---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-23-003572"
form_type: "8-K"
ticker: "OMER"
cik: "0001285819"
company_name: "OMEROS CORP"
filed_at: "2023-03-13T23:59:59+00:00"
generated_at: "2026-06-18T04:16:09.495127+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Omeros Q4 net income $128.7M on $200M milestone; OMIDRIA royalties record $35.8M sales

## Summary
- Q4 net loss from continuing ops $46.0M ($0.73/share) vs $54.8M loss in Q3; cash burn $26M.
- Received $200M milestone from Rayner in Feb 2023; OMIDRIA Q4 royalties $17.9M on record $35.8M sales.
- Cash and short-term investments $194.9M; accounts receivable $213M now collected; no SVB exposure.
- Preparing narsoplimab BLA resubmission for TA-TMA; FDA meeting expected Q2 2023; ARTEMIS-IGAN data Q3 2023.
- Initiated OMS906 trials in PNH (treatment-naïve and ravulizumab inadequate response) and C3G; OMS1029 quarterly dosing possible.

## SEC filing metadata
- accession: 0001558370-23-003572
- form_type: 8-K
- ticker: OMER
- cik: 0001285819
- company_name: OMEROS CORP
- filed_at: 2023-03-13T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- 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/1285819/000155837023003572/0001558370-23-003572-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1285819/000155837023003572/omer-20230313x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-23-003572
- JSON: https://secwatch.observer/filing/0001558370-23-003572.json
- Plain text: https://secwatch.observer/filing/0001558370-23-003572.txt

## Key facts
- Earnings Releases
  OMEROS CORP reported the year ended December 31, 2022 results: net income $47.4 million, EPS $0.76 per share.
  - Period: the year ended December 31, 2022
  - Net income: $47.4 million
  - EPS: $0.76 per share
  - Result: reported results
  source text: For the year ended December 31, 2022, net income was $47.4 million, or $0.76 per share.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1285819/000155837023003572/0001558370-23-003572-index.htm
- Earnings Releases
  OMEROS CORP reported the fourth quarter ended December 31, 2022 results: net income $128.7 million, EPS $2.05 per share.
  - Period: the fourth quarter ended December 31, 2022
  - Net income: $128.7 million
  - EPS: $2.05 per share
  - Result: reported results
  source text: Net income in the fourth quarter of 2022 was $128.7 million, or $2.05 per share, compared to a net loss in the third quarter of 2022 of $17.5 million, or $0.28 per share;
  evidence_url: https://www.sec.gov/Archives/edgar/data/1285819/000155837023003572/0001558370-23-003572-index.htm

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