{"schema_version":"secwatch.filing_event.v1","accession":"0001096343-25-000039","form_type":"8-K","ticker":"MKL","cik":"0001096343","company_name":"MARKEL GROUP INC.","filed_at":"2025-03-17T23:59:59+00:00","discovered_at":"2026-05-14T18:03:02.924626+00:00","generated_at":"2026-05-24T15:07:51.765571+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Markel Group appoints Simon Wilson as CEO of Markel Insurance; Jeremy Noble departs","bullets":["Jeremy Noble, President, Insurance, mutually agreed to depart effective March 14, 2025; severance triggered.","Simon Wilson appointed CEO of Markel Insurance (Markel Specialty, International, Global Reinsurance) effective March 17.","Under Wilson, Markel International increased gross written premiums nearly 40% and net underwriting profit over 250%.","State National and Nephila leadership will now report directly to Markel Group alongside Markel Insurance.","Leadership change follows a Board-led business review aimed at reducing complexity and improving customer focus."],"urls":{"canonical":"https://secwatch.observer/filing/0001096343-25-000039","json":"https://secwatch.observer/filing/0001096343-25-000039.json","markdown":"https://secwatch.observer/filing/0001096343-25-000039.md","text":"https://secwatch.observer/filing/0001096343-25-000039.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1096343/000109634325000039/0001096343-25-000039-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1096343/000109634325000039/mkl-20250314.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T15:07:51.765571+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":"3759cc24b2","claim":"Simon Wilson was appointed as Chief Executive Officer over the Company’s global specialty insurance and reinsurance underwriting operations (Markel Insurance) at MARKEL GROUP INC..","evidence_excerpt":"Effective March 17, 2025, Simon Wilson, currently President, Markel International, has been appointed Chief Executive Officer over the Company’s global specialty insurance and reinsurance underwriting operations, which will collectively be referred to as Markel Insurance.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1096343/000109634325000039/0001096343-25-000039-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Executive Officer over the Company’s global specialty insurance and reinsurance underwriting operations (Markel Insurance)"}],"fact_type":"executive_change"},{"claim_id":"cadb9aa6b1","claim":"Jeremy A. Noble departed as President, Insurance at MARKEL GROUP INC..","evidence_excerpt":"On March 14, 2025, Jeremy A. Noble, President, Insurance, and the Company mutually agreed on a departure date of April 13, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1096343/000109634325000039/0001096343-25-000039-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"mutually agreed to depart"},{"label":"Role","value":"President, Insurance"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}