EntityWire/Washington business entity search →/OMEROS CORPORATION
Employer with a benefit plan
OMEROS CORPORATION
OMEROS CORPORATION's Employer Identification Number (EIN) is 91-1663741.
At a glance
- EIN
- 91-1663741 · 911663741
- Legal name
- OMEROS CORPORATION
- Address on file
- 201 ELLIOTT AVENUE WEST, SUITE 500, SEATTLE, WA 981194265
- Records show
- SEC filer; employer with a benefit plan; state registration
- Latest record
- 2026-09-01
State registration
Florida Division of Corporations (Sunbiz) bulk data · records as of 2026-07-10
- Florida registration
- Active · Foreign profit corporation
- Source: Florida registry · as of 2026-07-10
- Florida document number
- F14000000668
- Source: Florida registry · as of 2026-07-10
- Registered in Florida
- 2014-02-13
- Source: Florida registry · as of 2026-07-10
- Registered agent
- REGISTERED AGENT SOLUTIONS, INC.
- Source: Florida registry · as of 2026-07-10
SEC records
SEC EDGAR company filings · records as of 2026-09-01
- SEC CIK
- 0001285819
- Source: SEC · as of 2026-09-01
- Industry (SIC)
- Pharmaceutical Preparations (2834)
- Source: SEC · as of 2026-09-01
- State of incorporation
- WA
- Source: SEC · as of 2026-09-01
- Ticker
- OMER
- Source: SEC · as of 2026-09-01
- Latest SEC filing
- 4 2026-09-01
- Source: SEC · as of 2026-09-01
Benefit plans
DOL Form 5500 filings (EFAST2) · records as of 2025-09-22
- Benefit plan 1, 2024 filing
- OMEROS CORPORATION RETIREMENT PLAN
- Source: DOL 5500 · as of 2025-09-22
- Participants (start of year)
- 323
- Source: DOL 5500 · as of 2025-09-22
- Plan features
- Profit-sharing; ERISA 404(c) plan; Participant-directed; 401(k) feature; 401(m) matching; Automatic enrollment
- Source: DOL 5500 · as of 2025-09-22
- Plan type
- Single-employer plan
- Source: DOL 5500 · as of 2025-09-22
- Business code (NAICS)
- 541700
- Source: DOL 5500 · as of 2025-09-22
What this record is
Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), Florida Division of Corporations (Sunbiz) bulk data and SEC EDGAR company filings), shown as filed. Nothing is scraped from the IRS, and a public-record match is not IRS TIN validation.
What it is not
Registry status, formation date, and registered agent come from the Washington Secretary of State, Corporations and Charities Division; see the Washington business entity search.
If something is wrong
A name, address, or classification here is what the source published. To correct the source, file with it; to have this page removed, see corrections and removal.
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