{"filing":{"accession_number":"0001292814-26-004460","cik":"0001049659","ticker":"SID","company_name":"NATIONAL STEEL CO","form":"6-K","filing_date":"2026-09-02","report_date":"2026-09-30","primary_document":"sid20260902_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1049659/000129281426004460/sid20260902_6k.htm"},"events":[{"id":31416,"run_id":28822,"accession_number":"0001292814-26-004460","anchor_item_number":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"summary":"The filing discloses that the Board of Directors approved the election of Benjamin Steinbruch as Chairman of the Board and that Fabio Schvartsman will assume the position of Chief Executive Officer (CEO) effective September 3, 2026. These are material executive appointments at the highest levels of the company. The disclosure is labeled \"MATERIAL FACT\" and filed as a 6-K, indicating the registrant itself considers this material to investors.","company_name":"NATIONAL STEEL CO","ticker":"SID","filing_date":"2026-09-02","form":"6-K","submitted_at":null,"items":null}],"classifications":[{"id":34284,"accession_number":"0001292814-26-004460","item_number":null,"item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The filing discloses that the Board of Directors approved the election of Benjamin Steinbruch as Chairman of the Board and that Fabio Schvartsman will assume the position of Chief Executive Officer (CEO) effective September 3, 2026. These are material executive appointments at the highest levels of the company. The disclosure is labeled \"MATERIAL FACT\" and filed as a 6-K, indicating the registrant itself considers this material to investors.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-03T10:02:56.494893+00:00","company_name":"NATIONAL STEEL CO","ticker":"SID","filing_date":"2026-09-02"}]}