{"filing":{"accession_number":"0001140361-26-026029","cik":"0001896084","ticker":"GSCCF","company_name":"ioneer Ltd","form":"6-K","filing_date":"2026-06-23","report_date":null,"primary_document":"ef20076610_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1896084/000114036126026029/ef20076610_6k.htm"},"events":[{"id":12990,"run_id":11532,"accession_number":"0001140361-26-026029","anchor_item_number":"EX-99.1","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"summary":"Ioneer announced entry into non-binding letters of intent with KIND and Hyundai Engineering to advance the Rhyolite Ridge Lithium-Boron Project toward a Final Investment Decision. While the LOIs are explicitly non-binding and create no legal obligations, they represent a material strategic partnership milestone with major Korean entities that strengthens the path to project financing and construction. This is an operational/strategic business development event that would affect a reasonable investor's assessment of project execution risk and financing prospects.","company_name":"ioneer Ltd","ticker":"GSCCF","filing_date":"2026-06-23","form":"6-K","submitted_at":null,"items":[{"id":10004,"accession_number":"0001140361-26-026029","item_number":"EX-99.1","item_title":"ef20076610_ex99-1.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"Ioneer announced entry into non-binding letters of intent with KIND and Hyundai Engineering to advance the Rhyolite Ridge Lithium-Boron Project toward a Final Investment Decision. While the LOIs are explicitly non-binding and create no legal obligations, they represent a material strategic partnership milestone with major Korean entities that strengthens the path to project financing and construction. This is an operational/strategic business development event that would affect a reasonable investor's assessment of project execution risk and financing prospects.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-06-23T11:39:37.287257+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":10004,"accession_number":"0001140361-26-026029","item_number":"EX-99.1","item_title":"ef20076610_ex99-1.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"Ioneer announced entry into non-binding letters of intent with KIND and Hyundai Engineering to advance the Rhyolite Ridge Lithium-Boron Project toward a Final Investment Decision. While the LOIs are explicitly non-binding and create no legal obligations, they represent a material strategic partnership milestone with major Korean entities that strengthens the path to project financing and construction. This is an operational/strategic business development event that would affect a reasonable investor's assessment of project execution risk and financing prospects.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-06-23T11:39:37.287257+00:00","company_name":"ioneer Ltd","ticker":"GSCCF","filing_date":"2026-06-23"}]}