{"filing":{"accession_number":"0001096343-26-000074","cik":"0001096343","ticker":"MKL","company_name":"MARKEL GROUP INC.","form":"8-K","filing_date":"2026-09-08","report_date":"2026-09-03","primary_document":"mkl-20260903.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1096343/000109634326000074/mkl-20260903.htm"},"events":[{"id":31839,"run_id":29238,"accession_number":"0001096343-26-000074","anchor_item_number":"5.02","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.75,"summary":"Thomas S. Gayner appointed to the additional role of Chairman effective September 8, 2026, succeeding Steven A. Markel. Simon Wilson appointed as Co-President and CEO of Markel Insurance, and Andrew G. Crowley appointed as Co-President and CEO of Markel Ventures, representing a significant leadership transition at the top of the organization.","company_name":"MARKEL GROUP INC.","ticker":"MKL","filing_date":"2026-09-08","form":"8-K","submitted_at":null,"items":[{"id":34853,"accession_number":"0001096343-26-000074","item_number":"5.02","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"The filing discloses multiple executive appointments effective September 8, 2026: Thomas S. Gayner appointed to the additional role of Chairman (succeeding Steven A. Markel), Simon Wilson appointed as Co-President and CEO of Markel Insurance, and Andrew G. Crowley appointed as Co-President and CEO of Markel Ventures. While Steven A. Markel's retirement is also disclosed, the principal disclosed actions center on the three appointments to new or expanded roles. The filing also includes compensatory arrangements (salary increases) for these executives, but the appointments themselves are the primary event. This is material as it represents a significant leadership transition at the top of the organization.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-08T12:32:05.214430+00:00","company_name":"","ticker":null,"filing_date":""}]},{"id":31840,"run_id":29238,"accession_number":"0001096343-26-000074","anchor_item_number":"8.01","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.75,"summary":"Steven A. Markel, Chairman of the Board, is retiring after more than 50 years of service and will not seek re-election at the 2027 Annual Meeting. The company established a Leadership Council as a governance structure to support the transition.","company_name":"MARKEL GROUP INC.","ticker":"MKL","filing_date":"2026-09-08","form":"8-K","submitted_at":null,"items":[{"id":34854,"accession_number":"0001096343-26-000074","item_number":"8.01","item_title":null,"event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"Steve Markel, Chairman of the Board, is retiring after more than 50 years of service and will not seek re-election at the 2027 Annual Meeting. While the Item 8.01 disclosure also mentions Tom Gayner's appointment as Chairman and promotions of Wilson and Crowley to Co-Presidents, the principal disclosed action centers on Markel's departure from the Board. The establishment of the Leadership Council is a governance structure change supporting the transition, but the core event is the retirement of a long-tenured chairman.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-08T12:32:05.214430+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":34853,"accession_number":"0001096343-26-000074","item_number":"5.02","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"The filing discloses multiple executive appointments effective September 8, 2026: Thomas S. Gayner appointed to the additional role of Chairman (succeeding Steven A. Markel), Simon Wilson appointed as Co-President and CEO of Markel Insurance, and Andrew G. Crowley appointed as Co-President and CEO of Markel Ventures. While Steven A. Markel's retirement is also disclosed, the principal disclosed actions center on the three appointments to new or expanded roles. The filing also includes compensatory arrangements (salary increases) for these executives, but the appointments themselves are the primary event. This is material as it represents a significant leadership transition at the top of the organization.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-08T12:32:05.214430+00:00","company_name":"MARKEL GROUP INC.","ticker":"MKL","filing_date":"2026-09-08"},{"id":34854,"accession_number":"0001096343-26-000074","item_number":"8.01","item_title":null,"event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"Steve Markel, Chairman of the Board, is retiring after more than 50 years of service and will not seek re-election at the 2027 Annual Meeting. While the Item 8.01 disclosure also mentions Tom Gayner's appointment as Chairman and promotions of Wilson and Crowley to Co-Presidents, the principal disclosed action centers on Markel's departure from the Board. The establishment of the Leadership Council is a governance structure change supporting the transition, but the core event is the retirement of a long-tenured chairman.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-08T12:32:05.214430+00:00","company_name":"MARKEL GROUP INC.","ticker":"MKL","filing_date":"2026-09-08"}]}