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Sigma Lithium Corp (TSX-V:SGML, NASDAQ:SGML, ASX:SAU) senior leaders took part in a series of forums during United Nations General Assembly High-Level Week and UN Climate Week in New York, where the company presented its "Quintuple Zero" approach to producing lithium oxide concentrate. The...

Toronto, Ontario--(Newsfile Corp. - September 28, 2026) - Sigma Lithium Corporation (NASDAQ: SGML) (ASX: SAU) (TSXV: SGML) (BVMF: S2GM34) ("Sigma Lithium" or the "Company"), the largest producer of industrial-mineral lithium oxide concentrate in the Americas¹ and dedicated to supplying global producers of batteries for energy security with sustainable and traceable lithium materials, announces that:Sigma Lithium Co-Chair, CEO and Vice Presidents ("Senior Leaders") joined UN-Energy members in...

Federal Deputy Célia Xakriabá publicly welcomed the Minas Gerais state government's decision this Thursday (24th) to suspend five environmental operating licenses held by Sigma Lithium. Addressing the regulatory enforcement on her social media channels, the congresswoman sharply criticized Sigma's prominent presence at New York Climate Week, where a company executive is scheduled to ring the Nasdaq closing bell.

In the most recent trading session, Sigma Lithium Corporation (SGML) closed at $9.95, indicating a -1.87% shift from the previous trading day.

About This EventSigma Lithium Corp (Nasdaq: SGML), is the largest industrial-mineral producer of lithium oxide concentrate in the Americas¹ and dedicated to industrializing socially and environmentally sustainable lithium materials to supply global producers of batteries for energy security. The Company runs one of the world’s largest lithium production sites-the fifth largest industrial-mineral complex for lithium oxide concentrate-at its Grota do Cirilo operation in Brazil.

Sigma Lithium Corp (TSX-V:SGML, NASDAQ:SGML) said JPMorgan has initiated equity research coverage on the company with an "Overweight" rating, citing a persistent industry deficit and an extended structural growth runway for the lithium producer. The bank's North America Metals & Mining...

Sigma Lithium Corp (TSX-V:SGML, NASDAQ:SGML) will ring the Nasdaq Closing Bell during New York Climate Week, the second time it has received the honor, recognizing its strategy to build the largest lithium oxide industrial mineral producer in the Americas. The ceremony coincides with the...

A Brazilian federal judge ordered the immediate suspension of all environmental licenses held by Sigma Mineração S.A., the operating subsidiary of Sigma Lithium Corporation (NASDAQ:SGML), for the Grota do Cirilo project. The September 4 preliminary order also halted mining activities following a civil action brought by the Federation of Quilombola Communities of Minas Gerais. The […]

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Detailed price information for Sigma Lithium Corp (SGML-Q) from The Globe and Mail including charting and trades.

Sigma Lithium (NASDAQ:SGML) shares fell nearly 12. 0% in premarket trading after a Brazilian federal court ordered the suspension of environmental permits and mining operations at the company’s Grota do Cirilo complex in Minas Gerais.

Sigma Lithium's (SGML) mining and industrial operations remain unaffected by a preliminary judicial

Sigma Lithium has disagreed with the court’s decision and said its operations are continuing while it prepares its legal defense.

HIGHLIGHTSSigma Lithium confirms that its mining and industrial activities continue to operate and that the Company remains focused on advancing its expansion plans and expecting to deliver 240,000t of lithium oxide concentrate within 12 months and 330,000t in FY 27. The Company clarifies that it has not received any legal communication in connection with a preliminary judicial ruling issued without due process, allegedly suspending the Company's environmental licenses.Reportedly issued by the..

Brazil court halts Sigma Lithium’s Grota do Cirilo mine over Quilombola community impact dispute—key operational risk for SGML investors.

HIGHLIGHTSSigma Lithium announces the approval of the listing by the Australian Securities Exchange ("ASX") as a Foreign Exempt Issuer.The official quotation of Sigma Lithium on ASX commenced at 12:00 p.m. (AEST) on Sept. 3, 2026, under the ticker symbol "SAU" (ASX: SAU).The Australian listing broadens Sigma Lithium's access to one of the world's most established capital markets for lithium and battery materials. The ASX has a long history as a platform for vertically integrated...

Detailed price information for Sigma Lithium Corporation (SGML-X) from The Globe and Mail including charting and trades.

HIGHLIGHTSThe Company's industrial and mining operations returned to being fully back online following the signature of a TAC Agreement.Sigma Lithium remains focused on ramping up mining operations and advancing its expansion plans, as per its 2Q 26 announcement:240,000t of lithium oxide concentrate within 12 months; and330,000t production in FY 27.The Company has greenlighted the next stage of upgrades of the haulage fleet in cooperation with their manufacturer SANY. Expects to increase fleet..

Detailed price information for Sigma Lithium Corp (SGML-Q) from The Globe and Mail including charting and trades.

Sigma Lithium has delivered a strong 77.2% return over the past year, yet its valuation checks present a mixed picture, as the Discounted Cash Flow (DCF) intrinsic value estimate points to moderate upside while the broader score is low. Over the past 12 months Sigma Lithium is up 77.2%, which puts more focus on whether the current share price already reflects the recent progress. Record profitability metrics and capacity expansion plans can support expectations for future cash flows, while...

Sigma Lithium Corporation reported past Q2 2026 results showing sales rising to US$54.7 million from US$16.89 million a year earlier, while quarterly net loss narrowed to US$2.64 million and first-half 2026 swung to net income of US$8.49 million. The company’s Q2 2026 performance combined record revenue, much higher EBITDA margins and production above guidance, underpinned by tighter cost control and progress on plant expansion plans despite temporary regulatory constraints in Brazil. We’ll...

Detailed price information for Sigma Lithium Corp (SGML-Q) from The Globe and Mail including charting and trades.

Motley Fool Press Release.

Sigma Lithium (NASDAQ:SGML) reported record second-quarter revenue and profitability as higher production volumes and lower costs supported margins, while the company also addressed a temporary suspension of mining and industrial operations tied to negotiations with the state of Minas Gerais. Chief

SIGMA LITHIUM (SGML) delivered earnings and revenue surprises of -113.33% and +1.30%, respectively, for the quarter ended June 2026. Do the numbers hold clues to what lies ahead for the stock?

FINANCIAL HIGHLIGHTS Sigma Lithium 2Q 26 delivers another record quarter of high profitability: Gross and operating margins remained high at 60% and 32% respectively.EBITDA margin at 47% was the highest in the Company's history and up from 39% in 1Q 26.Net revenues of US$55 million from the sale of 24,400t of lithium oxide concentrateRealized price of US$2,089 (SC5), up by 17% from US$1,790 in 1Q 26.Decreased costs, while upgrading mining operations, resulting from production growth to 35,400t..

Detailed price information for Sigma Lithium Corp (SGML-Q) from The Globe and Mail including charting and trades.

Sigma Lithium is set to report its fiscal Q2 earnings tomorrow before market open. Options pricing remains bullish on SGML shares heading into the quarterly print.

Detailed price information for Sigma Lithium Corp (SGML-Q) from The Globe and Mail including charting and trades.

HIGHLIGHTS Sigma Lithium's CEO, Ana Cabral, and Vale CEO, Gustavo Pimenta, presented at the S&P Global Energy Rio Market Briefing in a keynote conversation about critical minerals global supply chains. Highlighted their industrial-mineral operations as examples of capturing high margins within the critical minerals supply chain.Driving investments, jobs, economic development and social prosperity.Sigma Lithium's participation is a testament to the Company's leadership in the responsible...

Detailed price information for Sigma Lithium Corp (SGML-Q) from The Globe and Mail including charting and trades.