secwatch.observer — SEC 8-K summary ====================================== Issuer: OMEROS CORP (OMER) CIK: 0001285819 Form: 8-K Filed at: 2024-12-19T23:59:59+00:00 Accession: 0001437749-24-037898 Event type: other_material Sentiment: positive Materiality: 0.90 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Omeros narsoplimab meets TA-TMA pivotal trial primary endpoint; HR 0.32 for survival -------------------------------------------------------------------------------- - Narsoplimab-treated TA-TMA patients had over 3-fold reduction in risk of death (HR 0.32, 95% CI 0.23-0.44, p<0.00001) vs >100 external control patients. - Omeros will resubmit the narsoplimab BLA to FDA as soon as possible for first approved TA-TMA therapy. - Expanded access program data: 46% of adults and 50% of children achieved TA-TMA resolution after failing C5 inhibitors. - European marketing authorisation application planned for Q2 2025; additional sensitivity analyses and manuscripts expected early 2025. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1285819/000143774924037898/0001437749-24-037898-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1285819/000143774924037898/omer20241210_8k.htm HTML page: https://secwatch.observer/filing/0001437749-24-037898 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer