{"filing":{"accession_number":"0001279569-26-000828","cik":"0001641229","ticker":"FFMGF","company_name":"First Mining Gold Corp.","form":"6-K","filing_date":"2026-08-25","report_date":"2026-08-25","primary_document":"firstmining6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1641229/000127956926000828/firstmining6k.htm"},"events":[{"id":29431,"run_id":26951,"accession_number":"0001279569-26-000828","anchor_item_number":"EX-99.1","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"summary":"First Mining has entered into a Project Agreement with Slate Falls Nation governing development of the Springpole Gold Project, a major gold resource in northwestern Ontario. The agreement establishes collaborative frameworks for environmental management, employment, training, business opportunities, and financial benefit-sharing with the First Nation. This is a material operational and strategic milestone for advancing one of Canada's largest gold projects, following the federal Environmental Assessment approval in June 2026, and does not fit a discrete event category (not M\u0026A, not a financing, not a governance change) but is clearly a significant operational/partnership development affecting the project's path to development.","company_name":"First Mining Gold Corp.","ticker":"FFMGF","filing_date":"2026-08-25","form":"6-K","submitted_at":null,"items":[{"id":31711,"accession_number":"0001279569-26-000828","item_number":"EX-99.1","item_title":"ex991.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"First Mining has entered into a Project Agreement with Slate Falls Nation governing development of the Springpole Gold Project, a major gold resource in northwestern Ontario. The agreement establishes collaborative frameworks for environmental management, employment, training, business opportunities, and financial benefit-sharing with the First Nation. This is a material operational and strategic milestone for advancing one of Canada's largest gold projects, following the federal Environmental Assessment approval in June 2026, and does not fit a discrete event category (not M\u0026A, not a financing, not a governance change) but is clearly a significant operational/partnership development affecting the project's path to development.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-25T19:55:43.936250+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":31711,"accession_number":"0001279569-26-000828","item_number":"EX-99.1","item_title":"ex991.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"First Mining has entered into a Project Agreement with Slate Falls Nation governing development of the Springpole Gold Project, a major gold resource in northwestern Ontario. The agreement establishes collaborative frameworks for environmental management, employment, training, business opportunities, and financial benefit-sharing with the First Nation. This is a material operational and strategic milestone for advancing one of Canada's largest gold projects, following the federal Environmental Assessment approval in June 2026, and does not fit a discrete event category (not M\u0026A, not a financing, not a governance change) but is clearly a significant operational/partnership development affecting the project's path to development.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-25T19:55:43.936250+00:00","company_name":"First Mining Gold Corp.","ticker":"FFMGF","filing_date":"2026-08-25"}]}