{"filing":{"accession_number":"0000950142-26-002797","cik":"0000886986","ticker":"TCKRF","company_name":"TECK RESOURCES LTD","form":"6-K","filing_date":"2026-10-21","report_date":"2026-10-21","primary_document":"eh260846168_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/886986/000095014226002797/eh260846168_6k.htm"},"events":[{"id":36681,"run_id":33825,"accession_number":"0000950142-26-002797","anchor_item_number":"EX-99.1","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"summary":"Teck disclosed receipt of strike notice from United Steelworkers Local 7619 at Highland Valley Copper Operations, with strike action authorized to begin October 24, 2026. This is a material operational and labor disruption event affecting a major copper operation. While not fitting a specific named category, it is clearly operational in nature and would materially affect investor assessment of production continuity and financial performance.","company_name":"TECK RESOURCES LTD","ticker":"TCKRF","filing_date":"2026-10-21","form":"6-K","submitted_at":null,"items":[{"id":41180,"accession_number":"0000950142-26-002797","item_number":"EX-99.1","item_title":"eh260846168_ex9901.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"Teck disclosed receipt of strike notice from United Steelworkers Local 7619 at Highland Valley Copper Operations, with strike action authorized to begin October 24, 2026. This is a material operational and labor disruption event affecting a major copper operation. While not fitting a specific named category, it is clearly operational in nature and would materially affect investor assessment of production continuity and financial performance.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-10-21T18:16:37.212029+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":41180,"accession_number":"0000950142-26-002797","item_number":"EX-99.1","item_title":"eh260846168_ex9901.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"Teck disclosed receipt of strike notice from United Steelworkers Local 7619 at Highland Valley Copper Operations, with strike action authorized to begin October 24, 2026. This is a material operational and labor disruption event affecting a major copper operation. While not fitting a specific named category, it is clearly operational in nature and would materially affect investor assessment of production continuity and financial performance.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-10-21T18:16:37.212029+00:00","company_name":"TECK RESOURCES LTD","ticker":"TCKRF","filing_date":"2026-10-21"}]}