{"filing":{"accession_number":"0001654954-26-006206","cik":"0002039972","ticker":"GMTL","company_name":"Guardian Metal Resources PLC","form":"6-K","filing_date":"2026-06-26","report_date":null,"primary_document":"a8577j.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/2039972/000165495426006206/a8577j.htm"},"events":[{"id":14083,"run_id":12522,"accession_number":"0001654954-26-006206","anchor_item_number":null,"event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"summary":"Guardian Metal announced the imminent publication of a Pre-Feasibility Study (PFS) for its Pilot Mountain Tungsten Project on 30 June 2026, marking a significant development milestone. The PFS is supported by a $6.2M U.S. Department of Defense Title III investment and represents a material operational and strategic advancement toward developing the first new domestically mined U.S. tungsten operation in over 15 years. This is a material operational milestone rather than a discrete event type (not earnings, M\u0026A, litigation, or governance), warranting classification as operational_other.","company_name":"Guardian Metal Resources PLC","ticker":"GMTL","filing_date":"2026-06-26","form":"6-K","submitted_at":null,"items":null}],"classifications":[{"id":11414,"accession_number":"0001654954-26-006206","item_number":null,"item_title":null,"event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"Guardian Metal announced the imminent publication of a Pre-Feasibility Study (PFS) for its Pilot Mountain Tungsten Project on 30 June 2026, marking a significant development milestone. The PFS is supported by a $6.2M U.S. Department of Defense Title III investment and represents a material operational and strategic advancement toward developing the first new domestically mined U.S. tungsten operation in over 15 years. This is a material operational milestone rather than a discrete event type (not earnings, M\u0026A, litigation, or governance), warranting classification as operational_other.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-06-26T10:08:07.536398+00:00","company_name":"Guardian Metal Resources PLC","ticker":"GMTL","filing_date":"2026-06-26"}]}