{"filing":{"accession_number":"0001292814-26-004491","cik":"0001848309","ticker":"SGML","company_name":"Sigma Lithium Corp","form":"6-K","filing_date":"2026-09-08","report_date":"2026-09-08","primary_document":"sgml20260907_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1848309/000129281426004491/sgml20260907_6k.htm"},"events":[{"id":31736,"run_id":29138,"accession_number":"0001292814-26-004491","anchor_item_number":"EX-99.1","event_type":"legal_other","event_domain":"legal","is_material":true,"confidence":0.85,"summary":"This disclosure addresses a preliminary judicial ruling allegedly suspending Sigma Lithium's environmental licenses in Brazil. Although the company denies receiving formal legal communication and asserts the ruling lacks due process, the announcement of a court order targeting the company's operating licenses—even if disputed—constitutes a material legal/regulatory event that would affect a reasonable investor's assessment of operational continuity and regulatory risk. The company's emphasis on continuing operations and its legal defense strategy confirms materiality, though the lack of formal service and the company's confidence in ultimate vindication prevent classification as a more severe terminal event.","company_name":"Sigma Lithium Corp","ticker":"SGML","filing_date":"2026-09-08","form":"6-K","submitted_at":null,"items":[{"id":34709,"accession_number":"0001292814-26-004491","item_number":"EX-99.1","item_title":"ex99-1.htm","event_type":"legal_other","event_domain":"legal","is_material":true,"confidence":0.85,"reasoning":"This disclosure addresses a preliminary judicial ruling allegedly suspending Sigma Lithium's environmental licenses in Brazil. Although the company denies receiving formal legal communication and asserts the ruling lacks due process, the announcement of a court order targeting the company's operating licenses—even if disputed—constitutes a material legal/regulatory event that would affect a reasonable investor's assessment of operational continuity and regulatory risk. The company's emphasis on continuing operations and its legal defense strategy confirms materiality, though the lack of formal service and the company's confidence in ultimate vindication prevent classification as a more severe terminal event.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-08T10:18:50.176900+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":34709,"accession_number":"0001292814-26-004491","item_number":"EX-99.1","item_title":"ex99-1.htm","event_type":"legal_other","event_domain":"legal","is_material":true,"confidence":0.85,"reasoning":"This disclosure addresses a preliminary judicial ruling allegedly suspending Sigma Lithium's environmental licenses in Brazil. Although the company denies receiving formal legal communication and asserts the ruling lacks due process, the announcement of a court order targeting the company's operating licenses—even if disputed—constitutes a material legal/regulatory event that would affect a reasonable investor's assessment of operational continuity and regulatory risk. The company's emphasis on continuing operations and its legal defense strategy confirms materiality, though the lack of formal service and the company's confidence in ultimate vindication prevent classification as a more severe terminal event.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-08T10:18:50.176900+00:00","company_name":"Sigma Lithium Corp","ticker":"SGML","filing_date":"2026-09-08"}]}