{"filing":{"accession_number":"0000354190-26-000184","cik":"0000354190","ticker":"AJG","company_name":"Arthur J. Gallagher \u0026 Co.","form":"8-K","filing_date":"2026-07-29","report_date":"2026-07-22","primary_document":"ajg-20260722.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/354190/000035419026000184/ajg-20260722.htm"},"events":[{"id":21447,"run_id":19345,"accession_number":"0000354190-26-000184","anchor_item_number":"8.01","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.92,"summary":"David Johnson, the Lead Independent Director of Arthur J. Gallagher \u0026 Co.'s Board, passed away on July 22, 2026. While the filing also discloses related governance actions (board size reduction, election of Ralph Nicoletti as new Lead Independent Director), the principal disclosed event is the departure of a named executive officer/director due to death. This is material to investors as it affects board composition and leadership continuity at a major public company.","company_name":"Arthur J. Gallagher \u0026 Co.","ticker":"AJG","filing_date":"2026-07-29","form":"8-K","submitted_at":null,"items":[{"id":21096,"accession_number":"0000354190-26-000184","item_number":"8.01","item_title":"Other Events.","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.92,"reasoning":"David Johnson, the Lead Independent Director of Arthur J. Gallagher \u0026 Co.'s Board, passed away on July 22, 2026. While the filing also discloses related governance actions (board size reduction, election of Ralph Nicoletti as new Lead Independent Director), the principal disclosed event is the departure of a named executive officer/director due to death. This is material to investors as it affects board composition and leadership continuity at a major public company.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-29T12:13:38.171462+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":21096,"accession_number":"0000354190-26-000184","item_number":"8.01","item_title":"Other Events.","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.92,"reasoning":"David Johnson, the Lead Independent Director of Arthur J. Gallagher \u0026 Co.'s Board, passed away on July 22, 2026. While the filing also discloses related governance actions (board size reduction, election of Ralph Nicoletti as new Lead Independent Director), the principal disclosed event is the departure of a named executive officer/director due to death. This is material to investors as it affects board composition and leadership continuity at a major public company.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-29T12:13:38.171462+00:00","company_name":"Arthur J. Gallagher \u0026 Co.","ticker":"AJG","filing_date":"2026-07-29"}]}