---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-016718"
form_type: "8-K"
ticker: "OMER"
cik: "0001285819"
company_name: "OMEROS CORP"
filed_at: "2026-05-13T20:06:59+00:00"
generated_at: "2026-05-13T20:10:06.763308+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Omeros Q1 net income $56.1M on $73.1M non-cash gain; YARTEMLEA net sales $9.9M

## Summary
- GAAP net income $56.1M ($0.78/share) vs. net loss $33.5M ($0.58) in Q1 2025; includes $73.1M non-cash gain on embedded derivatives.
- Non-GAAP adjusted net loss $17.1M ($0.24/share); total operating expenses fell 22% to $27.3M.
- YARTEMLEA launch in Jan 2026: gross sales $11.1M, net sales $9.9M; CMS assigned J-code (eff. July 1) and recommended NTAP (eff. Oct 1).
- Cash and short-term investments $135.3M; repaid $17.1M 2026 Notes; only $70.8M 2029 Notes remain (mature June 2029).
- Repurchased 0.4M shares at avg $11.70 for $4.2M; MAA for YARTEMLEA under EMA review with decision expected mid-2026.

## SEC filing metadata
- accession: 0001437749-26-016718
- form_type: 8-K
- ticker: OMER
- cik: 0001285819
- company_name: OMEROS CORP
- filed_at: 2026-05-13T20:06:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1285819/000143774926016718/0001437749-26-016718-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1285819/000143774926016718/omer20260403_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-016718
- JSON: https://secwatch.observer/filing/0001437749-26-016718.json
- Plain text: https://secwatch.observer/filing/0001437749-26-016718.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.