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 (TSXV: SGML; NASDAQ: SGML) announced the resumption of mining at Mine 1 in Vale do Jequitinhonha, Brazil, with over 600 people on site and a staged ramp-up through 1Q26.
Restructuring was partly financed by sales of dry-stacked Fines (950,000t inventory at US$140/t) and client/financier working capital lines (70.5kt). Company presented production scenarios (Phase 1: 220k–270k tpy; Phases 1+2: 520k tpy) and cash-flow illustrations (e.g., Phase 1 cash flow at US$1,800/t: $233M at 220k tpy; Phases 1+2: $592M). Full- year 2026 guidance to follow when steady state is reached in 1Q26.
Sigma Lithium (TSXV: SGML, NASDAQ: SGML) has resumed mining at Mine 1 in Vale do Jequitinhonha as of February 2, 2026, concluding a 4Q25 operational restructuring to boost safety and scale.
The restart supports planned ramp-up to higher ore delivery for Phase 1 and Phase 2 Greentech Industrial Plant expansion, backed by sales of high-purity fines and client financing. The company provided illustrative 12‑month cash flow scenarios at US$1,000–1,800/t and will issue full 2026 guidance once steady state production is achieved in 1Q26.
Sigma Lithium (NASDAQ: SGML) sold 100,000 tonnes of high-purity lithium fines at an adjusted net final price of US$140/t (1% Li2O basis) and says remobilization of mining contractor activities is on track to conclude in January 2026. The company denies inaccurate media reports about an administrative enquiry and says the enquiry does not affect operations or safety.
Sigma highlights its Greentech plant features: dry stacking, 100% water reuse, zero toxic chemicals and 100% renewable power.
Sigma Lithium (TSXV: SGML; NASDAQ: SGML) sold 100,000 tonnes of high‑purity lithium fines stored at the Port of Vitoria, generating approximately USD 11 million at an adjusted net final price of USD 125/t. The company reports 850,000 tonnes of additional high‑purity fines available for sale and signed a working capital agreement covering 70,500 tonnes of monthly sales capacity through end‑2026, with the first tranche of USD 5 million closed. Sigma is advancing a Mine 1 remobilization to increase safety and nearly triple earth‑moving capacity, targeting completion of personnel and small‑equipment remobilization in January 2026. Katia Abreu was appointed as an independent board member.
Sigma Lithium (NASDAQ: SGML) highlighted Brazil's leadership potential in sustainable lithium at COP30 (Dec 2025) in Belém, presenting its Quintuple Zero model: zero tailings dams, 100% renewable energy, zero potable water use and zero hazardous chemicals.
Senior executives including CEO Ana Cabral and VPs Lígia Pinto and Daniel Abdo participated in ministerial panels, Blue Zone sessions and roundtables addressing critical minerals, mining decarbonisation, energy policy and ESG-aligned financing. The company positioned its Jequitinhonha Valley operations as a model for low-carbon, socially responsible lithium supply chains.
Sigma Lithium (NASDAQ: SGML) reported 3Q25 net revenue of US$28.5M, up 69% QoQ and 36% YoY, driven by higher realized prices (US$586/t, +40% QoQ) and a 21% QoQ increase in sales volume to 48.6kt.
Production was 44.0kt (-36% QoQ). EBITDA improved to a loss of US$6.2M (vs US$-17.1M in 2Q25). Cash and equivalents were US$6.1M at 9/30/25; trade receivable conversions boosted liquidity to about US$29M by 11/13/25. Trade finance declined to US$37M and total debt was US$161.9M.
Mining operations expected to restart end-Nov 2025 and fully ramp by 1Q26; middlings sales could generate ~US$33M.
Sigma Lithium (NASDAQ: SGML) announced on October 17, 2025 that its US-listed shares have been added to the Morgan Stanley National Security Stock Index (Bloomberg: MSXXNSEC).
The index tracks US-listed companies whose operations, products or technologies support national security, supply chain resilience and strategic infrastructure, spanning sectors such as defense, batteries, energy, rare earths and cybersecurity. Inclusion places SGML alongside other strategic-material producers and battery/technology firms named in the index, increasing the company’s visibility to institutional investors and thematic index-based strategies focused on security and critical materials.
Sigma Lithium (NASDAQ: SGML) said it was recognized in the report "Climate and Nature Solutions in Brazil" for sustainability practices including 100% renewable energy, 90% water recirculation, no tailings dams and dry processing summarized as the "Quintuple Zero".
The company announced mining operations upgrades begun in 3Q25 to improve ore delivery cadence, replace mining equipment, change suppliers and increase truck size. Management expects these changes to reduce plant gate costs by ~20%, raise industrial plant throughput and better prepare the mine to feed a second Greentech plant due onstream in 2026. The Greentech plant reported 735 days without LTI at end-Q2 2025.
Sigma Lithium (NASDAQ: SGML), a leading global lithium producer focused on sustainable electric vehicle battery materials, has scheduled its Q3 2025 earnings release for November 14, 2025, before market open.
The company will host a conference call to discuss the results at 8:30 a.m. EST on the same day. Investors can access the earnings call via webcast through Sigma Lithium's website.
Sigma Lithium (NASDAQ: SGML) reported its Q2 2025 results, achieving 68,368 tonnes of lithium oxide concentrate production, a 38% year-over-year increase. The company demonstrated strong operational efficiency with CIF China cash operating costs of $442/t, 12% below target, and AISC of $594/t, 10% below target.
Revenue declined 60.3% to $21.1 million due to a strategic decision to withhold product during price volatility. The company reported a net loss of $18.9 million and maintained cash reserves of $15.1 million. Sigma continues to advance its Phase 2 expansion project, which aims to double production capacity to 520,000 tonnes annually by 2026.