{"filing":{"accession_number":"0001104659-26-085989","cik":"0000016868","ticker":"CNI","company_name":"CANADIAN NATIONAL RAILWAY CO","form":"6-K","filing_date":"2026-07-22","report_date":null,"primary_document":"tm2621143d1_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/16868/000110465926085989/tm2621143d1_6k.htm"},"events":[{"id":19720,"run_id":17746,"accession_number":"0001104659-26-085989","anchor_item_number":null,"event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"summary":"CN and Union Pacific announced a binding Memorandum of Understanding granting CN expanded operating rights over Union Pacific's network between Memphis and Eagle Pass to support Canada-Mexico freight movements, while Union Pacific gains expanded rights over CN's EJ\u0026E corridor through Chicago. This is a material strategic partnership expanding CN's geographic reach and service offerings, but it is not a discrete M\u0026A transaction (no acquisition, merger, or change of control), making it an operational/strategic business event best classified as operational_other.","company_name":"CANADIAN NATIONAL RAILWAY CO","ticker":"CNI","filing_date":"2026-07-22","form":"6-K","submitted_at":null,"items":null}],"classifications":[{"id":18896,"accession_number":"0001104659-26-085989","item_number":null,"item_title":null,"event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"CN and Union Pacific announced a binding Memorandum of Understanding granting CN expanded operating rights over Union Pacific's network between Memphis and Eagle Pass to support Canada-Mexico freight movements, while Union Pacific gains expanded rights over CN's EJ\u0026E corridor through Chicago. This is a material strategic partnership expanding CN's geographic reach and service offerings, but it is not a discrete M\u0026A transaction (no acquisition, merger, or change of control), making it an operational/strategic business event best classified as operational_other.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-23T10:05:28.745399+00:00","company_name":"CANADIAN NATIONAL RAILWAY CO","ticker":"CNI","filing_date":"2026-07-22"}]}