{"filing":{"accession_number":"0001104659-26-109361","cik":"0001537137","ticker":"SLI","company_name":"STANDARD LITHIUM LTD.","form":"6-K","filing_date":"2026-09-21","report_date":"2026-09-21","primary_document":"tm2625594d1_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1537137/000110465926109361/tm2625594d1_6k.htm"},"events":[{"id":34078,"run_id":31370,"accession_number":"0001104659-26-109361","anchor_item_number":"EX-99.1","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"summary":"Karen Narwold's resignation from the Board of Directors effective September 15, 2026, is disclosed as a material change under Canadian Form 51-102F3. The departure of a director is a governance event that affects board composition and requires disclosure under securities regulations. The Company explicitly identifies this as a \"Material Change\" and notes the Board will be reduced from nine to eight directors, triggering a search for a replacement.","company_name":"STANDARD LITHIUM LTD.","ticker":"SLI","filing_date":"2026-09-21","form":"6-K","submitted_at":null,"items":[{"id":37708,"accession_number":"0001104659-26-109361","item_number":"EX-99.1","item_title":"tm2625594d1_ex99-1.htm","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"Karen Narwold's resignation from the Board of Directors effective September 15, 2026, is disclosed as a material change under Canadian Form 51-102F3. The departure of a director is a governance event that affects board composition and requires disclosure under securities regulations. The Company explicitly identifies this as a \"Material Change\" and notes the Board will be reduced from nine to eight directors, triggering a search for a replacement.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-21T21:11:46.713176+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":37708,"accession_number":"0001104659-26-109361","item_number":"EX-99.1","item_title":"tm2625594d1_ex99-1.htm","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"Karen Narwold's resignation from the Board of Directors effective September 15, 2026, is disclosed as a material change under Canadian Form 51-102F3. The departure of a director is a governance event that affects board composition and requires disclosure under securities regulations. The Company explicitly identifies this as a \"Material Change\" and notes the Board will be reduced from nine to eight directors, triggering a search for a replacement.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-21T21:11:46.713176+00:00","company_name":"STANDARD LITHIUM LTD.","ticker":"SLI","filing_date":"2026-09-21"}]}