{"filing":{"accession_number":"0001292814-26-004156","cik":"0001049659","ticker":"SID","company_name":"NATIONAL STEEL CO","form":"6-K","filing_date":"2026-08-10","report_date":"2026-09-30","primary_document":"sid20260810_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1049659/000129281426004156/sid20260810_6k.htm"},"events":[{"id":26460,"run_id":24050,"accession_number":"0001292814-26-004156","anchor_item_number":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.92,"summary":"The filing discloses that CSN has received binding proposals from potential purchasers in a competitive process for the \"potential full divestment of its subsidiary CSN Cimentos S.A.\" This constitutes material M\u0026A activity — specifically a disposition or sale of a subsidiary. The company explicitly references a prior Material Fact disclosure from January 15, 2026, and states it is \"currently evaluating the binding proposals,\" indicating an active transaction process that would materially affect the registrant's asset base and financial position.","company_name":"NATIONAL STEEL CO","ticker":"SID","filing_date":"2026-08-10","form":"6-K","submitted_at":null,"items":null}],"classifications":[{"id":27595,"accession_number":"0001292814-26-004156","item_number":null,"item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.92,"reasoning":"The filing discloses that CSN has received binding proposals from potential purchasers in a competitive process for the \"potential full divestment of its subsidiary CSN Cimentos S.A.\" This constitutes material M\u0026A activity — specifically a disposition or sale of a subsidiary. The company explicitly references a prior Material Fact disclosure from January 15, 2026, and states it is \"currently evaluating the binding proposals,\" indicating an active transaction process that would materially affect the registrant's asset base and financial position.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-10T14:12:37.921694+00:00","company_name":"NATIONAL STEEL CO","ticker":"SID","filing_date":"2026-08-10"}]}