{"filing":{"accession_number":"0001193125-26-397337","cik":"0001853962","ticker":"IAUX-WT","company_name":"i-80 Gold Corp.","form":"8-K","filing_date":"2026-09-22","report_date":"2026-09-21","primary_document":"d29391d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1853962/000119312526397337/d29391d8k.htm"},"events":[{"id":34230,"run_id":31499,"accession_number":"0001193125-26-397337","anchor_item_number":"8.01","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"summary":"The filing discloses an updated Pre-Feasibility Study (PFS) for the Granite Creek Underground Project, including updated mineral resource and reserve estimates, project economics (NPV of $118M after-tax, 8.5-year mine life, 485,000 oz total gold recovery), and detailed technical parameters. This represents a material operational and strategic milestone for the mining project, superseding the prior PEA from March 2025. The PFS demonstrates economic viability and provides the technical foundation for development decisions, making it material to investors' assessment of the company's mining operations and asset value.","company_name":"i-80 Gold Corp.","ticker":"IAUX-WT","filing_date":"2026-09-22","form":"8-K","submitted_at":null,"items":[{"id":37910,"accession_number":"0001193125-26-397337","item_number":"8.01","item_title":null,"event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"The filing discloses an updated Pre-Feasibility Study (PFS) for the Granite Creek Underground Project, including updated mineral resource and reserve estimates, project economics (NPV of $118M after-tax, 8.5-year mine life, 485,000 oz total gold recovery), and detailed technical parameters. This represents a material operational and strategic milestone for the mining project, superseding the prior PEA from March 2025. The PFS demonstrates economic viability and provides the technical foundation for development decisions, making it material to investors' assessment of the company's mining operations and asset value.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-22T13:27:43.722136+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":37910,"accession_number":"0001193125-26-397337","item_number":"8.01","item_title":null,"event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"The filing discloses an updated Pre-Feasibility Study (PFS) for the Granite Creek Underground Project, including updated mineral resource and reserve estimates, project economics (NPV of $118M after-tax, 8.5-year mine life, 485,000 oz total gold recovery), and detailed technical parameters. This represents a material operational and strategic milestone for the mining project, superseding the prior PEA from March 2025. The PFS demonstrates economic viability and provides the technical foundation for development decisions, making it material to investors' assessment of the company's mining operations and asset value.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-22T13:27:43.722136+00:00","company_name":"i-80 Gold Corp.","ticker":"IAUX-WT","filing_date":"2026-09-22"}]}