{"filing":{"accession_number":"0001171843-26-004196","cik":"0001131383","ticker":"STN","company_name":"STANTEC INC","form":"6-K","filing_date":"2026-06-18","report_date":null,"primary_document":"f6k_061826.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1131383/000117184326004196/f6k_061826.htm"},"events":[{"id":12065,"run_id":10625,"accession_number":"0001171843-26-004196","anchor_item_number":"EX-99.1","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"summary":"The filing discloses the appointment of Susan Reisbord as president and chief executive officer effective October 1, 2026. Although Gordon A. Johnston's retirement is also mentioned, the principal disclosed action is Reisbord's appointment to the CEO role, which is a named executive position. The filing explicitly identifies this as a \"Material Change\" under Canadian securities law, and CEO succession is material to investors' assessment of the company's leadership and strategic direction.","company_name":"STANTEC INC","ticker":"STN","filing_date":"2026-06-18","form":"6-K","submitted_at":null,"items":[{"id":8808,"accession_number":"0001171843-26-004196","item_number":"EX-99.1","item_title":"exh_991.htm","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The filing discloses the appointment of Susan Reisbord as president and chief executive officer effective October 1, 2026. Although Gordon A. Johnston's retirement is also mentioned, the principal disclosed action is Reisbord's appointment to the CEO role, which is a named executive position. The filing explicitly identifies this as a \"Material Change\" under Canadian securities law, and CEO succession is material to investors' assessment of the company's leadership and strategic direction.","classifier_version":"claude-haiku-4-5-20251001+prompt-08fd3440","taxonomy_version":"v1.2","classified_at":"2026-06-21T18:59:34.294056+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":8808,"accession_number":"0001171843-26-004196","item_number":"EX-99.1","item_title":"exh_991.htm","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The filing discloses the appointment of Susan Reisbord as president and chief executive officer effective October 1, 2026. Although Gordon A. Johnston's retirement is also mentioned, the principal disclosed action is Reisbord's appointment to the CEO role, which is a named executive position. The filing explicitly identifies this as a \"Material Change\" under Canadian securities law, and CEO succession is material to investors' assessment of the company's leadership and strategic direction.","classifier_version":"claude-haiku-4-5-20251001+prompt-08fd3440","taxonomy_version":"v1.2","classified_at":"2026-06-21T18:59:34.294056+00:00","company_name":"STANTEC INC","ticker":"STN","filing_date":"2026-06-18"}]}