{"schema_version":"secwatch.filing_event.v1","accession":"0001096343-24-000028","form_type":"8-K","ticker":"MKL","cik":"0001096343","company_name":"MARKEL GROUP INC.","filed_at":"2024-02-26T23:59:59+00:00","discovered_at":"2026-05-14T18:03:23.354506+00:00","generated_at":"2026-06-05T14:32:01.880992+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Markel appoints Mike Heaton as COO; revamps executive compensation metrics","bullets":["Michael R. Heaton appointed EVP and COO, effective Feb 21, 2024, overseeing day-to-day operations.","Compensation Committee replaced 5-year CAGR in book value with 5-year average operating income as metric.","New service-based equity award for executives requires additional 5-year holding after 3-year vesting.","Base salary increased for CEO Gayner ($50K), Heaton ($40K), Noble ($40K), Grinnan ($20K); equity targets raised for all five.","Performance-based equity now 75% of total target; service-based (new) accounts for 25% for 2024."],"urls":{"canonical":"https://secwatch.observer/filing/0001096343-24-000028","json":"https://secwatch.observer/filing/0001096343-24-000028.json","markdown":"https://secwatch.observer/filing/0001096343-24-000028.md","text":"https://secwatch.observer/filing/0001096343-24-000028.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1096343/000109634324000028/0001096343-24-000028-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1096343/000109634324000028/mkl-20240220.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-05T14:32:01.880992+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":[{"claim_id":"ef31202bfe","claim":"Michael R. Heaton was appointed as Executive Vice President and Chief Operating Officer at MARKEL GROUP INC..","evidence_excerpt":"On February 21, 2024, the Board of Directors (the Board) of Markel Group Inc. (the Company) appointed Michael R. Heaton as the Company’s Executive Vice President and Chief Operating Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1096343/000109634324000028/0001096343-24-000028-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Executive Vice President and Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}