{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-26-036349","form_type":"8-K","ticker":"AMRZ","cik":"0002035989","company_name":"Amrize Ltd","filed_at":"2026-09-11T20:15:50+00:00","discovered_at":"2026-09-11T20:17:00.293689+00:00","generated_at":"2026-09-11T20:17:04.213977+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Amrize names Mario Gross President of Building Envelope; Gosa resigns","bullets":["Jake Gosa resigns as President, Building Envelope; 12-month notice period runs to Sept 6, 2027.","Mario Gross appointed President, Building Envelope effective Sept 11, 2026, succeeding Gosa.","Gross had been Chief Supply Chain Officer since NYSE listing in June 2025; earlier COO of Building Envelope 2024–2025.","Gosa remains employed during transition; company cites smooth handover and thanks his contributions."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-26-036349","json":"https://secwatch.observer/filing/0001140361-26-036349.json","markdown":"https://secwatch.observer/filing/0001140361-26-036349.md","text":"https://secwatch.observer/filing/0001140361-26-036349.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2035989/000114036126036349/0001140361-26-036349-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2035989/000114036126036349/ef20081881_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-11T20:17:04.213977+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}