{"schema_version":"secwatch.filing_event.v1","accession":"0001125345-25-000111","form_type":"8-K","ticker":"MGNX","cik":"0001125345","company_name":"MACROGENICS INC","filed_at":"2025-11-20T23:59:59+00:00","discovered_at":"2026-05-14T18:02:38.843831+00:00","generated_at":"2026-05-16T17:52:48.694061+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"CMO Stephen Eck Departs MacroGenics; Frank Perabo Named Interim Lead","bullets":["Stephen Eck, SVP Clinical Development and CMO, to depart MacroGenics effective Dec 31, 2025 by mutual agreement.","Frank Perabo, VP Clinical Development, will assume interim oversight of clinical development.","Company has retained executive recruiter to search for a new Chief Medical Officer.","Dr. Eck joined MacroGenics in July 2020; will receive standard severance per employment agreement upon signing release."],"urls":{"canonical":"https://secwatch.observer/filing/0001125345-25-000111","json":"https://secwatch.observer/filing/0001125345-25-000111.json","markdown":"https://secwatch.observer/filing/0001125345-25-000111.md","text":"https://secwatch.observer/filing/0001125345-25-000111.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1125345/000112534525000111/0001125345-25-000111-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1125345/000112534525000111/mgnx-20251114.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T17:52:48.694061+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"}