STANDARD LITHIUM LTD. current report, Q3 FY2026

Business Context and Reporting Period

This Form 6-K filing by Standard Lithium Ltd. covers the month of September 2026, with the report dated September 21, 2026. The registrant is a Foreign Private Issuer based in Vancouver, British Columbia, Canada, and files annual reports under Form 40-F.

Financial Metrics

The filing text does not provide specific values for revenue, profit, cash flow, margins, debt, or liquidity. This report serves as a notification of a material change rather than a comprehensive financial statement.

Material Changes

The primary purpose of this filing is to incorporate by reference Exhibit 99.1, a Material Change Report dated September 15, 2026. The text of this Form 6-K does not detail the specific nature of the material change; it only confirms the existence and date of the report.

Guidance, Outlook, and Risks

The filing text does not contain management commentary, financial guidance, outlook, specific risks, contingencies, or unusual items. These details are presumed to be contained within the referenced Exhibit 99.1.

Key Facts for Investor Verification

  • Verify the specific content of the Material Change Report (Exhibit 99.1) dated September 15, 2026, as the details are not included in this summary text.
  • Confirm the impact of the material change on the company's ongoing operations and financial position.
  • Note that this filing updates Registration Statements on Form F-10EF (File No. 333-289110) and Form S-8 (File No. 333-262400).