Sigma Lithium has priced a $125 million upsized offering of senior unsecured convertible bonds due 2031. The funds will refinance existing debt, lowering interest costs and strengthening the company's
Brazil's ANM regulator ordered Sigma Lithium to partially suspend operations at its Grota do Cirilo mine due to slope safety risks. This halt compounds existing regulatory challenges for the lithium p
A Brazilian court suspended environmental permits and halted mining at Sigma Lithium's Grota do Cirilo project due to proximity concerns with traditional Quilombola territories. This injunction affect
Sigma Lithium's CEO Ana Cabral discussed critical minerals supply chains and lithium oxide industrialization during São Paulo Climate Week. The company highlighted its sustainable Grota do Cirilo oper
U.S. lithium mining stocks surged, led by Sigma Lithium (SGML) with a 17.1% gain driven by AI-fueled energy storage demand and rebounding lithium carbonate futures. The sector is now transitioning fro
Sigma Lithium shareholders re-elected all directors with over 96% support, validating the company's growth strategy in Minas Gerais. The company plans to build a second factory to increase lithium oxi
Sigma Lithium aims to triple lithium production at its Grota do Cirilo project by 2027 following strong Q1 2026 results, utilizing non-dilutive financing despite risks from price volatility and single
Sigma Lithium exceeded its Q2 2026 guidance by producing 35,000 tonnes of lithium concentrate following a mining operations upgrade. Achieving 70% recovery, the company targets 240,000 tonnes annualiz
U.S. lithium mining stocks surged, led by Sigma Lithium's 8% gain, as the Thacker Pass mine nears production by year-end. General Motors secured initial supply while the U.S. government invested to bo
Lithium mining stocks experienced a downtrend with Sigma Lithium leading losses, alongside significant declines for Lithium Americas and Lithium Argentina AG during regular trading hours.
Sigma Lithium secured $146 million in supply contracts extending to 2026 and reduced debt by 35%. The company is advancing its Phase 2 expansion for lithium concentrate production, targeting major cus
Sigma Lithium secured a US$100 million bank guarantee for its second Greentech plant alongside full-year 2025 earnings and production guidance. Analysts view the mining restart as a key milestone, sug
Sigma Lithium Resources Corp shares declined following a short seller report highlighting legal and operational risks. Specific details regarding the claims and their immediate market impact were not
Sigma Lithium reported Q4 earnings focused on cost reduction and cash flow growth amidst volatile lithium prices and reduced production. The company detailed operational improvements and plans to doub
Sigma Lithium secured $246 million in customer-backed funding to double production capacity without equity dilution. This strategy links growth to contracted volumes while mitigating execution risk fo
Sigma Lithium secured $146 million in offtake agreements for lithium concentrate produced at its Brazilian facility.
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