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Form 6-K Sigma Lithium Corp For: Mar 04

Thu, 05 Mar 2026 06:01:00 -0500

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Form 6-K Sigma Lithium Corp For: Mar 04

Thu, 05 Mar 2026 06:01:00 -0500

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Sigma Lithium to Release Fourth Quarter 2025 Earnings Results on March 30, 2026

Wed, 04 Mar 2026 18:30:00 -0500

São Paulo, Brazil--(Newsfile Corp. - March 4, 2026) - Sigma Lithium Corporation (TSXV: SGML) (NASDAQ: SGML) (BVMF: S2GM34), ("Sigma Lithium" or "the Company"), a leading global lithium producer dedicated to powering the next generation of electric batteries with socially and environmentally sustainable lithium concentrate, announces today that it will release its fourth quarter 2025 earnings results before the market opens on Monday, March 30, 2026.

The Company will hold a conference call to discuss its fourth quarter 2025 earnings results shortly after, on Monday, March 30, 2026, at 8:30 a.m. EST. Access to the call will be available via webcast. A link

Sigma Lithium to Release Fourth Quarter 2025 Earnings Results on March 30, 2026

Wed, 04 Mar 2026 18:30:00 -0500

Blue Orca shorts Sigma Lithium, citing undisclosed regulatory actions and creditor lawsuits

Thu, 26 Feb 2026 12:01:13 -0500

(Updated - February 26, 2026 12:01 PM EST)

Blue Orca shorts Sigma Lithium, citing undisclosed regulatory actions and creditor lawsuits

Via Blue Orca Capital X post: We are short Sigma Lithium (Nasdaq: SGML) because Brazilian court records reveal undisclosed regulatory actions by state and federal prosecutors, a trove of creditor lawsuits, and a bombshell technical report alleging the mine's safety is compromised.
LINK

Blue Orca shorts Sigma Lithium, citing undisclosed regulatory actions and creditor lawsuits

Thu, 26 Feb 2026 12:01:13 -0500

(Updated - February 26, 2026 12:01 PM EST)

Blue Orca shorts Sigma Lithium, citing undisclosed regulatory actions and creditor lawsuits

Via Blue Orca Capital X post: We are short Sigma Lithium (Nasdaq: SGML) because Brazilian court records reveal undisclosed regulatory actions by state and federal prosecutors, a trove of creditor lawsuits, and a bombshell technical report alleging the mine's safety is compromised.
LINK

Form 6-K Sigma Lithium Corp For: Feb 23

Mon, 23 Feb 2026 14:01:00 -0500

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Form 6-K Sigma Lithium Corp For: Feb 23

Mon, 23 Feb 2026 14:01:00 -0500

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Sigma Lithium Co-Chairperson and CEO to Present at 2026 BMO Global Metals & Mining Conference; Provides Production Guidance

Mon, 23 Feb 2026 14:00:00 -0500

HIGHLIGHTS

Sigma Lithium's Co-Chairperson and CEO, Ana Cabral, to present at the 2026 BMO Global Metals, Mining & Critical Minerals Conference, followed by a fireside chat with leading lithium research analyst Joel Jackson.

Company provides updated production guidance reflecting continued operational optimization and mining scale-up activities.
Success achieved with commercial initiatives led to resumption of planning for Phase 2 civil construction and equipment ordering during 2026.

Production guidance as follows:
- 12 months annualized forward production: 240,000 tonnes
- 24 months annualized forward production: 520,000 tonnes

São Paulo, Brazil--(Newsfile Corp. - February 23, 2026) - Sigma Lithium Corporation

Sigma Lithium Co-Chairperson and CEO to Present at 2026 BMO Global Metals & Mining Conference; Provides Production Guidance

Mon, 23 Feb 2026 14:00:00 -0500

HIGHLIGHTS
Sigma Lithium's Co-Chairperson and CEO, Ana Cabral, to present at the 2026 BMO Global Metals, Mining & Critical Minerals Conference, followed by a fireside chat with leading lithium research analyst Joel Jackson.
Company provides updated production guidance reflecting continued operational optimization and mining scale-up activities.

Success achieved with commercial initiatives led to resumption of planning for Phase 2 civil construction and equipment ordering during 2026.
Production guidance as follows:
12 months annualized forward production: 240,000 tonnes
24 months annualized forward production: 520,000 tonnes
São Paulo, Brazil--(Newsfile Corp. - February 23, 2026) - Sigma Lithium Corporation

Form 6-K Sigma Lithium Corp For: Feb 13

Fri, 13 Feb 2026 06:06:00 -0500
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Form 6-K Sigma Lithium Corp For: Feb 13

Fri, 13 Feb 2026 06:06:00 -0500
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Sigma Lithium secures sale of 150,000t lithium fines, $96M revolver

Fri, 13 Feb 2026 06:05:02 -0500

Sigma Lithium Corporation (NASDAQ: SGML) announced the sale of 150,000 tonnes of high purity lithium fines at $140 per tonne upon warehouse delivery at the port of Vitoria. The agreement includes an option for the buyer to purchase an additional 350,000 tonnes at market prices.
The company also reported the commencement of prepayments under a $96 million revolving credit facility backed by 70,500 tonnes of high-grade lithium oxide concentrate scheduled for delivery in 2026. The facility provides $8 million installments 30 days prior to production and delivery, with the first prepayment disbursed on January 13.
The lithium fines contain 1% lithium oxide

Sigma Lithium Announces Additional Sale of 150,000t plus 350,000t Optional of High Purity Lithium Fines; Production-Backed Revolver of US$96 Million

Fri, 13 Feb 2026 06:00:00 -0500

HIGHLIGHTS
The Company announces the sale of 150,000 tonnes of high purity lithium fines at US$140/t upon warehouse delivery at the port of Vitoria. The agreement includes an option to sell an additional 350,000 tonnes at market prices.
Sigma Lithium is pleased to report that the resumption of production cadence initiates client payments to the Company under the working capital revolver (of US$96 million) backed by 70,500 tonnes of high-grade lithium oxide concentrate to be supplied in 2026.
São Paulo, Brazil--(Newsfile Corp. - February 13, 2026) - Sigma Lithium Corporation (TSXV: SGML) (NASDAQ: SGML) (BVMF: S2GM34) ("Sigma Lithium"

Sigma Lithium Announces Additional Sale of 150,000t plus 350,000t Optional of High Purity Lithium Fines; Production-Backed Revolver of US$96 Million

Fri, 13 Feb 2026 06:00:00 -0500

HIGHLIGHTS
The Company announces the sale of 150,000 tonnes of high purity lithium fines at US$140/t upon warehouse delivery at the port of Vitoria. The agreement includes an option to sell an additional 350,000 tonnes at market prices.
Sigma Lithium is pleased to report that the resumption of production cadence initiates client payments to the Company under the working capital revolver (of US$96 million) backed by 70,500 tonnes of high-grade lithium oxide concentrate to be supplied in 2026.
São Paulo, Brazil--(Newsfile Corp. - February 13, 2026) - Sigma Lithium Corporation (TSXV: SGML) (NASDAQ: SGML) (BVMF: S2GM34) ("Sigma Lithium"

Form 6-K Sigma Lithium Corp For: Feb 04

Wed, 04 Feb 2026 06:05:00 -0500
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Form 6-K Sigma Lithium Corp For: Feb 04

Wed, 04 Feb 2026 06:05:00 -0500
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Sigma Lithium receives safety approval for waste piles from Brazil regulator

Wed, 04 Feb 2026 06:03:21 -0500

Sigma Lithium Corporation (NASDAQ: SGML) received an official technical statement from Brazil's National Mining Agency declaring the safety of its waste piles at mining operations.
The Agencia Nacional de Mineracao issued the statement on February 2 following inspections conducted on January 20. The regulator stated that inspections "did not identify geotechnical anomalies indicative of an imminent risk of global instability in the inspected structures."
The mining regulator concluded that "the legal prerequisites for adopting precautionary measures of closure have not been met" based on the absence of evidence of serious and imminent risk. The agency confirmed it found no basis for requiring

Sigma Lithium Highlights the Issuance of an Official Technical Statement Declaring the Safety of Its Waste Piles by Brazil's National Mining Agency

Wed, 04 Feb 2026 06:00:00 -0500

HIGHLIGHTS
Brazil's mining regulator, Agencia Nacional de Mineracao ("ANM or Mining Regulator") issued an official technical statement about Sigma Lithium's waste piles, directly attesting their safety.
The Mining Regulator unequivocally stated that it did not encounter any legal prerequisites for the adoption of precautionary measures of closure of Sigma Lithium's operations or waste piles.
ANM is the regulatory authority with powers over mining activities in Brazil. It is the body of the Brazilian Government with a team that is equipped with the capabilities to execute technical mining audits.
Sigma Lithium restates that the administrative enquiry opened by the

Sigma Lithium Highlights the Issuance of an Official Technical Statement Declaring the Safety of Its Waste Piles by Brazil's National Mining Agency

Wed, 04 Feb 2026 06:00:00 -0500

HIGHLIGHTS
Brazil's mining regulator, Agencia Nacional de Mineracao ("ANM or Mining Regulator") issued an official technical statement about Sigma Lithium's waste piles, directly attesting their safety.
The Mining Regulator unequivocally stated that it did not encounter any legal prerequisites for the adoption of precautionary measures of closure of Sigma Lithium's operations or waste piles.
ANM is the regulatory authority with powers over mining activities in Brazil. It is the body of the Brazilian Government with a team that is equipped with the capabilities to execute technical mining audits.
Sigma Lithium restates that the administrative enquiry opened by the

BofA Securities Upgrades Sigma Lithium Corp. (SGML) to Neutral

Tue, 03 Feb 2026 06:15:27 -0500
(Updated - February 3, 2026 6:15 AM EST)
BofA Securities analyst Rock Hoffman upgraded Sigma Lithium Corp. (NASDAQ: SGML) from Underperform to Neutral with a price target of $14.00.
The analyst comments "We are changing our view on Sigma Lithium following the news late last week, that the company has resumed mining activities, which meaningfully reduces the risk of further slippage to the timeline for producing sellable volumes. This alleviates a key operational overhang, though liquidity risk remains, as we continue to model a ~3 month ramp period before SGML reaches sellable nameplate production. During this period, cash generation would remain reliant

BofA Securities Upgrades Sigma Lithium Corp. (SGML) to Neutral

Tue, 03 Feb 2026 06:15:27 -0500
(Updated - February 3, 2026 6:15 AM EST)
BofA Securities analyst Rock Hoffman upgraded Sigma Lithium Corp. (NASDAQ: SGML) from Underperform to Neutral with a price target of $14.00.
The analyst comments "We are changing our view on Sigma Lithium following the news late last week, that the company has resumed mining activities, which meaningfully reduces the risk of further slippage to the timeline for producing sellable volumes. This alleviates a key operational overhang, though liquidity risk remains, as we continue to model a ~3 month ramp period before SGML reaches sellable nameplate production. During this period, cash generation would remain reliant

CORRECTION FROM SOURCE: Sigma Lithium Announces the Resumption of Mining Activities at Mine 1, with over 600 People Working on Site

Mon, 02 Feb 2026 12:07:00 -0500

HIGHLIGHTS
Sigma Lithium announces the resumption of mining activities at its Mine 1 in Vale do Jequitinhonha in Brazil, as scheduled.
This step successfully concludes the restructuring of mining operations aimed at increasing safety and operating efficiency, with the Company's technical leadership managing mining activities and planning, while incorporating a larger off-road mining fleet to match the increased production capacity achieved by the Greentech Industrial Plant.
The restructuring was financed in part by the commercial success of Sigma Lithium's high-purity low-grade lithium oxide concentrate fines, which can potentially generate equivalent proceeds to those of selling approximately 70,000t of Sigma Lithium's

CORRECTION FROM SOURCE: Sigma Lithium Announces the Resumption of Mining Activities at Mine 1, with over 600 People Working on Site

Mon, 02 Feb 2026 12:07:00 -0500

HIGHLIGHTS
Sigma Lithium announces the resumption of mining activities at its Mine 1 in Vale do Jequitinhonha in Brazil, as scheduled.
This step successfully concludes the restructuring of mining operations aimed at increasing safety and operating efficiency, with the Company's technical leadership managing mining activities and planning, while incorporating a larger off-road mining fleet to match the increased production capacity achieved by the Greentech Industrial Plant.
The restructuring was financed in part by the commercial success of Sigma Lithium's high-purity low-grade lithium oxide concentrate fines, which can potentially generate equivalent proceeds to those of selling approximately 70,000t of Sigma Lithium's

Form 6-K Sigma Lithium Corp For: Feb 02

Mon, 02 Feb 2026 09:34:00 -0500
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