{"transactions":[{"id":755932,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2026-06-02T21:42:10.000Z","date":"2026-06-01","kind":"gift","planned":false,"acquired":true,"shares":30800,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"by SLAT 2"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents a gift of shares to the Spousal Lifetime Access Trust (\"SLAT 2\") for the benefit of Mr. Casella. Mr. Casella is the trustee of the SLAT 2."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Held by the SLAT 2 for the benefit of Mr. Casella. Mr. Casella is the trustee of the SLAT 2."}],"balance_after":167800,"source":{"system":"sec-edgar","filing":"0001055352-26-000008","document":"wk-form4_1780436527.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/911177/000105535226000008/wk-form4_1780436527.xml","form_type":"4"}},{"id":755931,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2026-06-02T21:42:10.000Z","date":"2026-06-01","kind":"gift","planned":false,"acquired":false,"shares":30800,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Spouse"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents a gift of shares to the Spousal Lifetime Access Trust (\"SLAT 2\") for the benefit of Mr. Casella. Mr. Casella is the trustee of the SLAT 2."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Held by Mr. Casella's spouse.  Mr. Casella disclaims beneficial ownership of the securities indicated to the extent to which he does not have an actual pecuniary interest in such securities."}],"balance_after":26300,"source":{"system":"sec-edgar","filing":"0001055352-26-000008","document":"wk-form4_1780436527.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/911177/000105535226000008/wk-form4_1780436527.xml","form_type":"4"}},{"id":755930,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2026-06-02T21:42:10.000Z","date":"2026-06-01","kind":"gift","planned":false,"acquired":true,"shares":36200,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By SLAT"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents a gift of shares to the Spousal Lifetime Access Trust (\"SLAT\") for the benefit of Mr. Casella's spouse. Mr. Casella's spouse is the trustee of the SLAT."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Held by the SLAT for the benefit of Mr. Casella's spouse. Mr. Casella's spouse is the trustee of the SLAT. Mr. Casella disclaims beneficial ownership of the securities indicated to the extent to which he does not have an actual pecuniary interest in such securities."}],"balance_after":170200,"source":{"system":"sec-edgar","filing":"0001055352-26-000008","document":"wk-form4_1780436527.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/911177/000105535226000008/wk-form4_1780436527.xml","form_type":"4"}},{"id":755929,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2026-06-02T21:42:10.000Z","date":"2026-06-01","kind":"gift","planned":false,"acquired":false,"shares":36200,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents a gift of shares to the Spousal Lifetime Access Trust (\"SLAT\") for the benefit of Mr. Casella's spouse. Mr. Casella's spouse is the trustee of the SLAT."}],"balance_after":129800,"source":{"system":"sec-edgar","filing":"0001055352-26-000008","document":"wk-form4_1780436527.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000105535226000008/wk-form4_1780436527.xml","form_type":"4"}},{"id":842645,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-03-16T20:54:53.000Z","date":"2026-03-16","kind":"sale","planned":true,"acquired":false,"shares":1744,"price":87.77,"value":153070.88,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the sale of shares of Class A Common Stock pursuant to a \"sell-to-cover\" transaction in order to satisfy tax withholding obligations in connection with the vesting of RSUs previously granted to the reporting person. This sale was effected pursuant to an automatic sell-to-cover instruction adopted by the reporting person on August 22, 2023 and does not represent a discretionary sale by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $87.77 to $87.85. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":30795,"source":{"system":"sec-edgar","filing":"0001055352-26-000006","document":"wk-form4_1773694490.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/911177/000105535226000006/wk-form4_1773694490.xml","form_type":"4"}},{"id":842644,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-03-16T20:54:53.000Z","date":"2026-03-12","kind":"sale","planned":true,"acquired":false,"shares":963,"price":90.06,"value":86727.78,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the sale of shares of Class A Common Stock pursuant to a \"sell-to-cover\" transaction in order to satisfy tax withholding obligations in connection with the vesting of RSUs previously granted to the reporting person. This sale was effected pursuant to an automatic sell-to-cover instruction adopted by the reporting person on August 22, 2023 and does not represent a discretionary sale by the reporting person."}],"balance_after":32539,"source":{"system":"sec-edgar","filing":"0001055352-26-000006","document":"wk-form4_1773694490.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000105535226000006/wk-form4_1773694490.xml","form_type":"4"}},{"id":842643,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-03-16T20:54:53.000Z","date":"2026-03-12","kind":"grant","planned":true,"acquired":true,"shares":5513,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the award of Restricted Stock Units (RSUs) under the Casella Waste Systems, Inc. Amended and Restated 2016 Incentive Plan. Each RSU represents a contingent right to receive one share of Casella's Class A Common Stock. RSUs vest in three equal annual installments beginning on March 12, 2027."}],"balance_after":33502,"source":{"system":"sec-edgar","filing":"0001055352-26-000006","document":"wk-form4_1773694490.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000105535226000006/wk-form4_1773694490.xml","form_type":"4"}},{"id":875426,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2026-03-02T21:42:08.000Z","date":"2026-02-27","kind":"sale","planned":false,"acquired":false,"shares":6726,"price":93.1,"value":626190.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the sale of shares of Class A Common Stock pursuant to a \"sell-to-cover\" transaction in order to satisfy tax withholding obligations in connection with the vesting of PSUs previously granted to the reporting person on March 10, 2023. This sale was effected pursuant to an automatic sell-to-cover instruction adopted by the reporting person on August 22, 2023 and does not represent a discretionary sale by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $93.00 to $93.68. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":27989,"source":{"system":"sec-edgar","filing":"0001055352-26-000002","document":"wk-form4_1772487725.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000105535226000002/wk-form4_1772487725.xml","form_type":"4"}},{"id":875425,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2026-03-02T21:42:08.000Z","date":"2026-02-26","kind":"grant","planned":false,"acquired":true,"shares":23299,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Class A Common Stock acquired by the reporting person upon the vesting of performance-based stock units (PSUs) granted to the reporting person on March 10, 2023, as a result of the level of achievement by Casella Waste Systems, Inc. of certain performance objectives during the period running from January 1, 2025 through December 31, 2025, and a multiplier based on relative total shareholder return for the period running from January 1, 2023 to December 31, 2025, as certified by the issuer's compensation and human capital committee on February 26, 2026."}],"balance_after":34715,"source":{"system":"sec-edgar","filing":"0001055352-26-000002","document":"wk-form4_1772487725.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000105535226000002/wk-form4_1772487725.xml","form_type":"4"}},{"id":1154389,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2025-05-09T20:00:15.000Z","date":"2025-05-08","kind":"sale","planned":false,"acquired":false,"shares":18093,"price":119.87,"value":2168807.91,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $119.44 to $120.41. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":11416,"source":{"system":"sec-edgar","filing":"0000911177-25-000086","document":"wk-form4_1746820807.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117725000086/wk-form4_1746820807.xml","form_type":"4"}},{"id":1206738,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2025-03-14T20:16:10.000Z","date":"2025-03-13","kind":"sale","planned":true,"acquired":false,"shares":865,"price":104.23,"value":90158.95,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the sale of shares of Class A Common Stock pursuant to a \"sell-to-cover\" transaction in order to satisfy tax withholding obligations in connection with the vesting of RSUs previously granted to the reporting person. This sale was effected pursuant to an automatic sell-to-cover instruction adopted by the reporting person on August 22, 2023 and does not represent a discretionary sale by the reporting person."}],"balance_after":29509,"source":{"system":"sec-edgar","filing":"0000911177-25-000070","document":"wk-form4_1741983358.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117725000070/wk-form4_1741983358.xml","form_type":"4"}},{"id":1206737,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2025-03-14T20:16:10.000Z","date":"2025-03-12","kind":"sale","planned":true,"acquired":false,"shares":752,"price":106.38,"value":79997.76,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents the sale of shares of Class A Common Stock pursuant to a \"sell-to-cover\" transaction in order to satisfy tax withholding obligations in connection with the vesting of RSUs previously granted to the reporting person. This sale was effected pursuant to an automatic sell-to-cover instruction adopted by the reporting person on May 12, 2022 and does not represent a discretionary sale by the reporting person."}],"balance_after":30374,"source":{"system":"sec-edgar","filing":"0000911177-25-000070","document":"wk-form4_1741983358.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117725000070/wk-form4_1741983358.xml","form_type":"4"}},{"id":1206736,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2025-03-14T20:16:10.000Z","date":"2025-03-12","kind":"sale","planned":true,"acquired":false,"shares":1076,"price":107.94,"value":116143.44,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the sale of shares of Class A Common Stock pursuant to a \"sell-to-cover\" transaction in order to satisfy tax withholding obligations in connection with the vesting of RSUs previously granted to the reporting person. This sale was effected pursuant to an automatic sell-to-cover instruction adopted by the reporting person on August 22, 2023 and does not represent a discretionary sale by the reporting person."}],"balance_after":31126,"source":{"system":"sec-edgar","filing":"0000911177-25-000070","document":"wk-form4_1741983358.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117725000070/wk-form4_1741983358.xml","form_type":"4"}},{"id":1206735,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2025-03-14T20:16:10.000Z","date":"2025-03-12","kind":"grant","planned":true,"acquired":true,"shares":5944,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the award of Restricted Stock Units (RSUs) under the Casella Waste Systems, Inc. Amended and Restated 2016 Incentive Plan. Each RSU represents a contingent right to receive one share of Casella's Class A Common Stock. RSUs vest in three equal annual installments beginning on March 12, 2026."}],"balance_after":32202,"source":{"system":"sec-edgar","filing":"0000911177-25-000070","document":"wk-form4_1741983358.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117725000070/wk-form4_1741983358.xml","form_type":"4"}},{"id":1237114,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2025-03-03T21:28:01.000Z","date":"2025-03-03","kind":"sale","planned":false,"acquired":false,"shares":13577,"price":113.88,"value":1546148.76,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the sale of shares of Class A Common Stock pursuant to a \"sell-to-cover\" transaction in order to satisfy tax withholding obligations in connection with the vesting of PSUs previously granted to the reporting person on March 11, 2022. This sale was effected pursuant to an automatic sell-to-cover instruction adopted by the reporting person on May 12, 2022 and does not represent a discretionary sale by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $113.38 to $114.27. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":26258,"source":{"system":"sec-edgar","filing":"0000911177-25-000039","document":"wk-form4_1741037274.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117725000039/wk-form4_1741037274.xml","form_type":"4"}},{"id":1237113,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2025-03-03T21:28:01.000Z","date":"2025-02-27","kind":"grant","planned":false,"acquired":true,"shares":29106,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Class A Common Stock acquired by the reporting person upon the vesting of performance-based stock units (PSUs) granted to the reporting person on March 11, 2022, as a result of the level of achievement by the issuer of certain performance objectives during the period running from January 1, 2024 through December 31, 2024, and a multiplier based on relative total shareholder return for the period running from January 1, 2022 to December 31, 2024, as certified by the issuer's compensation and human capital committee on February 27, 2025."}],"balance_after":39835,"source":{"system":"sec-edgar","filing":"0000911177-25-000039","document":"wk-form4_1741037274.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117725000039/wk-form4_1741037274.xml","form_type":"4"}},{"id":1362598,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Employee Stock Option (right to buy)","published_at":"2024-11-18T21:39:33.000Z","date":"2024-11-14","kind":"exercise","planned":false,"acquired":false,"shares":27940,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The option vested on February 20, 2019."}],"balance_after":0,"derivative":{"exercise_price":12.48,"expiration_date":"2026-11-17","underlying":"Class A Common Stock","underlying_shares":27940},"source":{"system":"sec-edgar","filing":"0000911177-24-000108","document":"wk-form4_1731965966.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117724000108/wk-form4_1731965966.xml","form_type":"4"}},{"id":1362597,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2024-11-18T21:39:33.000Z","date":"2024-11-15","kind":"sale","planned":false,"acquired":false,"shares":2797,"price":107.15,"value":299698.55,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $107.00 to $107.25. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":10729,"source":{"system":"sec-edgar","filing":"0000911177-24-000108","document":"wk-form4_1731965966.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117724000108/wk-form4_1731965966.xml","form_type":"4"}},{"id":1362596,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2024-11-18T21:39:33.000Z","date":"2024-11-15","kind":"sale","planned":false,"acquired":false,"shares":24892,"price":106.32,"value":2646517.44,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $106.00 to $106.85. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":13526,"source":{"system":"sec-edgar","filing":"0000911177-24-000108","document":"wk-form4_1731965966.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117724000108/wk-form4_1731965966.xml","form_type":"4"}},{"id":1362595,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2024-11-18T21:39:33.000Z","date":"2024-11-14","kind":"sale","planned":false,"acquired":false,"shares":251,"price":108.84,"value":27318.84,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $108.50 to $108.837. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":38418,"source":{"system":"sec-edgar","filing":"0000911177-24-000108","document":"wk-form4_1731965966.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117724000108/wk-form4_1731965966.xml","form_type":"4"}},{"id":1362594,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2024-11-18T21:39:33.000Z","date":"2024-11-14","kind":"exercise","planned":false,"acquired":true,"shares":27940,"price":12.48,"value":348691.2,"ownership":{"direct":true},"balance_after":38669,"source":{"system":"sec-edgar","filing":"0000911177-24-000108","document":"wk-form4_1731965966.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117724000108/wk-form4_1731965966.xml","form_type":"4"}},{"id":1374605,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2024-11-06T21:13:25.000Z","date":"2024-11-05","kind":"sale","planned":false,"acquired":false,"shares":20810,"price":100.88,"value":2099312.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $100.44 to $101.37. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":10729,"source":{"system":"sec-edgar","filing":"0000911177-24-000096","document":"wk-form4_1730927593.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117724000096/wk-form4_1730927593.xml","form_type":"4"}},{"id":1374604,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2024-11-06T21:13:25.000Z","date":"2024-11-05","kind":"sale","planned":false,"acquired":false,"shares":2699,"price":100.13,"value":270250.87,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $99.44 to $100.40. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":31539,"source":{"system":"sec-edgar","filing":"0000911177-24-000096","document":"wk-form4_1730927593.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117724000096/wk-form4_1730927593.xml","form_type":"4"}},{"id":1577339,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2024-03-14T20:17:02.000Z","date":"2024-03-14","kind":"sale","planned":true,"acquired":false,"shares":951,"price":94.15,"value":89536.65,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Represents the sale of shares of Class A Common Stock pursuant to a \"sell-to-cover\" transaction in order to satisfy tax withholding obligations in connection with the vesting of RSUs previously granted to the reporting person. This sale was effected pursuant to an automatic sell-to-cover instruction adopted by the reporting person on August 23, 2021 and does not represent a discretionary sale by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $93.79 to $94.17. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":34238,"source":{"system":"sec-edgar","filing":"0000911177-24-000043","document":"wk-form4_1710447411.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117724000043/wk-form4_1710447411.xml","form_type":"4"}},{"id":1577338,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2024-03-14T20:17:02.000Z","date":"2024-03-13","kind":"sale","planned":true,"acquired":false,"shares":1673,"price":94.13,"value":157479.49,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the sale of shares of Class A Common Stock pursuant to a \"sell-to-cover\" transaction in order to satisfy tax withholding obligations in connection with the vesting of RSUs previously granted to the reporting person. This sale was effected pursuant to an automatic sell-to-cover instruction adopted by the reporting person on May 12, 2022 and August 22, 2023 and does not represent a discretionary sale by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $94.09 to $94.33. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":35189,"source":{"system":"sec-edgar","filing":"0000911177-24-000043","document":"wk-form4_1710447411.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117724000043/wk-form4_1710447411.xml","form_type":"4"}},{"id":1577337,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2024-03-14T20:17:02.000Z","date":"2024-03-12","kind":"grant","planned":true,"acquired":true,"shares":5060,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the award of Restricted Stock Units (RSUs) under the Casella Waste Systems, Inc. 2016 Incentive Plan. Each RSU represents a contingent right to receive one share of Casella's Class A Common\nStock. RSUs vest in three equal annual installments beginning on March 12, 2025."}],"balance_after":36862,"source":{"system":"sec-edgar","filing":"0000911177-24-000043","document":"wk-form4_1710447411.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117724000043/wk-form4_1710447411.xml","form_type":"4"}},{"id":1610938,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2024-02-29T21:35:27.000Z","date":"2024-02-28","kind":"sale","planned":false,"acquired":false,"shares":20300,"price":90.27,"value":1832481.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the sale of shares of Class A Common Stock pursuant to a \"sell-to-cover\" transaction in order to satisfy tax withholding obligations in connection with the vesting of PSUs previously granted to the reporting person on March 12, 2021. This sale was effected pursuant to an automatic sell-to-cover instruction adopted by the reporting person on August 23, 2021 and does not represent a discretionary sale by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $90.09 to $90.88. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":31802,"source":{"system":"sec-edgar","filing":"0000911177-24-000023","document":"wk-form4_1709242503.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117724000023/wk-form4_1709242503.xml","form_type":"4"}},{"id":1610937,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2024-02-29T21:35:27.000Z","date":"2024-02-27","kind":"grant","planned":false,"acquired":true,"shares":40803,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Class A Common Stock acquired by the reporting person upon the vesting of performance-based stock units (PSUs) granted to the reporting person on March 12, 2021, as a result of the level of achievement by the issuer of certain performance objectives during the period running from January 1, 2023 through December 31, 2023, and a multiplier based on relative total shareholder return for the period running from January 1, 2021 to December 31, 2023, as certified by the issuer's compensation and human capital committee on February 27, 2024."}],"balance_after":52102,"source":{"system":"sec-edgar","filing":"0000911177-24-000023","document":"wk-form4_1709242503.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117724000023/wk-form4_1709242503.xml","form_type":"4"}},{"id":1815291,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Employee Stock Option (right to buy)","published_at":"2023-08-04T20:06:25.000Z","date":"2023-08-03","kind":"exercise","planned":false,"acquired":false,"shares":724,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The option vested in three equal installments on December 13, 2014, 2015, 2016."}],"balance_after":0,"derivative":{"exercise_price":5.54,"expiration_date":"2023-12-12","underlying":"Class A Common Stock","underlying_shares":724},"source":{"system":"sec-edgar","filing":"0000911177-23-000105","document":"wk-form4_1691179574.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117723000105/wk-form4_1691179574.xml","form_type":"4"}},{"id":1815290,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2023-08-04T20:06:25.000Z","date":"2023-08-03","kind":"sale","planned":false,"acquired":false,"shares":724,"price":80.69,"value":58419.56,"ownership":{"direct":true},"balance_after":11299,"source":{"system":"sec-edgar","filing":"0000911177-23-000105","document":"wk-form4_1691179574.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117723000105/wk-form4_1691179574.xml","form_type":"4"}},{"id":1815289,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2023-08-04T20:06:25.000Z","date":"2023-08-03","kind":"exercise","planned":false,"acquired":true,"shares":724,"price":5.54,"value":4010.96,"ownership":{"direct":true},"balance_after":12023,"source":{"system":"sec-edgar","filing":"0000911177-23-000105","document":"wk-form4_1691179574.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117723000105/wk-form4_1691179574.xml","form_type":"4"}},{"id":1815288,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2023-08-04T20:06:25.000Z","date":"2023-08-02","kind":"sale","planned":false,"acquired":false,"shares":35732,"price":81.41,"value":2908942.12,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $81.35 to $81.54. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":11299,"source":{"system":"sec-edgar","filing":"0000911177-23-000105","document":"wk-form4_1691179574.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117723000105/wk-form4_1691179574.xml","form_type":"4"}},{"id":1950903,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2023-03-16T20:25:14.000Z","date":"2023-03-15","kind":"sale","acquired":false,"shares":3216,"price":82.23,"value":264451.68,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of Class A Common Stock automatically sold by the reporting person to satisfy tax withholding obligations in connection with the vesting of RSUs granted to the reporting person on March 12, 2020, March 12, 2021, and March 11, 2022. The automatic sale of the reporting person's shares of Class A Common Stock is provided for in a Restricted Stock Unit agreement constituting a \"sell-to-cover transaction\" intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Securities Exchange Act of 1934 and the sale does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $82.10 to $82.48. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":47031,"source":{"system":"sec-edgar","filing":"0000911177-23-000045","document":"wf-form4_167899829511553.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117723000045/wf-form4_167899829511553.xml","form_type":"4"}},{"id":1955296,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2023-03-14T21:49:08.000Z","date":"2023-03-10","kind":"grant","acquired":true,"shares":6298,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the award of Restricted Stock Units (RSUs) under the Casella Waste Systems, Inc. 2016 Incentive Plan. Each RSU represents a contingent right to receive one share of Casella's Class A Common Stock. RSUs vest in three equal annual installments beginning on March 10, 2024."}],"balance_after":50247,"source":{"system":"sec-edgar","filing":"0000911177-23-000030","document":"wf-form4_167883053552865.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117723000030/wf-form4_167883053552865.xml","form_type":"4"}},{"id":1994317,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2023-02-24T21:11:46.000Z","date":"2023-02-23","kind":"sale","acquired":false,"shares":10528,"price":76.22,"value":802444.16,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents shares of Class A Common Stock automatically sold by the reporting person to satisfy tax withholding obligations in connection with the vesting of PSUs granted to the reporting person on March 12, 2020. The automatic sale of the reporting person's shares of Class A Common Stock is provided for in a performance-based stock unit agreement constituting a \"sell-to-cover transaction\" intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Securities Exchange Act of 1934 and the sale does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $75.89 to $76.86. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":43949,"source":{"system":"sec-edgar","filing":"0000911177-23-000022","document":"wf-form4_167727307213922.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117723000022/wf-form4_167727307213922.xml","form_type":"4"}},{"id":1994316,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2023-02-24T21:11:46.000Z","date":"2023-02-23","kind":"sale","acquired":false,"shares":23438,"price":75.39,"value":1766990.82,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents shares of Class A Common Stock automatically sold by the reporting person to satisfy tax withholding obligations in connection with the vesting of PSUs granted to the reporting person on March 12, 2020. The automatic sale of the reporting person's shares of Class A Common Stock is provided for in a performance-based stock unit agreement constituting a \"sell-to-cover transaction\" intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Securities Exchange Act of 1934 and the sale does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $74.89 to $75.88. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":54477,"source":{"system":"sec-edgar","filing":"0000911177-23-000022","document":"wf-form4_167727307213922.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117723000022/wf-form4_167727307213922.xml","form_type":"4"}},{"id":1994315,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2023-02-24T21:11:46.000Z","date":"2023-02-22","kind":"grant","acquired":true,"shares":66314,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Class A Common Stock acquired by the reporting person upon the vesting of performance-based stock units (PSUs) granted to the reporting person on March 12, 2020, as a result of the level of achievement by Casella Waste Systems, Inc. of certain performance objectives during the period running from January 1, 2022 through December 31, 2022, and a multiplier based on relative total shareholder return for the period running from January 1, 2020 to December 31, 2022."}],"balance_after":77915,"source":{"system":"sec-edgar","filing":"0000911177-23-000022","document":"wf-form4_167727307213922.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117723000022/wf-form4_167727307213922.xml","form_type":"4"}},{"id":2048944,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class B Common Stock","published_at":"2023-01-23T21:17:22.000Z","date":"2022-12-02","kind":"gift","acquired":true,"shares":137000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"by SLAT 2"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents a gift of shares by Mr. Casella's spouse to a Spousal Lifetime Access Trust for the benefit of Mr. Casella (\"SLAT 2\"). Mr. Casella is the trustee of the SLAT 2."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Held by the SLAT 2 for the benefit of Mr. Casella. Mr. Casella is the trustee of the SLAT 2."}],"balance_after":137000,"source":{"system":"sec-edgar","filing":"0000911177-23-000004","document":"wf-form5_167450862778501.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117723000004/wf-form5_167450862778501.xml","form_type":"5"}},{"id":2048943,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class B Common Stock","published_at":"2023-01-23T21:17:22.000Z","date":"2022-12-02","kind":"gift","acquired":false,"shares":137000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Spouse"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents a gift of shares by Mr. Casella's spouse to a Spousal Lifetime Access Trust for the benefit of Mr. Casella (\"SLAT 2\"). Mr. Casella is the trustee of the SLAT 2."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Amount shown reflects an adjustment to correct an inadvertent administrative error that omitted 100 shares of the issuer's Class B Common Stock from columns 4 and 5 of Table I in the Form 4 filed by Mr. Casella on November 15, 2022 (\"Previous Form 4\").  Table I, column 4 of the Previous Form 4 correctly reported Mr. Casella's disposition of 194,100 shares of Class B Common Stock to his spouse as a gift, but the  corresponding acquisition of such shares by Mr. Casella's spouse was inadvertently reported as 194,000 shares of Class B Common Stock in Table I, column 4 as well as in Table I, column 5 reporting indirect beneficial ownership. In both cases, the amount should have been reported as 194,100 shares of Class B Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Held by Mr. Casella's spouse.  Mr. Casella disclaims beneficial ownership of the securities indicated to the extent to which he does not have an actual pecuniary interest in such securities."}],"balance_after":57100,"source":{"system":"sec-edgar","filing":"0000911177-23-000004","document":"wf-form5_167450862778501.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117723000004/wf-form5_167450862778501.xml","form_type":"5"}},{"id":2116905,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class B Common Stock","published_at":"2022-11-15T21:27:17.000Z","date":"2022-09-14","kind":"gift","acquired":true,"shares":134000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By SLAT"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Represents a gift of shares to a Spousal Lifetime Access Trust (\"SLAT\") for the benefit of Mr. Casella's spouse. Mr. Casella's spouse is the trustee of the SLAT."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Held by the SLAT for the benefit of Mr. Casella's spouse. Mr. Casella's spouse is the trustee of the SLAT. Mr. Casella disclaims beneficial ownership of the securities indicated to the extent to which he does not have an actual pecuniary interest in such securities."}],"balance_after":134000,"source":{"system":"sec-edgar","filing":"0000911177-22-000075","document":"wf-form4_166854761749128.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117722000075/wf-form4_166854761749128.xml","form_type":"4"}},{"id":2116904,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class B Common Stock","published_at":"2022-11-15T21:27:17.000Z","date":"2022-09-14","kind":"gift","acquired":true,"shares":194000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Spouse"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents a gift of shares to Mr. Casella's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Held by Mr. Casella's spouse.  Mr. Casella disclaims beneficial ownership of the securities indicated to the extent to which he does not have an actual pecuniary interest in such securities."}],"balance_after":194000,"source":{"system":"sec-edgar","filing":"0000911177-22-000075","document":"wf-form4_166854761749128.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117722000075/wf-form4_166854761749128.xml","form_type":"4"}},{"id":2116903,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class B Common Stock","published_at":"2022-11-15T21:27:17.000Z","date":"2022-09-14","kind":"gift","acquired":false,"shares":134000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Represents a gift of shares to a Spousal Lifetime Access Trust (\"SLAT\") for the benefit of Mr. Casella's spouse. Mr. Casella's spouse is the trustee of the SLAT."}],"balance_after":166000,"source":{"system":"sec-edgar","filing":"0000911177-22-000075","document":"wf-form4_166854761749128.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117722000075/wf-form4_166854761749128.xml","form_type":"4"}},{"id":2116902,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class B Common Stock","published_at":"2022-11-15T21:27:17.000Z","date":"2022-09-14","kind":"gift","acquired":false,"shares":194100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents a gift of shares to Mr. Casella's spouse."}],"balance_after":300000,"source":{"system":"sec-edgar","filing":"0000911177-22-000075","document":"wf-form4_166854761749128.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117722000075/wf-form4_166854761749128.xml","form_type":"4"}},{"id":2116901,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2022-11-15T21:27:17.000Z","date":"2022-11-10","kind":"sale","acquired":false,"shares":5127,"price":82.44,"value":422669.88,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $81.92 to $82.86. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":11601,"source":{"system":"sec-edgar","filing":"0000911177-22-000075","document":"wf-form4_166854761749128.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117722000075/wf-form4_166854761749128.xml","form_type":"4"}},{"id":2116900,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2022-11-15T21:27:17.000Z","date":"2022-11-10","kind":"sale","acquired":false,"shares":14258,"price":81.38,"value":1160316.04,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $80.79 to $81.77. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":16728,"source":{"system":"sec-edgar","filing":"0000911177-22-000075","document":"wf-form4_166854761749128.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000091117722000075/wf-form4_166854761749128.xml","form_type":"4"}},{"id":2331689,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2022-03-16T21:57:32.000Z","date":"2022-03-15","kind":"sale","acquired":false,"shares":303,"price":87.99,"value":26660.97,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of Class A Common Stock automatically sold by the reporting person to satisfy tax withholding obligations in connection with the vesting of RSUs granted to the reporting person on March 12, 2019, March 12, 2020, and March 12, 2021. The automatic sale of the reporting person's shares of Class A Common Stock is provided for in a Restricted Stock Unit agreement constituting a \"binding contract\" consistent with the affirmative defense to liability under Rule 10b5-1 and the sale does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $87.83 to $88.20. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":30986,"source":{"system":"sec-edgar","filing":"0001415889-22-003064","document":"form4-03162022_020323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000141588922003064/form4-03162022_020323.xml","form_type":"4"}},{"id":2331688,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2022-03-16T21:57:32.000Z","date":"2022-03-15","kind":"sale","acquired":false,"shares":2571,"price":87.35,"value":224576.85,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of Class A Common Stock automatically sold by the reporting person to satisfy tax withholding obligations in connection with the vesting of RSUs granted to the reporting person on March 12, 2019, March 12, 2020, and March 12, 2021. The automatic sale of the reporting person's shares of Class A Common Stock is provided for in a Restricted Stock Unit agreement constituting a \"binding contract\" consistent with the affirmative defense to liability under Rule 10b5-1 and the sale does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $86.83 to $87.80. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":31289,"source":{"system":"sec-edgar","filing":"0001415889-22-003064","document":"form4-03162022_020323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000141588922003064/form4-03162022_020323.xml","form_type":"4"}},{"id":2334236,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2022-03-15T22:29:10.000Z","date":"2022-03-14","kind":"sale","acquired":false,"shares":16044,"price":90.42,"value":1450698.48,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $90.00 to $90.66. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":33860,"source":{"system":"sec-edgar","filing":"0001415889-22-002982","document":"form4-03152022_030301.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000141588922002982/form4-03152022_030301.xml","form_type":"4"}},{"id":2334235,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2022-03-15T22:29:10.000Z","date":"2022-03-11","kind":"grant","acquired":true,"shares":4410,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the award of Restricted Stock Units (RSUs) under the Casella Waste Systems, Inc. 2016 Incentive Plan. Each RSU represents a contingent right to receive one share of Casella's Class A Common Stock. RSUs vest in three equal installments beginning on March 11, 2023."}],"balance_after":49904,"source":{"system":"sec-edgar","filing":"0001415889-22-002982","document":"form4-03152022_030301.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000141588922002982/form4-03152022_030301.xml","form_type":"4"}},{"id":2348753,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2022-03-07T18:23:04.000Z","date":"2019-05-03","kind":"sale","acquired":false,"shares":45124,"price":37.312,"value":1683666.688,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $36.95 to $37.89. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On May 7, 2019, the reporting person filed a Form 4 that inadvertently understated the number of shares of Class A Common Stock directly beneficially owned by the reporting person in Table I, column 5 by 6,548 shares. This amendment is being filed solely to correct the number of shares of Class A Common Stock directly beneficially owned in Table I, column 5. All of the Form 4s filed by the reporting person between May 7, 2019 and February 24, 2022 similarly understated the total number of shares of Class A Common Stock directly beneficially owned by the reporting person in Table I, column 5 by 6,548 shares and should be deemed amended by the filing of this amendment. As of the filing of this amendment, the reporting person directly beneficially owns 45,494 shares of Class A Common Stock."}],"balance_after":391640,"source":{"system":"sec-edgar","filing":"0001415889-22-002631","document":"form4a-03072022_100352.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/911177/000141588922002631/form4a-03072022_100352.xml","form_type":"4/A","original_submission_date":"2019-05-07"}},{"id":2348752,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2022-03-07T18:23:04.000Z","date":"2019-05-03","kind":"exercise","acquired":true,"shares":8012,"price":12.48,"value":99989.76,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On May 7, 2019, the reporting person filed a Form 4 that inadvertently understated the number of shares of Class A Common Stock directly beneficially owned by the reporting person in Table I, column 5 by 6,548 shares. This amendment is being filed solely to correct the number of shares of Class A Common Stock directly beneficially owned in Table I, column 5. All of the Form 4s filed by the reporting person between May 7, 2019 and February 24, 2022 similarly understated the total number of shares of Class A Common Stock directly beneficially owned by the reporting person in Table I, column 5 by 6,548 shares and should be deemed amended by the filing of this amendment. As of the filing of this amendment, the reporting person directly beneficially owns 45,494 shares of Class A Common Stock."}],"balance_after":436764,"source":{"system":"sec-edgar","filing":"0001415889-22-002631","document":"form4a-03072022_100352.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000141588922002631/form4a-03072022_100352.xml","form_type":"4/A","original_submission_date":"2019-05-07"}},{"id":2348751,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2022-03-07T18:23:04.000Z","date":"2019-05-03","kind":"exercise","acquired":true,"shares":16230,"price":5.54,"value":89914.2,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On May 7, 2019, the reporting person filed a Form 4 that inadvertently understated the number of shares of Class A Common Stock directly beneficially owned by the reporting person in Table I, column 5 by 6,548 shares. This amendment is being filed solely to correct the number of shares of Class A Common Stock directly beneficially owned in Table I, column 5. All of the Form 4s filed by the reporting person between May 7, 2019 and February 24, 2022 similarly understated the total number of shares of Class A Common Stock directly beneficially owned by the reporting person in Table I, column 5 by 6,548 shares and should be deemed amended by the filing of this amendment. As of the filing of this amendment, the reporting person directly beneficially owns 45,494 shares of Class A Common Stock."}],"balance_after":428752,"source":{"system":"sec-edgar","filing":"0001415889-22-002631","document":"form4a-03072022_100352.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000141588922002631/form4a-03072022_100352.xml","form_type":"4/A","original_submission_date":"2019-05-07"}},{"id":2376074,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2022-02-25T01:07:59.000Z","date":"2022-02-24","kind":"sale","acquired":false,"shares":1594,"price":71.08,"value":113301.52,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents shares of Class A Common Stock automatically sold by the reporting person to satisfy tax withholding obligations in connection with the vesting of PSUs granted to the reporting person on April 1, 2019. The automatic sale of the reporting person's shares of Class A Common Stock is provided for in a performance-based stock unit agreement constituting a \"binding contract\" consistent with the affirmative defense to liability under Rule 10b5-1 and the sale does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average sales price for shares sold in multiple transactions, at prices ranging from $71.00 to $71.39, inclusive. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":38946,"source":{"system":"sec-edgar","filing":"0001179110-22-001644","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911022001644/edgar.xml","form_type":"4"}},{"id":2376073,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2022-02-25T01:07:59.000Z","date":"2022-02-24","kind":"sale","acquired":false,"shares":30113,"price":70.3,"value":2116943.9,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents shares of Class A Common Stock automatically sold by the reporting person to satisfy tax withholding obligations in connection with the vesting of PSUs granted to the reporting person on April 1, 2019. The automatic sale of the reporting person's shares of Class A Common Stock is provided for in a performance-based stock unit agreement constituting a \"binding contract\" consistent with the affirmative defense to liability under Rule 10b5-1 and the sale does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sales price for shares sold in multiple transactions, at prices ranging from $70.00 to $70.99, inclusive. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":40540,"source":{"system":"sec-edgar","filing":"0001179110-22-001644","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911022001644/edgar.xml","form_type":"4"}},{"id":2376072,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2022-02-25T01:07:59.000Z","date":"2022-02-22","kind":"grant","acquired":true,"shares":61980,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Class A Common Stock acquired by the reporting person upon the vesting of performance-based stock units (PSUs) granted to the reporting person on April 1, 2019, as a result of the level of achievement by Casella Waste Systems, Inc. of certain performance objectives during the period running from January 1, 2021 through December 31, 2021, and a multiplier based on relative total shareholder return for the period running from January 1, 2019 to December 31, 2021."}],"balance_after":70653,"source":{"system":"sec-edgar","filing":"0001179110-22-001644","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911022001644/edgar.xml","form_type":"4"}},{"id":2612146,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-08-06T21:02:52.000Z","date":"2021-08-06","kind":"sale","acquired":false,"shares":23510,"price":68.67,"value":1614431.7,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $68.14 to $68.97. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":8673,"source":{"system":"sec-edgar","filing":"0001179110-21-008000","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911021008000/edgar.xml","form_type":"4"}},{"id":2612145,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-08-06T21:02:52.000Z","date":"2021-08-05","kind":"sale","acquired":false,"shares":20629,"price":68.36,"value":1410198.44,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $68.08 to $68.79. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":32183,"source":{"system":"sec-edgar","filing":"0001179110-21-008000","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911021008000/edgar.xml","form_type":"4"}},{"id":2612144,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-08-06T21:02:52.000Z","date":"2021-08-05","kind":"sale","acquired":false,"shares":28232,"price":68.31,"value":1928527.92,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $68.20 to $69.00. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":52812,"source":{"system":"sec-edgar","filing":"0001179110-21-008000","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911021008000/edgar.xml","form_type":"4"}},{"id":2612143,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-08-06T21:02:52.000Z","date":"2021-08-04","kind":"sale","acquired":false,"shares":1901,"price":69.46,"value":132043.46,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $69.25 to $69.73. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":81044,"source":{"system":"sec-edgar","filing":"0001179110-21-008000","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911021008000/edgar.xml","form_type":"4"}},{"id":2612142,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-08-06T21:02:52.000Z","date":"2021-08-04","kind":"sale","acquired":false,"shares":24516,"price":68.82,"value":1687191.12,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $68.22 to $69.18. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":82945,"source":{"system":"sec-edgar","filing":"0001179110-21-008000","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911021008000/edgar.xml","form_type":"4"}},{"id":2612141,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-08-06T21:02:52.000Z","date":"2021-08-04","kind":"sale","acquired":false,"shares":13446,"price":69.3,"value":931807.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $69.00 to $69.77. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":107461,"source":{"system":"sec-edgar","filing":"0001179110-21-008000","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911021008000/edgar.xml","form_type":"4"}},{"id":2787622,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-03-16T20:40:01.000Z","date":"2021-03-16","kind":"sale","acquired":false,"shares":5164,"price":64.49,"value":333026.36,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the automatic sale of shares of stock for tax withholding purposes pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 29, 2020, in connection with the vesting of RSUs on March 12, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $64.25 to $65.06. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":120907,"source":{"system":"sec-edgar","filing":"0001179110-21-003469","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911021003469/edgar.xml","form_type":"4"}},{"id":2787621,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-03-16T20:40:01.000Z","date":"2021-03-12","kind":"grant","acquired":true,"shares":6182,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the award of Restricted Stock Units (RSUs) under the Casella Waste Systems, Inc. 2016 Incentive Plan.  Each RSU represents a contingent right to receive one share of Casella's Class A Common Stock.  RSUs vest in three equal installments beginning on March 12, 2022."}],"balance_after":126071,"source":{"system":"sec-edgar","filing":"0001179110-21-003469","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911021003469/edgar.xml","form_type":"4"}},{"id":2830827,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-02-26T22:11:32.000Z","date":"2021-02-26","kind":"sale","acquired":false,"shares":15293,"price":59.07,"value":903357.51,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents the automatic sale of stock for tax withholding purposes pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 7, 2019, in connection with the vesting of PSUs on February 24, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sales price for shares sold in multiple transactions, at prices ranging from $58.17 to $60.15, inclusive.  Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full  information regarding the number of shares sold at each separate price."}],"balance_after":119889,"source":{"system":"sec-edgar","filing":"0001179110-21-002356","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911021002356/edgar.xml","form_type":"4"}},{"id":2830826,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-02-26T22:11:32.000Z","date":"2021-02-25","kind":"sale","acquired":false,"shares":16409,"price":60.44,"value":991759.96,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents the automatic sale of stock for tax withholding purposes pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 7, 2019, in connection with the vesting of PSUs on February 24, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average sales price for shares sold in multiple transactions, at prices ranging from $60.40 to $60.80, inclusive.  Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full  information regarding the number of shares sold at each separate price."}],"balance_after":135182,"source":{"system":"sec-edgar","filing":"0001179110-21-002356","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911021002356/edgar.xml","form_type":"4"}},{"id":2830825,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-02-26T22:11:32.000Z","date":"2021-02-24","kind":"grant","acquired":true,"shares":68355,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of Class A Common Stock acquired by the reporting person upon the vesting of performance-based stock units (PSUs) granted to the reporting person on March 12, 2018, as a result of the level of  achievement by Casella Waste Systems, Inc. of certain performance objectives during the period running from January 1, 2020 through December 31, 2020, and a multiplier based on relative total shareholder return for the period running from January 1, 2018 to December 31, 2020."}],"balance_after":151591,"source":{"system":"sec-edgar","filing":"0001179110-21-002356","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911021002356/edgar.xml","form_type":"4"}},{"id":3063957,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2020-08-10T18:05:46.000Z","date":"2020-08-06","kind":"sale","acquired":false,"shares":100000,"price":54.75,"value":5475000.0,"ownership":{"direct":true},"balance_after":83236,"source":{"system":"sec-edgar","filing":"0001179110-20-008820","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911020008820/edgar.xml","form_type":"4"}},{"id":3146149,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2020-05-18T21:09:05.000Z","date":"2020-05-18","kind":"sale","acquired":false,"shares":47159,"price":49.0004,"value":2310809.8636,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $49.00 to $49.07. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":183236,"source":{"system":"sec-edgar","filing":"0001179110-20-006249","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911020006249/edgar.xml","form_type":"4"}},{"id":3149619,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2020-05-14T19:49:57.000Z","date":"2020-05-12","kind":"sale","acquired":false,"shares":27847,"price":49.0454,"value":1365767.2538,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $49.00 to $49.245. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":230395,"source":{"system":"sec-edgar","filing":"0001179110-20-005979","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911020005979/edgar.xml","form_type":"4"}},{"id":3209672,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2020-03-16T20:31:55.000Z","date":"2020-03-13","kind":"sale","acquired":false,"shares":3654,"price":42.7722,"value":156289.6188,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents the automatic sale of shares of stock for tax withholding purposes pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 21, 2019, in connection with the vesting of RSUs on March 12, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $42.25 to $43.31. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":258242,"source":{"system":"sec-edgar","filing":"0001179110-20-003708","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911020003708/edgar.xml","form_type":"4"}},{"id":3209671,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2020-03-16T20:31:55.000Z","date":"2020-03-12","kind":"grant","acquired":true,"shares":9210,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the award of Restricted Stock Units (RSUs) under the Casella Waste Systems, Inc. 2016 Incentive Plan.  Each RSU represents a contingent right to receive one share of Casella's Class A Common Stock.  RSUs vest in three equal installments beginning on March 12, 2021."}],"balance_after":261896,"source":{"system":"sec-edgar","filing":"0001179110-20-003708","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911020003708/edgar.xml","form_type":"4"}},{"id":3225439,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2020-03-05T22:22:06.000Z","date":"2020-03-04","kind":"sale","acquired":false,"shares":71855,"price":51.021,"value":3666113.955,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Represents the weighted average sales price for shares sold in multiple transactions, at prices ranging from $50.70 to $51.41, inclusive. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":252686,"source":{"system":"sec-edgar","filing":"0001179110-20-003170","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911020003170/edgar.xml","form_type":"4"}},{"id":3225438,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2020-03-05T22:22:06.000Z","date":"2020-03-03","kind":"sale","acquired":false,"shares":4262,"price":49.14,"value":209434.68,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"Represents the automatic sale of stock for tax withholding purposes pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 18, 2017, in connection with the vesting of restricted stock units on February 28, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Represents the weighted average sales price for shares sold in multiple transactions, at prices ranging from $49.00 to $49.50, inclusive. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":324541,"source":{"system":"sec-edgar","filing":"0001179110-20-003170","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911020003170/edgar.xml","form_type":"4"}},{"id":3225437,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2020-03-05T22:22:06.000Z","date":"2020-03-03","kind":"sale","acquired":false,"shares":554,"price":48.826,"value":27049.604,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the automatic sale of stock for tax withholding purposes pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 14, 2017, in connection with the vesting of performance-based stock units on February 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average sales price for shares sold in multiple transactions, at prices ranging from $48.75 to $48.90, inclusive. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":328803,"source":{"system":"sec-edgar","filing":"0001179110-20-003170","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911020003170/edgar.xml","form_type":"4"}},{"id":3225436,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2020-03-05T22:22:06.000Z","date":"2020-03-03","kind":"sale","acquired":false,"shares":16066,"price":49.632,"value":797387.712,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the automatic sale of stock for tax withholding purposes pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 14, 2017, in connection with the vesting of performance-based stock units on February 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sales price for shares sold in multiple transactions, at prices ranging from $49.05 to $49.90, inclusive. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":329357,"source":{"system":"sec-edgar","filing":"0001179110-20-003170","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911020003170/edgar.xml","form_type":"4"}},{"id":3239422,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2020-03-02T22:58:44.000Z","date":"2020-03-02","kind":"sale","acquired":false,"shares":31947,"price":48.994,"value":1565211.318,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents the automatic sale of stock for tax withholding purposes pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 14, 2017, in connection with the vesting of PSUs on February 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sales price for shares sold in multiple transactions, at prices ranging from $48.75 to $49.25, inclusive. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":345423,"source":{"system":"sec-edgar","filing":"0001179110-20-002731","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911020002731/edgar.xml","form_type":"4"}},{"id":3239421,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2020-03-02T22:58:44.000Z","date":"2020-02-28","kind":"sale","acquired":false,"shares":22577,"price":49.186,"value":1110472.322,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents the automatic sale of stock for tax withholding purposes pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 14, 2017, in connection with the vesting of PSUs on February 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average sales price for shares sold in multiple transactions, at prices ranging from $49.00 to $49.47, inclusive. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":377370,"source":{"system":"sec-edgar","filing":"0001179110-20-002731","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911020002731/edgar.xml","form_type":"4"}},{"id":3239420,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2020-03-02T22:58:44.000Z","date":"2020-02-27","kind":"grant","acquired":true,"shares":138699,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of Class A Common Stock acquired by the reporting person upon the vesting of performance-based stock units (PSUs) granted to the reporting person on February 28, 2017, as a result of the level of achievement by Casella Waste Systems, Inc.  of certain performance objectives during the third year  of the three-year performance period running from January 1, 2017 to December 31, 2019, multiplied by a relative total shareholder return multiplier for the period running from January 1, 2017 to December 31, 2019."}],"balance_after":399947,"source":{"system":"sec-edgar","filing":"0001179110-20-002731","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911020002731/edgar.xml","form_type":"4"}},{"id":3443988,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2019-08-08T20:37:20.000Z","date":"2019-08-07","kind":"gift","acquired":false,"shares":25000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents a gift of shares to Mr. Casella's Philanthropy Fund."}],"balance_after":261248,"source":{"system":"sec-edgar","filing":"0001179110-19-009311","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019009311/edgar.xml","form_type":"4"}},{"id":3443987,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2019-08-08T20:37:20.000Z","date":"2019-08-06","kind":"sale","acquired":false,"shares":98844,"price":44.7006,"value":4418386.1064,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $44.50 to $45.16. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":286248,"source":{"system":"sec-edgar","filing":"0001179110-19-009311","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019009311/edgar.xml","form_type":"4"}},{"id":3536930,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2019-05-07T21:01:05.000Z","date":"2019-05-03","kind":"exercise","acquired":true,"shares":8012,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The option vested on February 20, 2019."}],"balance_after":0,"derivative":{"exercise_price":12.48,"expiration_date":"2026-11-17","underlying":"Class A Common Stock","underlying_shares":8012},"source":{"system":"sec-edgar","filing":"0001179110-19-005679","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019005679/edgar.xml","form_type":"4"}},{"id":3536929,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2019-05-07T21:01:05.000Z","date":"2019-05-03","kind":"exercise","acquired":true,"shares":16230,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option vested in one third increments; one third on December 13, 2014, one third on December 13, 2015 and one third on December 13, 2016."}],"balance_after":0,"derivative":{"exercise_price":5.54,"expiration_date":"2023-12-13","underlying":"Class A Common Stock","underlying_shares":16230},"source":{"system":"sec-edgar","filing":"0001179110-19-005679","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019005679/edgar.xml","form_type":"4"}},{"id":3536928,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2019-05-07T21:01:05.000Z","date":"2019-05-03","kind":"sale","acquired":false,"shares":45124,"price":37.312,"value":1683666.688,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $36.95 to $37.89. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":385092,"source":{"system":"sec-edgar","filing":"0001179110-19-005679","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019005679/edgar.xml","form_type":"4"}},{"id":3536927,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2019-05-07T21:01:05.000Z","date":"2019-05-03","kind":"exercise","acquired":true,"shares":8012,"price":12.48,"value":99989.76,"ownership":{"direct":true},"balance_after":430216,"source":{"system":"sec-edgar","filing":"0001179110-19-005679","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019005679/edgar.xml","form_type":"4"}},{"id":3536926,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2019-05-07T21:01:05.000Z","date":"2019-05-03","kind":"exercise","acquired":true,"shares":16230,"price":5.54,"value":89914.2,"ownership":{"direct":true},"balance_after":422204,"source":{"system":"sec-edgar","filing":"0001179110-19-005679","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019005679/edgar.xml","form_type":"4"}},{"id":3596131,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2019-03-14T20:24:28.000Z","date":"2019-03-13","kind":"sale","acquired":false,"shares":2150,"price":34.183,"value":73493.45,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents the automatic sale of shares of stock for tax withholding purposes pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 15, 2016, in connection with the vesting of RSUs on March 12, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $33.95 to $34.27. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":412522,"source":{"system":"sec-edgar","filing":"0001179110-19-003853","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019003853/edgar.xml","form_type":"4"}},{"id":3596130,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2019-03-14T20:24:28.000Z","date":"2019-03-12","kind":"grant","acquired":true,"shares":8698,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the award of Restricted Stock Units (RSUs) under the Casella Waste Systems, Inc. 2016 Incentive Plan.  Each RSU represents a contingent right to receive one share of Casella's Class A Common Stock.  RSUs vest in three equal installments beginning on March 12, 2020."}],"balance_after":414672,"source":{"system":"sec-edgar","filing":"0001179110-19-003853","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019003853/edgar.xml","form_type":"4"}},{"id":3596121,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2019-03-14T20:22:57.000Z","date":"2019-03-04","kind":"sale","acquired":false,"shares":8174,"price":34.9866,"value":285980.4684,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Represents the automatic sale of shares of stock for tax withholding purposes pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 15, 2016, in connection with the vesting of RSUs on March 1, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $34.40 to $35.55. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"This amendment is being filed solely to correct the number of shares of Class A Common Stock directly beneficially owned. The Form 4 filed by the Reporting Person on March 1, 2019 (the \"Original Form 4\") incorrectly stated the number of shares of Class A Common Stock directly beneficially owned in Table I, column 5. The number of shares of Class A Common Stock directly beneficially owned as shown in Table I, column 5 of this amendment represents the correct number of shares of Class A common stock directly beneficially owned by the Reporting Person following the transaction previously reported in the Original Form 4."}],"balance_after":405974,"source":{"system":"sec-edgar","filing":"0001179110-19-003849","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019003849/edgar.xml","form_type":"4/A","original_submission_date":"2019-03-04"}},{"id":3596120,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2019-03-14T20:22:57.000Z","date":"2019-03-01","kind":"sale","acquired":false,"shares":4325,"price":35.2884,"value":152622.33,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the automatic sale of shares of stock for tax withholding purposes pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 15, 2016, in connection with the vesting of RSUs on February 28, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $35.25 to $35.36. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"This amendment is being filed solely to correct the number of shares of Class A Common Stock directly beneficially owned. The Form 4 filed by the Reporting Person on March 1, 2019 (the \"Original Form 4\") incorrectly stated the number of shares of Class A Common Stock directly beneficially owned in Table I, column 5. The number of shares of Class A Common Stock directly beneficially owned as shown in Table I, column 5 of this amendment represents the correct number of shares of Class A common stock directly beneficially owned by the Reporting Person following the transaction previously reported in the Original Form 4."}],"balance_after":414148,"source":{"system":"sec-edgar","filing":"0001179110-19-003849","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019003849/edgar.xml","form_type":"4/A","original_submission_date":"2019-03-04"}},{"id":3620651,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2019-03-04T21:30:00.000Z","date":"2019-03-04","kind":"sale","acquired":false,"shares":8174,"price":34.9866,"value":285980.4684,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Represents the automatic sale of shares of stock for tax withholding purposes pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 15, 2016, in connection with the vesting of RSUs on March 1, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $34.40 to $35.55. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001179110-19-003053","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019003053/edgar.xml","form_type":"4"}},{"id":3620650,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2019-03-04T21:30:00.000Z","date":"2019-03-01","kind":"sale","acquired":false,"shares":4325,"price":35.2884,"value":152622.33,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the automatic sale of shares of stock for tax withholding purposes pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 15, 2016, in connection with the vesting of RSUs on February 28, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sales price for shares sold in multiple transactions, ranging from $35.25 to $35.36. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001179110-19-003053","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019003053/edgar.xml","form_type":"4"}},{"id":3629978,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2019-02-27T21:38:28.000Z","date":"2019-02-27","kind":"sale","acquired":false,"shares":27557,"price":35.18,"value":969455.26,"ownership":{"direct":true},"balance_after":418473,"source":{"system":"sec-edgar","filing":"0001179110-19-002700","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019002700/edgar.xml","form_type":"4"}},{"id":3629977,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2019-02-27T21:38:28.000Z","date":"2019-02-26","kind":"sale","acquired":false,"shares":41345,"price":34.99,"value":1446661.55,"ownership":{"direct":true},"balance_after":446030,"source":{"system":"sec-edgar","filing":"0001179110-19-002700","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019002700/edgar.xml","form_type":"4"}},{"id":3639879,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2019-02-22T21:17:24.000Z","date":"2019-02-20","kind":"grant","acquired":true,"shares":35952,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"On November 17, 2016, the reporting person was granted a performance-based stock option, which vested as to 35,952 shares of Class A Common Stock, as a result of the level of achievement by the Company of certain performance objectives during the Measurement Period of the three-year performance period running from January 1, 2016 to December 31, 2018, multiplied by a Relative TSR multiplier for the period running from January 1, 2016 to December 31, 2018."}],"balance_after":35952,"derivative":{"exercise_price":12.48,"exercise_date":"2019-02-20","expiration_date":"2026-11-16","underlying":"Class A Common Stock","underlying_shares":35952},"source":{"system":"sec-edgar","filing":"0001179110-19-002319","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019002319/edgar.xml","form_type":"4"}},{"id":3639878,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2019-02-22T21:17:24.000Z","date":"2019-02-21","kind":"sale","acquired":false,"shares":60733,"price":34.5998,"value":2101349.6534,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents the automatic sale of stock for tax withholding purposes pursuant to a Rule 10b5-1 trading plan adapted by the person on March 15, 2016, in connection with the vesting of PSU's on February 20, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average sales price for shares sold in multiple transactions, at prices ranging from $34.40 to $34.75, inclusive. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":487375,"source":{"system":"sec-edgar","filing":"0001179110-19-002319","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019002319/edgar.xml","form_type":"4"}},{"id":3639877,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2019-02-22T21:17:24.000Z","date":"2019-02-20","kind":"grant","acquired":true,"shares":129635,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of Class A Common Stock acquired by the reporting person upon the vesting of performance-based stock units (\"PSU's\") granted to the reporting person on November 17, 2016, as a result of the level of achievement by Casella Waste Systems, Inc. (the \"Company\") of certain performance objectives during the third year (\"Measurement Period\") of the three-year performance period running from January 1, 2016 to December 31, 2018, multiplied by a Relative TSR multiplier for the period running from January 1, 2016 to December 31, 2018."}],"balance_after":548108,"source":{"system":"sec-edgar","filing":"0001179110-19-002319","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911019002319/edgar.xml","form_type":"4"}},{"id":3913185,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2018-05-31T20:07:00.000Z","date":"2018-05-30","kind":"sale","acquired":false,"shares":24367,"price":24.0238,"value":585387.9346,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sales price for shares sold in multiple transactions, at prices ranging from $23.73 to $24.165, inclusive. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":418473,"source":{"system":"sec-edgar","filing":"0001179110-18-007719","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911018007719/edgar.xml","form_type":"4"}},{"id":3913184,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2018-05-31T20:07:00.000Z","date":"2018-05-29","kind":"sale","acquired":false,"shares":1118,"price":23.7696,"value":26574.4128,"ownership":{"direct":true},"balance_after":442840,"source":{"system":"sec-edgar","filing":"0001179110-18-007719","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911018007719/edgar.xml","form_type":"4"}},{"id":3993565,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2018-03-16T20:41:53.000Z","date":"2018-03-15","kind":"exercise","acquired":true,"shares":37920,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vested in three equal installments on December 13, 2014, 2015, 2016."}],"balance_after":0,"derivative":{"exercise_price":5.54,"expiration_date":"2023-12-12","underlying":"Class A Common Stock","underlying_shares":37920},"source":{"system":"sec-edgar","filing":"0001179110-18-004467","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911018004467/edgar.xml","form_type":"4"}},{"id":3993564,"issuer":{"id":1841,"kind":"organization","name":"CASELLA WASTE SYSTEMS INC","symbol":"CWST"},"owners":[{"id":42588,"kind":"person","name":"CASELLA JOHN W","position":1,"cik":"0001055352","reported_name":"CASELLA JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2018-03-16T20:41:53.000Z","date":"2018-03-15","kind":"exercise","acquired":true,"shares":37920,"price":5.54,"value":210076.8,"ownership":{"direct":true},"balance_after":443958,"source":{"system":"sec-edgar","filing":"0001179110-18-004467","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/911177/000117911018004467/edgar.xml","form_type":"4"}}],"next_cursor":"2018-03-16T20:41:53.000000Z,3993564"}