{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-25-017426","form_type":"8-K/A","ticker":"OMER","cik":"0001285819","company_name":"OMEROS CORP","filed_at":"2025-05-16T23:59:59+00:00","discovered_at":"2026-05-14T18:02:47.838329+00:00","generated_at":"2026-05-21T02:53:27.345887+00:00","sec_items":["9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.05,"calibrated_materiality_score":0.05,"confidence":"medium","headline":"Omeros files 8-K/A to correct omitted table in Second Supplemental Indenture","bullets":["Amendment filed solely to replace Exhibit 4.2 with corrected version including missing table.","Second Supplemental Indenture dated May 14, 2025 with Computershare Trust Company as trustee.","No other changes made to the original May 15, 2025 Current Report or to Exhibit 4.2.","Error stemmed from processing issue with embedded table; financial terms unaffected."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-25-017426","json":"https://secwatch.observer/filing/0001437749-25-017426.json","markdown":"https://secwatch.observer/filing/0001437749-25-017426.md","text":"https://secwatch.observer/filing/0001437749-25-017426.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1285819/000143774925017426/0001437749-25-017426-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1285819/000143774925017426/omer20250515_8ka.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-21T02:53:27.345887+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}