{"filing":{"accession_number":"0001243429-26-000080","cik":"0001243429","ticker":"ARCXF","company_name":"ArcelorMittal","form":"6-K","filing_date":"2026-08-17","report_date":"2026-08-17","primary_document":"arcelormittalform6-kaugust.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1243429/000124342926000080/arcelormittalform6-kaugust.htm"},"events":[{"id":28194,"run_id":25776,"accession_number":"0001243429-26-000080","anchor_item_number":"EX-99.1","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"summary":"ArcelorMittal discloses a missile strike on its Ukraine plant (ArcelorMittal Kryvih Rih) resulting in two employee deaths, 13 injuries, and significant damage to main production facilities including energy and blast furnace production, with partial halting of production processes. This is a material operational and safety event affecting a major production asset, though it does not fit the specific categories of workforce_reduction (no announced layoffs), material_litigation, or other named types. The disclosure is clearly operational in nature—a geopolitical incident materially impacting production capacity and operations.","company_name":"ArcelorMittal","ticker":"ARCXF","filing_date":"2026-08-17","form":"6-K","submitted_at":null,"items":[{"id":30049,"accession_number":"0001243429-26-000080","item_number":"EX-99.1","item_title":"exhibit99181726.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"ArcelorMittal discloses a missile strike on its Ukraine plant (ArcelorMittal Kryvih Rih) resulting in two employee deaths, 13 injuries, and significant damage to main production facilities including energy and blast furnace production, with partial halting of production processes. This is a material operational and safety event affecting a major production asset, though it does not fit the specific categories of workforce_reduction (no announced layoffs), material_litigation, or other named types. The disclosure is clearly operational in nature—a geopolitical incident materially impacting production capacity and operations.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-17T16:09:38.542269+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":30049,"accession_number":"0001243429-26-000080","item_number":"EX-99.1","item_title":"exhibit99181726.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"ArcelorMittal discloses a missile strike on its Ukraine plant (ArcelorMittal Kryvih Rih) resulting in two employee deaths, 13 injuries, and significant damage to main production facilities including energy and blast furnace production, with partial halting of production processes. This is a material operational and safety event affecting a major production asset, though it does not fit the specific categories of workforce_reduction (no announced layoffs), material_litigation, or other named types. The disclosure is clearly operational in nature—a geopolitical incident materially impacting production capacity and operations.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-17T16:09:38.542269+00:00","company_name":"ArcelorMittal","ticker":"ARCXF","filing_date":"2026-08-17"}]}