{"entity":{"type":"insider","cik":"0001823513","url":"/insider/0001823513","json_url":"/insider/0001823513.json","name":"Sayward Shelley E.","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":19,"n_filings":12,"first":"2021-02-26","last":"2026-03-16","span_basis":"filed_date"},"name_variants":[{"name":"Sayward Shelley E.","source":"filing","n_filings":12,"first_seen":"2021-02-26","last_seen":"2026-03-16"}],"transactions":[{"id":6005516,"accession":"0001823513-26-000004","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001823513-26-000004","line_url":"/filing/0001823513-26-000004#line-3","is_derivative":false,"issuer_cik":"0000911177","issuer_name":"CASELLA WASTE SYSTEMS INC","issuer_ticker":"CWST","issuer_name_source":null,"issuer_url":"/issuer/0000911177","owner_cik":"0001823513","owner_name":"Sayward Shelley E.","owner_display_name":"Sayward Shelley E.","owner_url":"/insider/0001823513","role":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark":"O","role_mark_label":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SENIOR VP & GENERAL COUNSEL","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":362.0,"shares_display":"362","price_per_share":87.73,"price_display":"87.73","price_state":"stated","total_value":31758.26,"total_display":"31,758.26","total_whole":"31,758","shares_owned_after":28369.0,"shares_owned_after_display":"28,369","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-03-16","filed_date":"2026-03-16","scope":"insider"},{"id":6005512,"accession":"0001823513-26-000004","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001823513-26-000004","line_url":"/filing/0001823513-26-000004#line-2","is_derivative":false,"issuer_cik":"0000911177","issuer_name":"CASELLA WASTE SYSTEMS INC","issuer_ticker":"CWST","issuer_name_source":null,"issuer_url":"/issuer/0000911177","owner_cik":"0001823513","owner_name":"Sayward Shelley E.","owner_display_name":"Sayward Shelley E.","owner_url":"/insider/0001823513","role":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark":"O","role_mark_label":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SENIOR VP & GENERAL COUNSEL","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":129.0,"shares_display":"129","price_per_share":89.71,"price_display":"89.71","price_state":"stated","total_value":11572.59,"total_display":"11,572.59","total_whole":"11,573","shares_owned_after":28731.0,"shares_owned_after_display":"28,731","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-03-12","filed_date":"2026-03-16","scope":"insider"},{"id":6201050,"accession":"0001823513-26-000002","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001823513-26-000002","line_url":"/filing/0001823513-26-000002#line-2","is_derivative":false,"issuer_cik":"0000911177","issuer_name":"CASELLA WASTE SYSTEMS INC","issuer_ticker":"CWST","issuer_name_source":null,"issuer_url":"/issuer/0000911177","owner_cik":"0001823513","owner_name":"Sayward Shelley E.","owner_display_name":"Sayward Shelley E.","owner_url":"/insider/0001823513","role":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark":"O","role_mark_label":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SENIOR VP & GENERAL COUNSEL","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1591.0,"shares_display":"1,591","price_per_share":92.91,"price_display":"92.91","price_state":"stated","total_value":147819.81,"total_display":"147,819.81","total_whole":"147,820","shares_owned_after":27206.0,"shares_owned_after_display":"27,206","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-02-27","filed_date":"2026-03-02","scope":"insider"},{"id":4128815,"accession":"0000911177-25-000064","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0000911177-25-000064","line_url":"/filing/0000911177-25-000064#line-4","is_derivative":false,"issuer_cik":"0000911177","issuer_name":"CASELLA WASTE SYSTEMS INC","issuer_ticker":"CWST","issuer_name_source":null,"issuer_url":"/issuer/0000911177","owner_cik":"0001823513","owner_name":"Sayward Shelley E.","owner_display_name":"Sayward Shelley E.","owner_url":"/insider/0001823513","role":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark":"O","role_mark_label":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SENIOR VP & GENERAL COUNSEL","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":206.0,"shares_display":"206","price_per_share":103.95,"price_display":"103.95","price_state":"stated","total_value":21413.7,"total_display":"21,413.70","total_whole":"21,414","shares_owned_after":24199.0,"shares_owned_after_display":"24,199","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-03-13","filed_date":"2025-03-14","scope":"insider"},{"id":4128809,"accession":"0000911177-25-000064","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0000911177-25-000064","line_url":"/filing/0000911177-25-000064","is_derivative":false,"issuer_cik":"0000911177","issuer_name":"CASELLA WASTE SYSTEMS INC","issuer_ticker":"CWST","issuer_name_source":null,"issuer_url":"/issuer/0000911177","owner_cik":"0001823513","owner_name":"Sayward Shelley E.","owner_display_name":"Sayward Shelley E.","owner_url":"/insider/0001823513","role":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark":"O","role_mark_label":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SENIOR VP & GENERAL COUNSEL","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":381.0,"shares_display":"381","price_per_share":106.63144356955381,"price_display":"106.63","price_state":"stated","total_value":40626.58,"total_display":"40,626.58","total_whole":"40,627","shares_owned_after":24571.0,"shares_owned_after_display":"24,571","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-03-12","filed_date":"2025-03-14","scope":"insider","n_lines":2},{"id":5105095,"accession":"0000911177-25-000037","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000911177-25-000037","line_url":"/filing/0000911177-25-000037#line-2","is_derivative":false,"issuer_cik":"0000911177","issuer_name":"CASELLA WASTE SYSTEMS INC","issuer_ticker":"CWST","issuer_name_source":null,"issuer_url":"/issuer/0000911177","owner_cik":"0001823513","owner_name":"Sayward Shelley E.","owner_display_name":"Sayward Shelley E.","owner_url":"/insider/0001823513","role":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark":"O","role_mark_label":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SENIOR VP & GENERAL COUNSEL","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1938.0,"shares_display":"1,938","price_per_share":113.35,"price_display":"113.35","price_state":"stated","total_value":219672.3,"total_display":"219,672.30","total_whole":"219,672","shares_owned_after":23716.0,"shares_owned_after_display":"23,716","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-03-03","filed_date":"2025-03-03","scope":"insider"},{"id":3199996,"accession":"0000911177-24-000044","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0000911177-24-000044","line_url":"/filing/0000911177-24-000044#line-3","is_derivative":false,"issuer_cik":"0000911177","issuer_name":"CASELLA WASTE SYSTEMS INC","issuer_ticker":"CWST","issuer_name_source":null,"issuer_url":"/issuer/0000911177","owner_cik":"0001823513","owner_name":"Sayward Shelley E.","owner_display_name":"Sayward Shelley E.","owner_url":"/insider/0001823513","role":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark":"O","role_mark_label":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SENIOR VP & GENERAL COUNSEL","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":124.0,"shares_display":"124","price_per_share":93.81,"price_display":"93.81","price_state":"stated","total_value":11632.44,"total_display":"11,632.44","total_whole":"11,632","shares_owned_after":19287.0,"shares_owned_after_display":"19,287","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-03-14","filed_date":"2024-03-14","scope":"insider"},{"id":3199990,"accession":"0000911177-24-000044","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000911177-24-000044","line_url":"/filing/0000911177-24-000044#line-2","is_derivative":false,"issuer_cik":"0000911177","issuer_name":"CASELLA WASTE SYSTEMS INC","issuer_ticker":"CWST","issuer_name_source":null,"issuer_url":"/issuer/0000911177","owner_cik":"0001823513","owner_name":"Sayward Shelley E.","owner_display_name":"Sayward Shelley E.","owner_url":"/insider/0001823513","role":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark":"O","role_mark_label":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SENIOR VP & GENERAL COUNSEL","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":371.0,"shares_display":"371","price_per_share":94.32,"price_display":"94.32","price_state":"stated","total_value":34992.72,"total_display":"34,992.72","total_whole":"34,993","shares_owned_after":19411.0,"shares_owned_after_display":"19,411","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-03-13","filed_date":"2024-03-14","scope":"insider"},{"id":2233398,"accession":"0000911177-24-000021","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000911177-24-000021","line_url":"/filing/0000911177-24-000021#line-2","is_derivative":false,"issuer_cik":"0000911177","issuer_name":"CASELLA WASTE SYSTEMS INC","issuer_ticker":"CWST","issuer_name_source":null,"issuer_url":"/issuer/0000911177","owner_cik":"0001823513","owner_name":"Sayward Shelley E.","owner_display_name":"Sayward Shelley E.","owner_url":"/insider/0001823513","role":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark":"O","role_mark_label":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SENIOR VP & GENERAL COUNSEL","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1662.0,"shares_display":"1,662","price_per_share":90.0,"price_display":"90.00","price_state":"stated","total_value":149580.0,"total_display":"149,580.00","total_whole":"149,580","shares_owned_after":18584.0,"shares_owned_after_display":"18,584","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-02-29","filed_date":"2024-02-29","scope":"insider"},{"id":8039108,"accession":"0000911177-23-000044","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000911177-23-000044","line_url":"/filing/0000911177-23-000044#line-1","is_derivative":false,"issuer_cik":"0000911177","issuer_name":"CASELLA WASTE SYSTEMS INC","issuer_ticker":"CWST","issuer_name_source":null,"issuer_url":"/issuer/0000911177","owner_cik":"0001823513","owner_name":"Sayward Shelley E.","owner_display_name":"Sayward Shelley E.","owner_url":"/insider/0001823513","role":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark":"O","role_mark_label":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SENIOR VP & GENERAL COUNSEL","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":243.0,"shares_display":"243","price_per_share":82.23,"price_display":"82.23","price_state":"stated","total_value":19981.89,"total_display":"19,981.89","total_whole":"19,982","shares_owned_after":15146.0,"shares_owned_after_display":"15,146","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-03-15","filed_date":"2023-03-16","scope":"insider"},{"id":8721288,"accession":"0000911177-23-000019","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0000911177-23-000019","line_url":"/filing/0000911177-23-000019","is_derivative":false,"issuer_cik":"0000911177","issuer_name":"CASELLA WASTE SYSTEMS INC","issuer_ticker":"CWST","issuer_name_source":null,"issuer_url":"/issuer/0000911177","owner_cik":"0001823513","owner_name":"Sayward Shelley E.","owner_display_name":"Sayward Shelley E.","owner_url":"/insider/0001823513","role":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark":"O","role_mark_label":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SENIOR VP & GENERAL COUNSEL","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":494.0,"shares_display":"494","price_per_share":75.64706477732794,"price_display":"75.65","price_state":"stated","total_value":37369.65,"total_display":"37,369.65","total_whole":"37,370","shares_owned_after":14299.0,"shares_owned_after_display":"14,299","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-02-23","filed_date":"2023-02-24","scope":"insider","n_lines":2},{"id":6315271,"accession":"0001415889-22-003053","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001415889-22-003053","line_url":"/filing/0001415889-22-003053","is_derivative":false,"issuer_cik":"0000911177","issuer_name":"CASELLA WASTE SYSTEMS INC","issuer_ticker":"CWST","issuer_name_source":null,"issuer_url":"/issuer/0000911177","owner_cik":"0001823513","owner_name":"Sayward Shelley E.","owner_display_name":"Sayward Shelley E.","owner_url":"/insider/0001823513","role":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark":"O","role_mark_label":"Officer (SENIOR VP & GENERAL COUNSEL)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SENIOR VP & GENERAL COUNSEL","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":191.0,"shares_display":"191","price_per_share":87.41701570680628,"price_display":"87.42","price_state":"stated","total_value":16696.65,"total_display":"16,696.65","total_whole":"16,697","shares_owned_after":13093.0,"shares_owned_after_display":"13,093","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-03-15","filed_date":"2022-03-16","scope":"insider","n_lines":2},{"id":6367186,"accession":"0001179110-22-001643","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001179110-22-001643","line_url":"/filing/0001179110-22-001643","is_derivative":false,"issuer_cik":"0000911177","issuer_name":"CASELLA WASTE SYSTEMS INC","issuer_ticker":"CWST","issuer_name_source":null,"issuer_url":"/issuer/0000911177","owner_cik":"0001823513","owner_name":"Sayward Shelley E.","owner_display_name":"Sayward Shelley E.","owner_url":"/insider/0001823513","role":"Officer (Senior VP & General Counsel)","role_mark":"O","role_mark_label":"Officer (Senior VP & General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior VP & General Counsel","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":222.0,"shares_display":"222","price_per_share":70.33864864864864,"price_display":"70.34","price_state":"stated","total_value":15615.18,"total_display":"15,615.18","total_whole":"15,615","shares_owned_after":12310.0,"shares_owned_after_display":"12,310","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-02-24","filed_date":"2022-02-24","scope":"insider","n_lines":2},{"id":4135653,"accession":"0001179110-21-003466","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001179110-21-003466","line_url":"/filing/0001179110-21-003466#line-2","is_derivative":false,"issuer_cik":"0000911177","issuer_name":"CASELLA WASTE SYSTEMS INC","issuer_ticker":"CWST","issuer_name_source":null,"issuer_url":"/issuer/0000911177","owner_cik":"0001823513","owner_name":"Sayward Shelley E.","owner_display_name":"Sayward Shelley E.","owner_url":"/insider/0001823513","role":"Officer (Senior VP & General Counsel)","role_mark":"O","role_mark_label":"Officer (Senior VP & General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior VP & General Counsel","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":170.0,"shares_display":"170","price_per_share":64.49,"price_display":"64.49","price_state":"stated","total_value":10963.3,"total_display":"10,963.30","total_whole":"10,963","shares_owned_after":11817.0,"shares_owned_after_display":"11,817","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-03-16","filed_date":"2021-03-16","scope":"insider"},{"id":4519731,"accession":"0001179110-21-002360","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001179110-21-002360","line_url":"/filing/0001179110-21-002360#line-2","is_derivative":false,"issuer_cik":"0000911177","issuer_name":"CASELLA WASTE SYSTEMS INC","issuer_ticker":"CWST","issuer_name_source":null,"issuer_url":"/issuer/0000911177","owner_cik":"0001823513","owner_name":"Sayward Shelley E.","owner_display_name":"Sayward Shelley E.","owner_url":"/insider/0001823513","role":"Officer (Senior VP & General Counsel)","role_mark":"O","role_mark_label":"Officer (Senior VP & General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior VP & General Counsel","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":321.0,"shares_display":"321","price_per_share":60.44,"price_display":"60.44","price_state":"stated","total_value":19401.24,"total_display":"19,401.24","total_whole":"19,401","shares_owned_after":11214.0,"shares_owned_after_display":"11,214","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-02-25","filed_date":"2021-02-26","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":19,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":0,"open_market":true},{"code":"S","label":"Open-market sale","n":19,"open_market":true},{"code":"M","label":"Option exercise","n":0,"open_market":false},{"code":"A","label":"Grant or award","n":0,"open_market":false},{"code":"F","label":"Tax withholding","n":0,"open_market":false},{"code":"D","label":"Disposition to the issuer","n":0,"open_market":false},{"code":"X","label":"In-the-money option exercise","n":0,"open_market":false}],"total":19},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0000911177","name":"CASELLA WASTE SYSTEMS INC","url":"/issuer/0000911177","role":"Officer (SENIOR VP & GENERAL COUNSEL)","n_filings":12,"first_seen":"2021-02-26","last_seen":"2026-03-16"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001823513","retrieved_at":"2026-08-25T03:32:08+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-21","last_ingest":"2026-08-22T05:23:40.159918+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}