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 |
|---|---|---|---|
| S-8 | Employee stock plan registration | Aug 13, 2026 | — |
| 424B5 | Prospectus supplement | Nov 14, 2025 | — |
| S-3ASR | Automatic shelf registration | Nov 14, 2025 | — |
| 424B5 | Prospectus supplement | Jul 25, 2025 | — |
| S-8 | Employee stock plan registration | Aug 9, 2023 | — |
| 424B5 | Prospectus supplement | Nov 18, 2022 | — |
| 424B3 | Prospectus | Nov 18, 2022 | — |
| S-3 | Shelf registration | Nov 9, 2022 | — |
| POS AM | Filing | Mar 1, 2022 | — |
| S-8 | Employee stock plan registration | Jun 16, 2021 | — |
| 424B5 | Prospectus supplement | Mar 1, 2021 | — |
| 424B5 | Prospectus supplement | Aug 13, 2020 | — |
| 424B5 | Prospectus supplement | Aug 13, 2020 | — |
| FWP | Free writing prospectus | Aug 12, 2020 | — |
| 424B5 | Prospectus supplement | Aug 10, 2020 | — |
| 424B5 | Prospectus supplement | Aug 10, 2020 | — |
| FWP | Free writing prospectus | Aug 10, 2020 | — |
| 424B5 | Prospectus supplement | Dec 6, 2019 | — |
| 424B5 | Prospectus supplement | Dec 4, 2019 | — |
| S-3ASR | Automatic shelf registration | Dec 4, 2019 | — |
| S-8 | Employee stock plan registration | Jun 11, 2019 | — |
| POS AM | Filing | Mar 1, 2019 | — |
| 424B5 | Prospectus supplement | Aug 16, 2017 | — |
| 424B5 | Prospectus supplement | Aug 14, 2017 | — |
| S-3ASR | Automatic shelf registration | Aug 14, 2017 | — |
| S-8 | Employee stock plan registration | Jun 21, 2017 | — |
| S-8 | Employee stock plan registration | Mar 16, 2017 | — |
| 424B5 | Prospectus supplement | Aug 15, 2016 | — |
| 424B5 | Prospectus supplement | Aug 10, 2016 | — |
| 424B5 | Prospectus supplement | Aug 10, 2016 | — |
| 424B5 | Prospectus supplement | Apr 22, 2016 | — |
| 424B3 | Prospectus | Apr 22, 2016 | — |
| S-8 | Employee stock plan registration | Mar 15, 2016 | — |
| POS AM | Filing | Mar 15, 2016 | — |
| 424B5 | Prospectus supplement | Mar 15, 2016 | — |
| 424B5 | Prospectus supplement | Jan 6, 2016 | — |
| S-8 | Employee stock plan registration | Mar 16, 2015 | — |
| 424B5 | Prospectus supplement | Jan 30, 2015 | — |
| 424B5 | Prospectus supplement | Jan 28, 2015 | — |
| S-3ASR | Automatic shelf registration | Jan 16, 2015 | — |
| S-8 | Employee stock plan registration | Mar 19, 2014 | — |
| 424B5 | Prospectus supplement | Mar 17, 2014 | — |
| 424B5 | Prospectus supplement | Mar 13, 2014 | — |
| 424B5 | Prospectus supplement | Mar 13, 2014 | — |
| S-3 | Shelf registration | Oct 17, 2013 | — |
| FWP | Free writing prospectus | May 10, 2013 | — |
| 424B5 | Prospectus supplement | May 10, 2013 | — |
| S-8 | Employee stock plan registration | Mar 18, 2013 | — |
| 424B5 | Prospectus supplement | Dec 14, 2012 | — |
| 424B5 | Prospectus supplement | Jun 28, 2012 | — |
| 424B5 | Prospectus supplement | Jun 26, 2012 | — |
| S-8 | Employee stock plan registration | Mar 19, 2012 | — |
| 424B5 | Prospectus supplement | May 10, 2011 | — |
| S-8 | Employee stock plan registration | Mar 17, 2011 | — |
| 424B3 | Prospectus | Feb 22, 2011 | — |
| 424B3 | Prospectus | Nov 23, 2010 | — |
| 424B3 | Prospectus | Nov 4, 2010 | — |
| 424B3 | Prospectus | Oct 25, 2010 | — |
| S-3 | Shelf registration | Oct 8, 2010 | — |
| 424B3 | Prospectus | Aug 30, 2010 | — |
| S-1 | Registration statement | Aug 10, 2010 | — |
| S-8 | Employee stock plan registration | Apr 1, 2010 | — |
| S-8 | Employee stock plan registration | Oct 29, 2009 | — |
| 424B4 | Prospectus | Oct 8, 2009 | — |
| S-1/A | Amended registration statement | Oct 2, 2009 | — |
| FWP | Free writing prospectus | Sep 23, 2009 | — |
| S-1/A | Amended registration statement | Sep 16, 2009 | — |
| S-1/A | Amended registration statement | Jun 23, 2009 | — |
| S-1/A | Amended registration statement | May 15, 2009 | — |
| S-1/A | Amended registration statement | May 8, 2008 | — |
| S-1/A | Amended registration statement | Apr 1, 2008 | — |
| S-1 | Registration statement | Jan 9, 2008 | — |
Showing 72 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
- 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
Other Pharmaceutical Preparations companies
- ELI LILLY & Co LLY
- Johnson & Johnson JNJ
- AbbVie Inc. ABBV
- Merck & Co., Inc. MRK
- Novartis AG NVS
- Astrazeneca PLC AZN
- Abbott Laboratories ABT
- Novo Nordisk A S NVO
Source: SEC EDGAR filings. This is company-reported data, not investment advice.