{"filing":{"accession_number":"0001279569-26-000557","cik":"0001641229","ticker":"FFMGF","company_name":"First Mining Gold Corp.","form":"6-K","filing_date":"2026-06-16","report_date":null,"primary_document":"firstmining6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1641229/000127956926000557/firstmining6k.htm"},"events":[{"id":12350,"run_id":10918,"accession_number":"0001279569-26-000557","anchor_item_number":"EX-99.1","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"summary":"This news release announces a landmark infrastructure agreement between First Mining Gold and Cat Lake First Nation to develop an all-season access road to support the Springpole Gold Project. The company has committed up to $4 million to fund permitting, engineering, and design work starting summer 2026. While this is a material operational and strategic milestone for the Springpole Project's development—described by the CEO as \"a definitive step forward\"—it does not fit the specific event categories of M\u0026A activity, debt issuance, workforce reduction, or other named types. It is clearly an operational/strategic business event involving a material partnership and infrastructure commitment essential to project viability.","company_name":"First Mining Gold Corp.","ticker":"FFMGF","filing_date":"2026-06-16","form":"6-K","submitted_at":null,"items":[{"id":9175,"accession_number":"0001279569-26-000557","item_number":"EX-99.1","item_title":"ex991.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"This news release announces a landmark infrastructure agreement between First Mining Gold and Cat Lake First Nation to develop an all-season access road to support the Springpole Gold Project. The company has committed up to $4 million to fund permitting, engineering, and design work starting summer 2026. While this is a material operational and strategic milestone for the Springpole Project's development—described by the CEO as \"a definitive step forward\"—it does not fit the specific event categories of M\u0026A activity, debt issuance, workforce reduction, or other named types. It is clearly an operational/strategic business event involving a material partnership and infrastructure commitment essential to project viability.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-06-22T02:39:45.331411+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":9175,"accession_number":"0001279569-26-000557","item_number":"EX-99.1","item_title":"ex991.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"This news release announces a landmark infrastructure agreement between First Mining Gold and Cat Lake First Nation to develop an all-season access road to support the Springpole Gold Project. The company has committed up to $4 million to fund permitting, engineering, and design work starting summer 2026. While this is a material operational and strategic milestone for the Springpole Project's development—described by the CEO as \"a definitive step forward\"—it does not fit the specific event categories of M\u0026A activity, debt issuance, workforce reduction, or other named types. It is clearly an operational/strategic business event involving a material partnership and infrastructure commitment essential to project viability.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-06-22T02:39:45.331411+00:00","company_name":"First Mining Gold Corp.","ticker":"FFMGF","filing_date":"2026-06-16"}]}