Welcome to our dedicated page for Sigma Lithium news (Ticker: SGML), a resource for investors and traders seeking the latest updates and insights on Sigma Lithium stock.
Sigma Lithium Corporation reports developments tied to its lithium oxide concentrate production business and its Grota do Cirilo operation in Brazil. Company news commonly covers earnings releases, production guidance, sales of high-grade lithium oxide concentrate, commercialization of high-purity lithium fines, offtake agreements, and working-capital or bank-guarantee arrangements.
Updates also describe the Greentech Industrial Plant, including dry stacking, water reuse, zero use of toxic chemicals, and renewable electricity, along with capacity-expansion activity. Recurring themes include operating cadence, mine optimization, customer deliveries, and the role of Sigma Lithium's concentrate in the electric battery materials supply chain.
Sigma Lithium (NASDAQ: SGML) announced that its mining and industrial operations in Brazil are fully back online after signing a Terms for Adjustment of Procedures (TAC Agreement) with the State of Minas Gerais. Regular operating activities have resumed, and the company remains focused on ramping up production and executing its expansion plans.
According to Sigma Lithium, it expects to produce 240,000t of lithium oxide concentrate within 12 months and reach 330,000t in FY 2027. The TAC will require approximately US$1,000,000 in environmental procedure adjustments and payment of up to US$540,000 in environmental-related fines. Operations involving the sale of high‑purity lithium fines from reprocessed tailings continued during the prior partial suspension. The company has also approved upgrades to its haulage fleet with SANY, targeting higher-capacity 75t trucks and 98t excavators.
Sigma Lithium (NASDAQ: SGML) reported record 2Q 2026 results, with net revenues of US$55 million from sales of 24,400t of lithium oxide concentrate and a record EBITDA margin of 47%, up from 39% in 1Q 26. Gross and operating margins were 60% and 32%, respectively, while realized price rose 17% to US$2,089/t (SC5).
Production volume increased 50% to 35,400t, driving cost reductions: plant gate US$401/t (-36%), CIF US$452/t (-33%) and AISC US$668/t. Net debt declined to US$125 million, 25% lower year-on-year. Sigma Lithium guides 240,000t over the next 12 months and 330,000t for FY 2027, and plans to lift installed capacity to 580,000tpy by end-2027 and 830,000tpy by end-2028. Mining and plant operations have been temporarily paused since mid-July 2026 pending a TAC Agreement with the Minas Gerais state government, while tailings reprocessing continues.
Sigma Lithium (NASDAQ: SGML)/b) announced that CEO Ana Cabral joined Vale CEO Gustavo Pimenta in a keynote discussion at the S&P Global Energy Rio Market Briefing on reshaping critical minerals supply chains, focusing on diversification, risk and value creation for Brazil through industrialization of lithium oxides.During the inaugural São Paulo Climate Week and World Climate Foundation Summit, Sigma Lithium’s senior delegation participated in multiple events and a closed industrial roundtable on de-risking investments in Brazilian critical minerals and scaling sustainable local industrialization. The company highlighted its Grota do Cirilo operation in Brazil, its cleantech plant with 100% water reuse, zero toxic chemicals and zero tailings, and its lithium oxide concentrate nameplate capacity of 270,000 tonnes annually, with Phase 2 and Phase 3 expansions planned to 520,000 and 770,000 tonnes.
Sigma Lithium (NASDAQ: SGML) will release its second quarter 2026 earnings before market open on Friday, August 14, 2026, followed by a conference call at 8:30 a.m. EST accessible via webcast on the company’s investor relations website.
According to Sigma Lithium, it exceeded its 2Q26 production guidance by 6%, delivering 35,000 tonnes of high-grade lithium concentrate, with 1H26 production of 58,000 tonnes above target. This was attributed to a comprehensive mining upgrade after primarization of mining operations. The company operates the Grota do Cirilo complex in Brazil, with a current nameplate capacity of 270,000 tonnes of lithium oxide concentrate annually and ongoing Phase 2 and planned Phase 3 expansions targeting up to 770,000 tonnes.
Sigma Lithium (NASDAQ: SGML) has begun negotiating a Terms for Adjustment of Procedures (TAC) Agreement with the Minas Gerais State Government after the regional environmental body SUPRAM Jequitinhonha issued fines totaling approximately US$540,000 for environmental issues dating from 2013 to 2022. The company states it denies wrongdoing, including claims of misrepresentation of environmental information since 2018, alleged pre-2023 commercial sales, and alleged impacts on two houses outside its licensed area.
According to Sigma Lithium, the TAC is expected to require around US$1,000,000 in capex to implement agreed environmental procedure adjustments and enable the resumption of activities that have been partially and temporarily suspended. The fines are not payable for at least 120 days. The company also highlights that it beat its 2Q production guidance and that all directors were elected or re-elected by an overwhelming majority at its AGM. Sigma Lithium reports current nameplate capacity of 270,000 tonnes of lithium oxide concentrate annually and a Phase 2 expansion underway toward 520,000 tonnes.
Sigma Lithium (NASDAQ: SGML) reported that shareholders elected and re-elected all five director nominees at the 2026 Annual Meeting held on June 30, 2026, with a total of 81,553,499 common shares voted, representing 72.77% of shares outstanding. Overall, director nominees received 96.25% of votes cast, with CEO and Co-Chairperson Ana Cabral securing 97.41% support. Shareholders also approved fixing the Board size at five directors with 99.93% support and reappointed Grant Thornton LLP as auditor with 99.95% of votes in favor.
According to Sigma Lithium, this strong mandate supports its growth strategy, including completing construction of a second plant expected to lift capacity to 520,000 tpy of lithium concentrate, and its ongoing self-funded capex to upgrade Mine 1, while maintaining 1,100 direct jobs and a record of 1,100 days without lost-time accidents.
Sigma Lithium (NASDAQ: SGML) produced 35,000 tonnes of lithium concentrate in 2Q26, beating its 33,000‑tonne guidance by 6%. Operations benefited from a comprehensive mining upgrade and primarization of mining activities.
The company reports 70% lithium recovery, ~20% yield, is on track for 240,000t annualized Phase 1 output, and outlines forecast cash costs, all‑in sustaining costs and cash flows across Phases 1–3.
Sigma Lithium (NASDAQ: SGML) reported a legal win in Minas Gerais on June 9, 2026. A Court of Appeal Judge overturned a lower court decision that had contemplated a potential US$10 million legal collateral.
The court accepted Sigma Lithium’s quantitative environmental evidence and requested the company fund an independent technical advisor to monitor dust, noise and vibrations in nearby communities.
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A10 Global Fund, L.P. increased its position in Sigma Lithium (NASDAQ: SGML), while keeping aggregate twelve‑month purchases below 5% of outstanding shares.
A10 cites Sigma Lithium’s Q1 2026 performance, including 26% net margin, 39% EBITDA margin, 61% gross margin, debt reductions, and planned capacity expansion from 270,000 to 770,000 tonnes of lithium concentrate by yearend 2027.