{"filing":{"accession_number":"0001140361-26-036349","cik":"0002035989","ticker":"AMRZ","company_name":"Amrize Ltd","form":"8-K","filing_date":"2026-09-11","report_date":"2026-09-06","primary_document":"ef20081881_8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/2035989/000114036126036349/ef20081881_8k.htm"},"events":[{"id":32951,"run_id":30293,"accession_number":"0001140361-26-036349","anchor_item_number":"5.02","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.9,"summary":"Mario Gross was appointed as President of Building Envelope, effective September 11, 2026, succeeding Jake Gosa who resigned from the position. Gross was promoted from Chief Supply Chain Officer to lead the major business segment.","company_name":"Amrize Ltd","ticker":"AMRZ","filing_date":"2026-09-11","form":"8-K","submitted_at":null,"items":[{"id":36253,"accession_number":"0001140361-26-036349","item_number":"5.02","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.85,"reasoning":"The filing discloses the appointment of Mario Gross as President, Building Envelope, effective September 11, 2026, following Jake Gosa's resignation notice. While both a departure and appointment occur, the principal disclosed action centers on the Board's appointment decision and Gross's assumption of the role. The media release emphasizes Gross's qualifications and leadership credentials, and the CEO's statement focuses on welcoming him to the new position, making the appointment the salient event.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-11T20:19:03.748407+00:00","company_name":"","ticker":null,"filing_date":""},{"id":36254,"accession_number":"0001140361-26-036349","item_number":"7.01","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The filing discloses the appointment of Mario Gross as President of Building Envelope, effective September 11, 2026, succeeding Jake Gosa who is stepping down. While both a departure and appointment occur, the principal disclosed action centers on Gross taking the role—he is promoted from Chief Supply Chain Officer to lead a major business segment. The press release emphasizes his qualifications and the CEO's confidence in his leadership, making the appointment the salient event.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-11T20:19:03.748407+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":36253,"accession_number":"0001140361-26-036349","item_number":"5.02","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.85,"reasoning":"The filing discloses the appointment of Mario Gross as President, Building Envelope, effective September 11, 2026, following Jake Gosa's resignation notice. While both a departure and appointment occur, the principal disclosed action centers on the Board's appointment decision and Gross's assumption of the role. The media release emphasizes Gross's qualifications and leadership credentials, and the CEO's statement focuses on welcoming him to the new position, making the appointment the salient event.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-11T20:19:03.748407+00:00","company_name":"Amrize Ltd","ticker":"AMRZ","filing_date":"2026-09-11"},{"id":36254,"accession_number":"0001140361-26-036349","item_number":"7.01","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The filing discloses the appointment of Mario Gross as President of Building Envelope, effective September 11, 2026, succeeding Jake Gosa who is stepping down. While both a departure and appointment occur, the principal disclosed action centers on Gross taking the role—he is promoted from Chief Supply Chain Officer to lead a major business segment. The press release emphasizes his qualifications and the CEO's confidence in his leadership, making the appointment the salient event.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-11T20:19:03.748407+00:00","company_name":"Amrize Ltd","ticker":"AMRZ","filing_date":"2026-09-11"}]}