{"filing":{"accession_number":"0001171843-26-005480","cik":"0001537137","ticker":"SLI","company_name":"STANDARD LITHIUM LTD.","form":"6-K","filing_date":"2026-08-13","report_date":"2026-08-13","primary_document":"f6k_081326.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1537137/000117184326005480/f6k_081326.htm"},"events":[{"id":27542,"run_id":25111,"accession_number":"0001171843-26-005480","anchor_item_number":"EX-99.1","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"summary":"This press release announces successful downstream battery testing of lithium carbonate produced from Standard Lithium's South West Arkansas Project pilot plant, demonstrating the suitability of the company's product in real-world LFP battery cell manufacturing. The disclosure validates the SWA Project's process flowsheet and represents a material operational and technological milestone for a near-commercial lithium development company, though it is not a discrete M\u0026A transaction, financial result, or executive change.","company_name":"STANDARD LITHIUM LTD.","ticker":"SLI","filing_date":"2026-08-13","form":"6-K","submitted_at":null,"items":[{"id":29122,"accession_number":"0001171843-26-005480","item_number":"EX-99.1","item_title":"exh_991.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"This press release announces successful downstream battery testing of lithium carbonate produced from Standard Lithium's South West Arkansas Project pilot plant, demonstrating the suitability of the company's product in real-world LFP battery cell manufacturing. The disclosure validates the SWA Project's process flowsheet and represents a material operational and technological milestone for a near-commercial lithium development company, though it is not a discrete M\u0026A transaction, financial result, or executive change.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-13T12:15:42.830492+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":29122,"accession_number":"0001171843-26-005480","item_number":"EX-99.1","item_title":"exh_991.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"This press release announces successful downstream battery testing of lithium carbonate produced from Standard Lithium's South West Arkansas Project pilot plant, demonstrating the suitability of the company's product in real-world LFP battery cell manufacturing. The disclosure validates the SWA Project's process flowsheet and represents a material operational and technological milestone for a near-commercial lithium development company, though it is not a discrete M\u0026A transaction, financial result, or executive change.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-13T12:15:42.830492+00:00","company_name":"STANDARD LITHIUM LTD.","ticker":"SLI","filing_date":"2026-08-13"}]}