{"filing":{"accession_number":"0001279569-26-000832","cik":"0001641229","ticker":"FFMGF","company_name":"First Mining Gold Corp.","form":"6-K","filing_date":"2026-08-27","report_date":"2026-08-27","primary_document":"firstmining6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1641229/000127956926000832/firstmining6k.htm"},"events":[{"id":29898,"run_id":27395,"accession_number":"0001279569-26-000832","anchor_item_number":"EX-99.1","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"summary":"First Mining has signed a definitive Project Agreement with Cat Lake First Nation and Lac Seul First Nation covering all phases (construction, operations, closure) of the Springpole Gold Project. This is a material operational and strategic milestone that provides \"certainty for the Project's development path to construction and operation\" and establishes a long-term collaborative relationship with Indigenous communities. While not a discrete M\u0026A transaction, this agreement materially advances the project's permitting and development pathway and would affect a reasonable investor's assessment of project execution risk and timeline.","company_name":"First Mining Gold Corp.","ticker":"FFMGF","filing_date":"2026-08-27","form":"6-K","submitted_at":null,"items":[{"id":32327,"accession_number":"0001279569-26-000832","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 signed a definitive Project Agreement with Cat Lake First Nation and Lac Seul First Nation covering all phases (construction, operations, closure) of the Springpole Gold Project. This is a material operational and strategic milestone that provides \"certainty for the Project's development path to construction and operation\" and establishes a long-term collaborative relationship with Indigenous communities. While not a discrete M\u0026A transaction, this agreement materially advances the project's permitting and development pathway and would affect a reasonable investor's assessment of project execution risk and timeline.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-27T11:11:51.456099+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":32327,"accession_number":"0001279569-26-000832","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 signed a definitive Project Agreement with Cat Lake First Nation and Lac Seul First Nation covering all phases (construction, operations, closure) of the Springpole Gold Project. This is a material operational and strategic milestone that provides \"certainty for the Project's development path to construction and operation\" and establishes a long-term collaborative relationship with Indigenous communities. While not a discrete M\u0026A transaction, this agreement materially advances the project's permitting and development pathway and would affect a reasonable investor's assessment of project execution risk and timeline.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-27T11:11:51.456099+00:00","company_name":"First Mining Gold Corp.","ticker":"FFMGF","filing_date":"2026-08-27"}]}