{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-063717","form_type":"8-K","ticker":"GCMG","cik":"0001819796","company_name":"GCM Grosvenor Inc.","filed_at":"2025-07-14T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.121138+00:00","generated_at":"2026-05-18T06:44:15.941898+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"GCM Grosvenor officer Sandra Buchanan resigns, effective Oct 3, 2025","bullets":["Sandra Buchanan resigned from her position, effective October 3, 2025.","She agreed to assist the Company with transition of responsibilities.","No replacement or further details on her role were disclosed in the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-063717","json":"https://secwatch.observer/filing/0001213900-25-063717.json","markdown":"https://secwatch.observer/filing/0001213900-25-063717.md","text":"https://secwatch.observer/filing/0001213900-25-063717.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1819796/000121390025063717/0001213900-25-063717-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1819796/000121390025063717/ea0248853-8k_gcmgros.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T06:44:15.941898+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"}