Sigma Lithium Corporation on Wednesday said it will release its third-quarter 2025 earnings results before markets open on Friday, November 14, providing the next concrete snapshot of performance for a company positioning itself as a low-carbon supplier to the electric-vehicle supply chain. The firm, listed on the TSX Venture Exchange and Nasdaq as SGML and on Brazil’s B3 as S2GM34, made the timing announcement in a regulatory filing out of São Paulo.

The brief release reiterated the company’s forward-looking caution, stating that projections are “based on certain assumptions regarding, among other things: general economic and political conditions; the stable and supportive legislative, regulatory and community environment in Brazil; demand for lithium, including that such demand is supported by growth in the electric vehicle market,” language that underscores the twin commercial and geopolitical risks for mining operations in Brazil. The company also pointed to operational contingencies such as possible material or equipment shortages, labor outages and technical issues.

For investors, the November report will be judged on several front-line metrics: third-quarter production volumes and cash costs, the percentage of output sold under long-term contracts versus spot sales, progress on planned expansions and any update to full-year guidance. Sigma has emphasized its carbon-neutral ambitions and “socially and environmentally sustainable” production of lithium concentrate; the market will be particularly attentive to cost-per-ton metrics and whether sustainability investments are compressing margins or improving access to premium buyers.

The timing comes as the lithium market remains uneven. After sharp price spikes in 2021–22, lithium prices cooled amid new supply additions and softened demand, prompting a re-rating of many producers. Companies with lower-cost, ESG-focused supply chains have argued they can capture more durable margins as automakers deepen sustainability requirements. Sigma’s disclosure that it is “dedicated to powering the next generation of electric vehicles with carbon neutral... lithium concentrate” will likely be weighed against hard production and sales numbers when they arrive.

Analysts said the numbers could affect not only Sigma’s stock but broader sentiment toward mid-tier lithium miners. “Investors will be looking for confirmation that Sigma can keep unit costs low while expanding sales into the battery makers that matter,” said an analyst who asked not to be named, noting that access to offtake agreements and firm pricing are key near-term variables.

Beyond the headline results, observers will watch management commentary for updates on Brazil-specific risks: permitting timelines, community engagement and any regulatory headwinds that could affect ramp-up plans. With the global EV rollout still central to lithium demand forecasts, clarity from producers on achievable output and cost trajectories will shape investment flows into mining and downstream battery supply chains through 2026 and beyond.

Sigma’s November filing will arrive ahead of markets opening on Nov. 14, giving investors a full trading day to digest numbers before U.S. market activity. The company did not disclose whether it will host a conference call; market participants said they expect a management briefing to follow in short order.