{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-22-124118","form_type":"8-K","ticker":"WCN","cik":"0001318220","company_name":"Waste Connections, Inc.","filed_at":"2022-12-02T23:59:59+00:00","discovered_at":"2026-05-14T18:03:50.111879+00:00","generated_at":"2026-06-21T10:08:23.065344+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Waste Connections names Matthew S. Black as SVP-Chief Accounting Officer, effective Feb 20, 2023","bullets":["Matthew S. Black appointed SVP – Chief Accounting Officer, effective Feb 20, 2023; previously SVP – Chief Tax Officer since 2006.","David G. Eddie transitions to SVP – Performance Optimization on the same date.","Compensation arrangements for the new roles not yet finalized.","No family relationships or arrangements with any director/executive officer."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-22-124118","json":"https://secwatch.observer/filing/0001104659-22-124118.json","markdown":"https://secwatch.observer/filing/0001104659-22-124118.md","text":"https://secwatch.observer/filing/0001104659-22-124118.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1318220/000110465922124118/0001104659-22-124118-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1318220/000110465922124118/tm2231607d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T10:08:23.065344+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"aff438fa5c","claim":"David G. Eddie changed role as Senior Vice President – Performance Optimization at Waste Connections, Inc..","evidence_excerpt":"Mr. Black will assume the role from David G. Eddie, who will transition on that same date to a new role of Senior Vice President – Performance Optimization.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1318220/000110465922124118/0001104659-22-124118-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"transitioned"},{"label":"Role","value":"Senior Vice President – Performance Optimization"}],"fact_type":"executive_change"},{"claim_id":"e1358622d7","claim":"Matthew S. Black was named as Senior Vice President – Chief Accounting Officer at Waste Connections, Inc..","evidence_excerpt":"On December 1, 2022, Waste Connections, Inc. (the “Company”) named Matthew S. Black as the Company’s Senior Vice President – Chief Accounting Officer, effective February 20, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1318220/000110465922124118/0001104659-22-124118-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"named"},{"label":"Role","value":"Senior Vice President – Chief Accounting Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}