
Jun 17, 2015 | Jun 14, 2015 |
| 8-K |
Current report
Material agreement, Agreement ended
|
Jun 16, 2015 | Jun 9, 2015 |
| 8-K |
Current report
Shareholder vote results, Other events
|
May 28, 2015 | May 22, 2015 |
| 8-K |
Current report
Results of operations
|
May 11, 2015 | May 11, 2015 |
| 8-K |
Current report
Results of operations
|
Mar 16, 2015 | Mar 16, 2015 |
| 8-K |
Current report
Material agreement, Other events
|
Feb 2, 2015 | Jan 28, 2015 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2014 | Nov 10, 2014 |
| 8-K |
Current report
Material agreement
|
Oct 7, 2014 | Oct 3, 2014 |
| 8-K |
Current report
Change to shareholder rights
|
Sep 29, 2014 | Sep 28, 2014 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2014 | Aug 11, 2014 |
| 8-K |
Current report
Other events
|
Jun 2, 2014 | Jun 2, 2014 |
| 8-K |
Current report
Shareholder vote results
|
May 29, 2014 | May 23, 2014 |
| 8-K |
Current report
Material agreement
|
May 22, 2014 | May 22, 2014 |
| 8-K |
Current report
Results of operations
|
May 12, 2014 | May 12, 2014 |
| 8-K |
Current report
Change to shareholder rights
|
Apr 3, 2014 | Mar 28, 2014 |
| 8-K |
Current report
Material agreement, Other events
|
Mar 18, 2014 | Mar 14, 2014 |
| 8-K |
Current report
Results of operations
|
Mar 13, 2014 | Mar 13, 2014 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Mar 7, 2014 | Mar 5, 2014 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2013 | Nov 7, 2013 |
| 8-K |
Current report
Other events
|
Oct 24, 2013 | Oct 24, 2013 |
| 8-K |
Current report
Officer or director change
|
Oct 16, 2013 | Oct 15, 2013 |
| 8-K |
Current report
Material agreement, Other events
|
Oct 3, 2013 | Oct 2, 2013 |
| 8-K |
Current report
Other events
|
Sep 10, 2013 | Sep 10, 2013 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2013 | Aug 9, 2013 |
| 8-K |
Current report
Other events
|
Aug 1, 2013 | Aug 1, 2013 |
| 8-K |
Current report
Shareholder vote results
|
May 29, 2013 | May 24, 2013 |
| 8-K |
Current report
Material agreement, Other events
|
May 10, 2013 | May 9, 2013 |
| 8-K |
Current report
Results of operations
|
May 10, 2013 | May 10, 2013 |
| 8-K |
Current report
Change to shareholder rights
|
Mar 29, 2013 | Mar 28, 2013 |
| 8-K |
Current report
Results of operations
|
Mar 18, 2013 | Mar 18, 2013 |
| 8-K |
Current report
Other events
|
Jan 23, 2013 | Jan 22, 2013 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 2, 2013 | Dec 28, 2012 |
| 8-K |
Current report
Other events
|
Dec 27, 2012 | Dec 27, 2012 |
| 8-K |
Current report
Material agreement
|
Dec 14, 2012 | Dec 14, 2012 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2012 | Nov 9, 2012 |
| 8-K |
Current report
Material agreement
|
Nov 1, 2012 | Oct 26, 2012 |
| 8-K |
Current report
Material agreement, Agreement ended
|
Sep 28, 2012 | Sep 27, 2012 |
| 8-K |
Current report
Officer or director change
|
Sep 28, 2012 | Sep 26, 2012 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2012 | Aug 7, 2012 |
| 8-K |
Current report
Material agreement, Other events
|
Jun 28, 2012 | Jun 27, 2012 |
| 8-K |
Current report
Officer or director change
|
Jun 18, 2012 | Jun 14, 2012 |
| 8-K |
Current report
Shareholder vote results
|
Jun 4, 2012 | Jun 1, 2012 |
| 8-K |
Current report
Results of operations
|
May 10, 2012 | May 10, 2012 |
| 8-K |
Current report
Change to shareholder rights
|
Mar 29, 2012 | Mar 28, 2012 |
| 8-K |
Current report
Results of operations
|
Mar 16, 2012 | Mar 15, 2012 |
| 8-K |
Current report
Other events
|
Mar 15, 2012 | Mar 13, 2012 |
| 8-K |
Current report
Other events
|
Mar 13, 2012 | Mar 13, 2012 |
| 8-K |
Current report
Material agreement
|
Feb 1, 2012 | Jan 27, 2012 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2011 | Nov 8, 2011 |
| 8-K |
Current report
Other events
|
Oct 25, 2011 | Oct 21, 2011 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2011 | Aug 9, 2011 |
| 8-K |
Current report
Officer or director change
|
Jul 7, 2011 | Jun 30, 2011 |
| 8-K |
Current report
Shareholder vote results
|
Jun 2, 2011 | May 27, 2011 |
| 8-K |
Current report
Material agreement, Agreement ended
|
May 10, 2011 | May 10, 2011 |
| 8-K |
Current report
Results of operations
|
May 10, 2011 | May 10, 2011 |
| 8-K |
Current report
Other events
|
Mar 31, 2011 | Mar 31, 2011 |
| 8-K |
Current report
Material agreement, New debt
|
Mar 31, 2011 | Mar 25, 2011 |
| 8-K |
Current report
Results of operations
|
Mar 15, 2011 | Mar 15, 2011 |
| 8-K |
Current report
Material agreement
|
Feb 22, 2011 | Feb 15, 2011 |
| 8-K |
Current report
Acquisition or sale of assets, Unregistered share sale
|
Nov 23, 2010 | Nov 22, 2010 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2010 | Nov 4, 2010 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 25, 2010 | Oct 21, 2010 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2010 | Aug 10, 2010 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Jul 29, 2010 | Jul 28, 2010 |
| 8-K |
Current report
Shareholder vote results
|
Jun 2, 2010 | May 28, 2010 |
| 8-K |
Current report
Results of operations
|
May 12, 2010 | May 12, 2010 |
| 8-K |
Current report
Material agreement
|
Apr 29, 2010 | Apr 23, 2010 |
| 8-K |
Current report
Officer or director change
|
Apr 12, 2010 | Apr 7, 2010 |
| 8-K |
Current report
Officer or director change
|
Apr 2, 2010 | Mar 29, 2010 |
| 8-K |
Current report
Results of operations
|
Mar 31, 2010 | Mar 31, 2010 |
| 8-K |
Current report
Material agreement
|
Mar 30, 2010 | Mar 30, 2010 |
| 8-K |
Current report
Material agreement
|
Mar 9, 2010 | Mar 3, 2010 |
| 8-K |
Current report
Officer or director change
|
Dec 9, 2009 | Dec 8, 2009 |
| 8-K |
Current report
Results of operations
|
Nov 19, 2009 | Nov 19, 2009 |
| 8-K |
Current report
Material agreement
|
Nov 12, 2009 | Nov 10, 2009 |
Showing 182 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.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- OMER (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- WA
- Headquarters
- Seattle, WA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1285819
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.