Welcome to our dedicated page for Lithium Argentina SEC filings (Ticker: LAR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Lithium Argentina AG's filings document the disclosures of a foreign private issuer with lithium brine operations and development projects in Argentina. Form 6-K reports include operating and financial results, management discussion and analysis, interim financial statements, certifications, material change reports and news release exhibits.
The company's SEC record also includes S-K 1300 technical reports for Cauchari-Olaroz and the PPG Salars, covering resource estimates, geology, hydrologic modeling, recovery methods, infrastructure, permitting, capital and operating cost assumptions and project economics. Other filings document financing agreements, incorporation by reference into an S-8 registration statement, governance matters and capital-structure disclosure.
Lithium Argentina reported a major update to the Cauchari-Olaroz lithium brine project, increasing total measured and indicated resources by 42% to 28.1 Mt LCE at an average grade of 562 mg/L. Inferred resources more than doubled to 9.6 Mt LCE.
The new Technical Report also outlines 1.4 Mt LCE of proven and probable reserves, supporting Stage 1 production of 40,000 tpa LCE over an additional 35-year period from 2026–2060. Stage 1 is currently operating near its 40,000 tpa capacity with costs under $6,000 per tonne, versus reserve economics based on $18,000/tonne long-term pricing and operating costs of $5,411/tonne.
The company is advancing a Stage 2 plan targeting an extra 45,000 tpa LCE, with environmental permits and an application under Argentina’s RIGI incentive regime submitted in December 2025 and a Stage 2 scoping study expected by mid-2026.
Van Eck Associates Corporation filed a Schedule 13G reporting beneficial ownership of 9,630,921 common shares of Lithium Argentina AG (LAR), representing 5.93% of the class. The filer reports sole voting power over 9,630,921 shares and sole dispositive power over the same amount, with no shared voting or dispositive power.
Van Eck Associates Corporation is identified as a Delaware investment adviser (IA). The certification states the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control. The event date is 09/30/2025.
Lithium Argentina AG filed a Form 6-K furnishing its Q3 materials. The submission includes Condensed Consolidated Interim Financial Statements and Management’s Discussion and Analysis for the three and nine months ended September 30, 2025, along with related certifications, a news release, and expert consents.
The company states that Exhibits 99.1, 99.2, 99.6, 99.7, and 99.8 are incorporated by reference into its Form S-8 (File No. 333-282163). Lithium Argentina files annual reports under Form 20-F.
Ganfeng Lithium Group Co., Ltd. filed a Schedule 13G/A reporting beneficial ownership of 15,810,000 Common Shares of Lithium Argentina AG (LAR), representing 9.7% of the class as of June 30, 2025.
The shares are held of record by its wholly owned subsidiary, GFL International Co., Limited. Ganfeng reports 0 sole voting and dispositive power and 15,810,000 shared voting and shared dispositive power. The percentage is based on 162,360,000 Common Shares outstanding as of June 30, 2025, as reported by the issuer.
The submission is identified as Amendment No. 1 and corrects the form type of a prior filing made on October 16, 2025; aside from this explanatory note, the ownership details remain the same.
Ganfeng Lithium Group Co., Ltd. reported beneficial ownership of 15,000,000 common shares of Lithium Argentina AG (LAR) on a Schedule 13G, representing 16.9% of the class. The percentage reflects 88,727,885 shares outstanding as of December 31, 2018, as reported by the issuer. Ganfeng has shared voting and dispositive power over 15,000,000 shares and no sole power. The shares are held of record by its wholly owned subsidiary, GFL International Co., Limited. The filing references historical CUSIP 53680Q207 as of December 31, 2018; the issuer’s current CUSIP is H5012F103.
Ganfeng Lithium Group Co., Ltd. reported beneficial ownership of 15,810,000 common shares of Lithium Argentina AG (LAR), representing 9.7% of the class. The percentage is based on 162,360,000 shares outstanding as of June 30, 2025.
The shares are held of record by GFL International Co., Limited, a wholly owned subsidiary of Ganfeng. Ganfeng reports shared voting power: 15,810,000 and shared dispositive power: 15,810,000, with no sole voting or dispositive power.
Lithium Argentina AG submitted a Form 6-K as a foreign private issuer for September 2025. The report mainly updates investors by attaching three key documents: a news release dated August 12, 2025, a material change report dated August 22, 2025, and a framework agreement between GFL International Co., Limited and Lithium Argentina AG dated August 12, 2025. One of these exhibits, the material change report, is also incorporated by reference into the company’s existing Form S-8 registration statement.
Lithium Argentina AG filed a Form SD as a resource extraction issuer under Rule 13q-1 for the fiscal year ended December 31, 2024. The company states that the conflict minerals disclosure items are not applicable. Instead, it relies on Canada's Extractive Sector Transparency Measures Act (ESTMA) to meet its resource extraction payment disclosure requirements.
Lithium Argentina is using the alternative reporting option by furnishing its ESTMA report for the year ended December 31, 2024. That report is available on both the company’s website and the Government of Canada’s website, and the required payment disclosure is included as Exhibit 2.01 to this Form SD.