{"filing":{"accession_number":"0001104659-26-075841","cik":"0001823255","ticker":"MINE","company_name":"MAYFAIR GOLD CORP.","form":"6-K","filing_date":"2026-06-18","report_date":null,"primary_document":"tm2618351d1_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1823255/000110465926075841/tm2618351d1_6k.htm"},"events":[{"id":12100,"run_id":10662,"accession_number":"0001104659-26-075841","anchor_item_number":"EX-99.1","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"summary":"This press release announces final results from a Grade Control drilling program at Mayfair's Fenn-Gib Project, validating the mineral reserve model and confirming ore-grade material characteristics. The disclosure is material to investors as it de-risks the project by confirming reserve estimates, validates early-years high-grade feed availability, and supports project financing discussions—all critical milestones for a development-stage gold company advancing toward 2028 construction. However, it does not fit neatly into standard event categories (not earnings, M\u0026A, impairment, or litigation), making it an operational/strategic milestone best classified as operational_other.","company_name":"MAYFAIR GOLD CORP.","ticker":"MINE","filing_date":"2026-06-18","form":"6-K","submitted_at":null,"items":[{"id":8858,"accession_number":"0001104659-26-075841","item_number":"EX-99.1","item_title":"tm2618351d1_ex99-1.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"This press release announces final results from a Grade Control drilling program at Mayfair's Fenn-Gib Project, validating the mineral reserve model and confirming ore-grade material characteristics. The disclosure is material to investors as it de-risks the project by confirming reserve estimates, validates early-years high-grade feed availability, and supports project financing discussions—all critical milestones for a development-stage gold company advancing toward 2028 construction. However, it does not fit neatly into standard event categories (not earnings, M\u0026A, impairment, or litigation), making it an operational/strategic milestone best classified as operational_other.","classifier_version":"claude-haiku-4-5-20251001+prompt-08fd3440","taxonomy_version":"v1.2","classified_at":"2026-06-21T19:02:48.717533+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":8858,"accession_number":"0001104659-26-075841","item_number":"EX-99.1","item_title":"tm2618351d1_ex99-1.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"This press release announces final results from a Grade Control drilling program at Mayfair's Fenn-Gib Project, validating the mineral reserve model and confirming ore-grade material characteristics. The disclosure is material to investors as it de-risks the project by confirming reserve estimates, validates early-years high-grade feed availability, and supports project financing discussions—all critical milestones for a development-stage gold company advancing toward 2028 construction. However, it does not fit neatly into standard event categories (not earnings, M\u0026A, impairment, or litigation), making it an operational/strategic milestone best classified as operational_other.","classifier_version":"claude-haiku-4-5-20251001+prompt-08fd3440","taxonomy_version":"v1.2","classified_at":"2026-06-21T19:02:48.717533+00:00","company_name":"MAYFAIR GOLD CORP.","ticker":"MINE","filing_date":"2026-06-18"}]}