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Sigma Lithium (NASDAQ: SGML) schedules 2025 full-year earnings webcast

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Form Type
6-K

Rhea-AI Filing Summary

Sigma Lithium Corporation, a major producer of lithium oxide concentrate in the Americas, will host its 2025 full year earnings presentation call on March 30, 2026 at 7:30 a.m. EST, shortly after releasing results. The call will be accessible via live webcast, with a recording available about an hour later through the company’s investor relations website.

The company operates the Grota do Cirilo complex in Brazil, described as one of the world’s largest lithium production sites. Sigma Lithium highlights its Greentech Industrial Plant, which uses dry stacking, reuses all water, relies on renewable electricity and avoids toxic chemicals. It reports a nameplate capacity of 270,000 tonnes of lithium oxide concentrate per year, equivalent to roughly 38,000–40,000 tonnes of lithium carbonate equivalent, and has started building a second plant intended to double production capacity.

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

 

FORM 6-K

 

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR
15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

 

For the month of March 2026

 

Commission File Number: 001-40786

 

Sigma Lithium Corporation
(Translation of registrant's name into English)

 

181, Bay Street, Suite 4400
Toronto, Ontario, M5J 2T3, Canada

(Address of principal executive office)

 

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
Form 20-F [   ]      Form 40-F [X]

 

 

 

 

 

 

EXHIBIT INDEX

 

Exhibit  Description
   
99.1 Press Release dated March 29, 2026



 

 

 

 

 

 

 

 

SIGNATURES

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

 

        Sigma Lithium Corporation    
    (Registrant)
     
     
Date: March 29, 2026   /s/ Ana Cristina Cabral
    Ana Cristina Cabral
    Chief Executive Officer
     

 

 

 

 

 

SIGMA LITHIUM ANNOUNCES 2025 FULL YEAR
EARNINGS PRESENTATION CALL
ON MARCH 30 AT 7:30 AM EST


SUMMARY

·Event Title: Sigma Lithium Fourth Quarter 2025 Earnings Results Call
·Event Date: March 30, 2026
·Start Time: 7:30 a.m. EST
·Attendee URL: https://mzgroup.zoom.us/webinar/register/WN_-yfOrvFmTCqtQXGv6fVr5g

São Paulo, March 29, 2026 – Sigma Lithium Corporation (NASDAQ: SGML, TSX-V:SGML BVMF: S2GM34) (“Sigma Lithium” or the “Company”), the largest producer of lithium oxide concentrate in the Americas and dedicated to industrializing socially and environmentally sustainable lithium materials to supply global producers of batteries for energy security, will hold the Company’s 2025 full year earnings presentation call shortly after results release on Monday, March 30, 2026, at 7:30 a.m. EST.

Access to the call will be via live webcast and a recording will be available approximately an hour after the event.

A link to the live and the on-demand webcast will be available on Sigma Lithium’s website at:

https://ir.sigmalithiumcorp.com/events/

 

 

ABOUT SIGMA LITHIUM

Sigma Lithium Corporation (NASDAQ: SGML, TSXV: SGML, BVMF: S2GM34), (“Sigma Lithium” or “the Company”) is the largest 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 operates 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 is at the forefront of environmental and social sustainability in the electric battery materials supply chain. The Company’s Greentech Industrial Plant combines dry stacking, the reuse of 100% of water, zero use of toxic chemicals and the use of 100% renewable electricity. For more than two years Sigma Lithium has not experienced an accident with lost time.

Sigma Lithium currently has a nameplate capacity to produce 270,000 tonnes of lithium oxide concentrate on an annualized basis (approximately 38,000–40,000 tonnes of LCE) at its mine and state-of-the-art Greentech Industrial Plant. The Company has initiated the construction of a second plant to double its production capacity. For more information about Sigma Lithium, visit our website

(1)USGS.

 

FOR ADDITIONAL INFORMATION PLEASE CONTACT

Anna Hartley, Vice President of Global Banking and Investor Relations

anna.hartley@sigmalithium.com.br

+44 7866 458 093

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Mariana Bengtson, Investor Relations Manager

mariana.bengtson@sigmalithium.com.br

+55 11 9 2144 2750

 

Sigma Lithium

Sigma Lithium
@sigmalithium
@SigmaLithium

 

 

FORWARD-LOOKING STATEMENTS

 

This news release includes certain “forward-looking information” under applicable Canadian and U.S. securities legislation, including but not limited to statements relating to timing and costs related to the general business and operational outlook of the Company, the environmental footprint of tailings and positive ecosystem impact relating thereto, donation and upcycling of tailings, timing and quantities relating to tailings and Green Lithium, achievements and projections relating to the Zero Tailings strategy, achievement of ramp-up volumes, production estimates and the operational status of the Grota do Cirilo Project, and other forward-looking information. All statements that address future plans, activities, events, estimates, expectations or developments that the Company believes, expects or anticipates will or may occur is forward-looking information, including statements regarding the potential development of mineral resources and mineral reserves which may or may not occur. Forward-looking information contained herein is 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; the Company’s market position and future financial and operating performance; the Company’s estimates of mineral resources and mineral reserves, including whether mineral resources will ever be developed into mineral reserves; and the Company’s ability to operate its mineral projects including that the Company will not experience any materials or equipment shortages, any labor or service provider outages or delays or any technical issues. Although management believes that the assumptions and expectations reflected in the forward-looking information are reasonable, there can be no assurance that these assumptions and expectations will prove to be correct. Forward-looking information inherently involves and is subject to risks and uncertainties, including but not limited to that the market prices for lithium may not remain at current levels; and the market for electric vehicles and other large format batteries currently has limited market share and no assurances can be given for the rate at which this market will develop, if at all, which could affect the success of the Company and its ability to develop lithium operations. There can be no assurance that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking information. The Company disclaims any intention or obligation to update or revise any forward-looking information, whether because of new information, future events or otherwise, except as required by law. For more information on the risks, uncertainties and assumptions that could cause our actual results to differ from current expectations, please refer to the current annual information form of the Company and other public filings available under the Company’s profile at www.sedarplus.com.

 

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this news release.

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FAQ

When is Sigma Lithium (SGML) holding its 2025 full year earnings call?

Sigma Lithium will hold its 2025 full year earnings presentation call on March 30, 2026 at 7:30 a.m. EST. The call follows the release of results and will be available via live webcast and later as an on-demand recording on the company’s investor relations website.

How can investors access Sigma Lithium (SGML) 2025 earnings webcast?

Investors can access Sigma Lithium’s 2025 full year earnings presentation through a live webcast at 7:30 a.m. EST on March 30, 2026. A replay recording will be posted about an hour later, with both links available on the company’s investor relations events webpage.

What is Sigma Lithium’s current lithium production capacity at Grota do Cirilo?

Sigma Lithium reports a nameplate capacity of 270,000 tonnes of lithium oxide concentrate per year at Grota do Cirilo. This output is described as approximately 38,000–40,000 tonnes of lithium carbonate equivalent annually, supported by its Greentech Industrial Plant in Brazil.

What sustainability features does Sigma Lithium (SGML) highlight in its operations?

Sigma Lithium emphasizes several sustainability features, including dry stacking of tailings, reuse of 100% of water, zero use of toxic chemicals and reliance on 100% renewable electricity. The company also notes it has operated for more than two years without an accident resulting in lost time.

Is Sigma Lithium expanding its lithium production capacity in Brazil?

Yes. Sigma Lithium states it has initiated construction of a second plant at its Grota do Cirilo operation. This additional facility is intended to double the company’s current nameplate production capacity for lithium oxide concentrate once fully operational, expanding output beyond existing levels.

Where does Sigma Lithium (SGML) trade and what markets does it serve?

Sigma Lithium trades on NASDAQ and TSXV under SGML and on BVMF as S2GM34. The company produces lithium oxide concentrate in Brazil and focuses on supplying socially and environmentally sustainable lithium materials to global battery manufacturers supporting energy security and electric vehicle markets.

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