{"schema_version":"secwatch.filing_event.v1","accession":"0001664710-25-000059","form_type":"8-K","ticker":"KROS","cik":"0001664710","company_name":"Keros Therapeutics, Inc.","filed_at":"2025-07-15T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.591266+00:00","generated_at":"2026-05-18T06:29:42.154130+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Keros Therapeutics CMO Yung Chyung resigns effective Aug 1, 2025","bullets":["Chief Medical Officer Yung H. Chyung, M.D. resigned effective August 1, 2025.","Resignation is voluntary and not due to any disagreement with the company.","Company has initiated a search for a new Chief Medical Officer.","Dr. Chyung served as CMO and member of the executive team."],"urls":{"canonical":"https://secwatch.observer/filing/0001664710-25-000059","json":"https://secwatch.observer/filing/0001664710-25-000059.json","markdown":"https://secwatch.observer/filing/0001664710-25-000059.md","text":"https://secwatch.observer/filing/0001664710-25-000059.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1664710/000166471025000059/0001664710-25-000059-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1664710/000166471025000059/kros-20250709.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T06:29:42.154130+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"}