Sigma Lithium Corporation
A dual-listed lithium producer (NASDAQ: SGML, TSXV: SGML) headquartered in Toronto that operates the Grota do Cirilo hard-rock spodumene complex in Brazil, marketed as a renewable-energy-powered, zero-tailings supplier to the EV battery industry.
Covered in 4 MetalsCost.com News Intelligence articles, most recently on October 1, 2026.
Coverage
Sigma Lithium Halts All Mining in Brazil as It Waits on an Appeals Court
All its mining and industrial production is halted, delaying its output guidance.
Brazil Orders Sigma Lithium to Halt Part of Its Mine Over an 'Imminent Risk' at a Pit Slope
It faces a partial pit halt on top of suspended licences and a stalled expansion.
Sigma Lithium Posts a Record 47% EBITDA Margin, Even With Its Brazil Plant Partly Shut Since Mid-July
Sigma Lithium posted a record 47% EBITDA margin in Q2 2026 on 50% higher production and a 17% higher realized price, even as its Brazil operations have been partially suspended since July 17 pending a $540,000 environmental settlement.
Sigma Lithium Beats Its Own Production Guidance by 6% as Analysts Recast It as a Tier-One EV Battery Supplier
Sigma Lithium produced 35,000 tonnes of lithium concentrate in Q2 2026, 6% above guidance, pushing 1H output to 58,000 tonnes as analysts stay split ahead of August 14 earnings.