{"filing":{"accession_number":"0001193125-26-426817","cik":"0000927971","ticker":"BERZ","company_name":"BANK OF MONTREAL /CAN/","form":"6-K","filing_date":"2026-10-20","report_date":"2026-10-20","primary_document":"d166655d6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/927971/000119312526426817/d166655d6k.htm"},"events":[{"id":36470,"run_id":33627,"accession_number":"0001193125-26-426817","anchor_item_number":"EX-99.1","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.92,"summary":"The exhibit announces the appointment of Tim Cox as U.S. Country Head and CEO of BMO's U.S. subsidiaries, effective November 1, 2026, with a reporting line to the CEO and Executive Committee membership. While the announcement also mentions Darrel Hackett's transition to Executive Vice-Chair and Senior Advisor (a departure from his U.S. CEO role), the principal disclosed action is Cox's appointment to a material executive position overseeing BMO's U.S. operations. This is a significant leadership change at a major financial institution affecting governance and operational structure.","company_name":"BANK OF MONTREAL /CAN/","ticker":"BERZ","filing_date":"2026-10-20","form":"6-K","submitted_at":null,"items":[{"id":40895,"accession_number":"0001193125-26-426817","item_number":"EX-99.1","item_title":"d166655dex991.htm","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.92,"reasoning":"The exhibit announces the appointment of Tim Cox as U.S. Country Head and CEO of BMO's U.S. subsidiaries, effective November 1, 2026, with a reporting line to the CEO and Executive Committee membership. While the announcement also mentions Darrel Hackett's transition to Executive Vice-Chair and Senior Advisor (a departure from his U.S. CEO role), the principal disclosed action is Cox's appointment to a material executive position overseeing BMO's U.S. operations. This is a significant leadership change at a major financial institution affecting governance and operational structure.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-10-20T21:00:37.931998+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":40895,"accession_number":"0001193125-26-426817","item_number":"EX-99.1","item_title":"d166655dex991.htm","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.92,"reasoning":"The exhibit announces the appointment of Tim Cox as U.S. Country Head and CEO of BMO's U.S. subsidiaries, effective November 1, 2026, with a reporting line to the CEO and Executive Committee membership. While the announcement also mentions Darrel Hackett's transition to Executive Vice-Chair and Senior Advisor (a departure from his U.S. CEO role), the principal disclosed action is Cox's appointment to a material executive position overseeing BMO's U.S. operations. This is a significant leadership change at a major financial institution affecting governance and operational structure.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-10-20T21:00:37.931998+00:00","company_name":"BANK OF MONTREAL /CAN/","ticker":"BERZ","filing_date":"2026-10-20"}]}