{"filing":{"accession_number":"0001104659-26-083147","cik":"0001341335","ticker":"FSM","company_name":"FORTUNA MINING CORP.","form":"6-K","filing_date":"2026-07-13","report_date":null,"primary_document":"tm2620363d1_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1341335/000110465926083147/tm2620363d1_6k.htm"},"events":[{"id":17653,"run_id":15820,"accession_number":"0001104659-26-083147","anchor_item_number":"EX-99.1","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"summary":"Fortuna announced the filing of a feasibility study technical report for the Diamba Sud Gold Project in Senegal, supporting a previously announced feasibility study (June 29, 2026). This represents a material operational milestone for a mining company — advancement of a development-stage project through formal feasibility study completion and regulatory filing under NI 43-101. While not a discrete transaction (M\u0026A, debt, equity), it is a significant operational and strategic event that would affect investor assessment of the company's project pipeline and development progress.","company_name":"FORTUNA MINING CORP.","ticker":"FSM","filing_date":"2026-07-13","form":"6-K","submitted_at":null,"items":[{"id":16206,"accession_number":"0001104659-26-083147","item_number":"EX-99.1","item_title":"tm2620363d1_ex99-1.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"Fortuna announced the filing of a feasibility study technical report for the Diamba Sud Gold Project in Senegal, supporting a previously announced feasibility study (June 29, 2026). This represents a material operational milestone for a mining company — advancement of a development-stage project through formal feasibility study completion and regulatory filing under NI 43-101. While not a discrete transaction (M\u0026A, debt, equity), it is a significant operational and strategic event that would affect investor assessment of the company's project pipeline and development progress.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-13T21:06:41.430122+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":16206,"accession_number":"0001104659-26-083147","item_number":"EX-99.1","item_title":"tm2620363d1_ex99-1.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"Fortuna announced the filing of a feasibility study technical report for the Diamba Sud Gold Project in Senegal, supporting a previously announced feasibility study (June 29, 2026). This represents a material operational milestone for a mining company — advancement of a development-stage project through formal feasibility study completion and regulatory filing under NI 43-101. While not a discrete transaction (M\u0026A, debt, equity), it is a significant operational and strategic event that would affect investor assessment of the company's project pipeline and development progress.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-13T21:06:41.430122+00:00","company_name":"FORTUNA MINING CORP.","ticker":"FSM","filing_date":"2026-07-13"}]}