# OMEROS CORP — DEFA14A

OMEROS CORP of SEATTLE, WA filed a DEFA14A with the SEC on 2020-04-29. Industry: Pharmaceutical Preparations.

## Filing

- Filed: 2020-04-29
- Form: DEFA14A
- Accession: 0001558370-20-004658
- Registrant: OMEROS CORP
- CIK: 0001285819
- Industry (SIC): Pharmaceutical Preparations (2834)
- State of incorporation: WA
- Location: SEATTLE, WA

## Documents (3)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEFA14A | DEFA14A |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (18)

_Showing 12 of 18 filings._

| Filed | Form |
| --- | --- |
| [2026-04-30](https://search.stillhousedata.com/proxy/0001552781-26-000281) | DEF 14A |
| [2025-05-30](https://search.stillhousedata.com/proxy/0001140361-25-020948) | DEF 14A |
| [2024-04-29](https://search.stillhousedata.com/proxy/0001437749-24-013762) | DEF 14A |
| [2023-05-17](https://search.stillhousedata.com/proxy/0001558370-23-010128) | DEF 14A |
| [2022-05-02](https://search.stillhousedata.com/proxy/0001558370-22-006672) | DEF 14A |
| [2021-04-30](https://search.stillhousedata.com/proxy/0001558370-21-005407) | DEF 14A |
| 2020-04-29 | DEFA14A |
| [2020-04-29](https://search.stillhousedata.com/proxy/0001558370-20-004646) | DEF 14A |
| [2019-04-29](https://search.stillhousedata.com/proxy/0001564590-19-013704) | DEF 14A |
| [2018-04-30](https://search.stillhousedata.com/proxy/0001564590-18-009842) | DEF 14A |
| [2017-04-25](https://search.stillhousedata.com/proxy/0001564590-17-007139) | DEF 14A |
| [2016-04-22](https://search.stillhousedata.com/proxy/0001564590-16-016523) | DEF 14A |

## More

- [CIK 1285819 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1285819&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0001558370-20-004658.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.