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SummaryUpdated Jun 1, 2026
Sigma Lithium Corporation (NASDAQ:SGML) is a Brazilian lithium mining company founded in 2018 that develops and operates lithium deposits in the state of Minas Gerais, Brazil. The company transitioned from exploration to commercial production in 2023, becoming one of the world's largest lithium concentrate producers. Sigma Lithium operates what it claims to be a zero-carbon, zero-tailings production facility and has positioned itself as a low-cost producer in the global lithium supply chain that feeds the electric vehicle battery market.
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A preliminary judicial ruling reportedly suspended environmental licences at Sigma Lithium's Grota do Cirilo mine in Brazil, stemming from a civil suit by a Quilombola community federation.10d agoSigma Lithium Corporation confirmed that its mining and industrial operations remain unaffected by a preliminary judicial ruling issued by the courts of Teofilo Otoni, Brazil, which the company believes was issued without due process and plans to legally defend against.13d agoA Brazilian court ordered the suspension of all environmental permits of Sigma Mineração, a subsidiary of Sigma Lithium, and a full halt of mining operations at its Grota do Cirilo lithium project, following an emergency injunction requested by the Quilombola communities association of Minas Gerais.15d ago