{"filing":{"accession_number":"0000354190-26-000197","cik":"0000354190","ticker":"AJG","company_name":"Arthur J. Gallagher \u0026 Co.","form":"8-K","filing_date":"2026-08-26","report_date":"2026-08-24","primary_document":"ajg-20260824.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/354190/000035419026000197/ajg-20260824.htm"},"events":[{"id":29842,"run_id":27337,"accession_number":"0000354190-26-000197","anchor_item_number":"5.02","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.85,"summary":"Kyle G. Koreyva is being appointed as Controller and Chief Accounting Officer (principal accounting officer) effective October 1, 2026, succeeding Richard C. Cary. While the disclosure also mentions Cary's planned departure, the principal action disclosed is Koreyva's appointment to a key financial leadership role. The appointment of a principal accounting officer is material to investors as it affects the registrant's financial reporting oversight and governance structure.","company_name":"Arthur J. Gallagher \u0026 Co.","ticker":"AJG","filing_date":"2026-08-26","form":"8-K","submitted_at":null,"items":[{"id":32255,"accession_number":"0000354190-26-000197","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.85,"reasoning":"Kyle G. Koreyva is being appointed as Controller and Chief Accounting Officer (principal accounting officer) effective October 1, 2026, succeeding Richard C. Cary. While the disclosure also mentions Cary's planned departure, the principal action disclosed is Koreyva's appointment to a key financial leadership role. The appointment of a principal accounting officer is material to investors as it affects the registrant's financial reporting oversight and governance structure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-27T10:04:47.817786+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":32255,"accession_number":"0000354190-26-000197","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.85,"reasoning":"Kyle G. Koreyva is being appointed as Controller and Chief Accounting Officer (principal accounting officer) effective October 1, 2026, succeeding Richard C. Cary. While the disclosure also mentions Cary's planned departure, the principal action disclosed is Koreyva's appointment to a key financial leadership role. The appointment of a principal accounting officer is material to investors as it affects the registrant's financial reporting oversight and governance structure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-27T10:04:47.817786+00:00","company_name":"Arthur J. Gallagher \u0026 Co.","ticker":"AJG","filing_date":"2026-08-26"}]}