{"schema_version":"secwatch.filing_event.v1","accession":"0000911177-26-000052","form_type":"8-K","ticker":"CWST","cik":"0000911177","company_name":"CASELLA WASTE SYSTEMS INC","filed_at":"2026-10-01T12:21:54+00:00","discovered_at":"2026-10-01T12:25:00.502906+00:00","generated_at":"2026-10-12T14:16:45.052296+00:00","sec_items":["7.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Casella to close NCES Landfill Dec 31, 2026, a year early; Q4 amortization to rise","bullets":["North Country Environmental Services landfill in Bethlehem, New Hampshire will accept municipal solid waste for the last time on December 31, 2026, versus prior expectation of end-2027.","Company said it moved up the closure date after evaluating remaining permitted airspace, current and projected fill rates, and other operational factors.","The earlier Closure Date will result in a higher level of landfill amortization expense in the fourth quarter of 2026 than previously anticipated.","Casella said that added amortization expense is not expected to materially affect Q4 2026 or fiscal year ending December 31, 2026 financial results.","Customers, regulators and the Bethlehem host community were notified on October 1, 2026, per the Regulation FD disclosure."],"urls":{"canonical":"https://secwatch.observer/filing/0000911177-26-000052","json":"https://secwatch.observer/filing/0000911177-26-000052.json","markdown":"https://secwatch.observer/filing/0000911177-26-000052.md","text":"https://secwatch.observer/filing/0000911177-26-000052.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/911177/000091117726000052/0000911177-26-000052-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/911177/000091117726000052/cwst-20261001.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-10-12T14:16:45.052296+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}