{"filing":{"accession_number":"0001292814-26-003854","cik":"0001848309","ticker":"SGML","company_name":"Sigma Lithium Corp","form":"6-K","filing_date":"2026-07-22","report_date":null,"primary_document":"sgml20260722_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1848309/000129281426003854/sgml20260722_6k.htm"},"events":[{"id":19633,"run_id":17666,"accession_number":"0001292814-26-003854","anchor_item_number":"EX-99.1","event_type":"legal_other","event_domain":"legal","is_material":true,"confidence":0.85,"summary":"Sigma Lithium discloses a regulatory enforcement action by SUPRAM (Minas Gerais environmental authority) involving fines of approximately US$540,000 for environmental violations from 2013–2022, and the company's initiation of settlement negotiations (a \"TAC Agreement\") with the State Government. The company also discloses estimated capex of US$1,000,000 to comply with required environmental procedure adjustments. This is a material legal/regulatory matter involving significant financial exposure and operational impact (partial suspension of activities), though the company denies wrongdoing and is actively negotiating a settlement.","company_name":"Sigma Lithium Corp","ticker":"SGML","filing_date":"2026-07-22","form":"6-K","submitted_at":null,"items":[{"id":18781,"accession_number":"0001292814-26-003854","item_number":"EX-99.1","item_title":"ex99-1.htm","event_type":"legal_other","event_domain":"legal","is_material":true,"confidence":0.85,"reasoning":"Sigma Lithium discloses a regulatory enforcement action by SUPRAM (Minas Gerais environmental authority) involving fines of approximately US$540,000 for environmental violations from 2013–2022, and the company's initiation of settlement negotiations (a \"TAC Agreement\") with the State Government. The company also discloses estimated capex of US$1,000,000 to comply with required environmental procedure adjustments. This is a material legal/regulatory matter involving significant financial exposure and operational impact (partial suspension of activities), though the company denies wrongdoing and is actively negotiating a settlement.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-22T20:49:39.461934+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":18781,"accession_number":"0001292814-26-003854","item_number":"EX-99.1","item_title":"ex99-1.htm","event_type":"legal_other","event_domain":"legal","is_material":true,"confidence":0.85,"reasoning":"Sigma Lithium discloses a regulatory enforcement action by SUPRAM (Minas Gerais environmental authority) involving fines of approximately US$540,000 for environmental violations from 2013–2022, and the company's initiation of settlement negotiations (a \"TAC Agreement\") with the State Government. The company also discloses estimated capex of US$1,000,000 to comply with required environmental procedure adjustments. This is a material legal/regulatory matter involving significant financial exposure and operational impact (partial suspension of activities), though the company denies wrongdoing and is actively negotiating a settlement.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-22T20:49:39.461934+00:00","company_name":"Sigma Lithium Corp","ticker":"SGML","filing_date":"2026-07-22"}]}