{"schema_version":"secwatch.filing_event.v1","accession":"0000911177-21-000038","form_type":"8-K","ticker":"CWST","cik":"0000911177","company_name":"CASELLA WASTE SYSTEMS INC","filed_at":"2021-08-13T23:59:59+00:00","discovered_at":"2026-05-14T18:04:21.230804+00:00","generated_at":"2026-06-29T12:13:08.600357+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Casella Waste CAO announces retirement effective March 31, 2022","bullets":["Christopher B. Heald, VP and Chief Accounting Officer, to retire on March 31, 2022.","Heald will remain in an advisory capacity during a transition period.","Heald served the company for over 20 years."],"urls":{"canonical":"https://secwatch.observer/filing/0000911177-21-000038","json":"https://secwatch.observer/filing/0000911177-21-000038.json","markdown":"https://secwatch.observer/filing/0000911177-21-000038.md","text":"https://secwatch.observer/filing/0000911177-21-000038.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/911177/000091117721000038/0000911177-21-000038-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/911177/000091117721000038/cwst-20210812.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T12:13:08.600357+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":"6829872797","claim":"Christopher B. Heald retired as Vice President and Chief Accounting Officer at CASELLA WASTE SYSTEMS INC.","evidence_excerpt":"On August 12, 2021, Christopher B. Heald provided notice of his decision to retire as Vice President and Chief Accounting Officer of Casella Waste Systems, Inc. (the “Company”), effective March 31, 2022, after a 20 year career with the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/911177/000091117721000038/0000911177-21-000038-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"Vice President and 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"}