{"transactions":[{"id":716521,"issuer":{"id":3318,"kind":"organization","name":"CLEAN HARBORS INC"},"owners":[{"id":32424,"kind":"person","name":"Geer Charles H. II","position":1,"cik":"0002079092","reported_name":"Geer Charles H. II","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Industrial Services"}}],"security":"Common Stock","published_at":"2026-07-06T19:08:03.000Z","date":"2026-07-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":40,"price":290.74,"value":11629.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3"}],"balance_after":10799,"source":{"system":"sec-edgar","filing":"0002079092-26-000006","document":"form4-07062026_070759.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/822818/000207909226000006/form4-07062026_070759.xml","form_type":"4"}},{"id":840030,"issuer":{"id":3318,"kind":"organization","name":"CLEAN HARBORS INC"},"owners":[{"id":32424,"kind":"person","name":"Geer Charles H. II","position":1,"cik":"0002079092","reported_name":"Geer Charles H. II","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Industrial Services"}}],"security":"Common Stock","published_at":"2026-03-17T19:10:45.000Z","date":"2026-03-13","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":139,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 15 shares acquired under the Clean Harbors Employee Stock Purchase Plan"}],"balance_after":10839,"source":{"system":"sec-edgar","filing":"0002079092-26-000004","document":"form4-03172026_070342.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/822818/000207909226000004/form4-03172026_070342.xml","form_type":"4"}},{"id":923354,"issuer":{"id":3318,"kind":"organization","name":"CLEAN HARBORS INC"},"owners":[{"id":32424,"kind":"person","name":"Geer Charles H. II","position":1,"cik":"0002079092","reported_name":"Geer Charles H. II","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Industrial Services"}}],"security":"Common Stock","published_at":"2026-02-03T20:35:33.000Z","date":"2026-02-01","kind":"grant","planned":false,"acquired":true,"shares":503,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Restricted Stock Award vesting as to 25% on February 1, 2027; 25% on February 1, 2028; 25% on February 1, 2029; and 25% on February 1, 2030."}],"balance_after":10963,"source":{"system":"sec-edgar","filing":"0002079092-26-000002","document":"form4-02032026_080229.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/822818/000207909226000002/form4-02032026_080229.xml","form_type":"4"}},{"id":923353,"issuer":{"id":3318,"kind":"organization","name":"CLEAN HARBORS INC"},"owners":[{"id":32424,"kind":"person","name":"Geer Charles H. II","position":1,"cik":"0002079092","reported_name":"Geer Charles H. II","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Industrial Services"}}],"security":"Common Stock","published_at":"2026-02-03T20:35:33.000Z","date":"2026-02-01","kind":"grant","planned":false,"acquired":true,"shares":1843,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Performance-Based Restricted Stock Award that will vest 50% on 3/15/2028 and 50% on 3/15/2029, depending on achievement of certain goals during the performance period 1/1/2027 through 12/31/2027"}],"balance_after":10460,"source":{"system":"sec-edgar","filing":"0002079092-26-000002","document":"form4-02032026_080229.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/822818/000207909226000002/form4-02032026_080229.xml","form_type":"4"}},{"id":923352,"issuer":{"id":3318,"kind":"organization","name":"CLEAN HARBORS INC"},"owners":[{"id":32424,"kind":"person","name":"Geer Charles H. II","position":1,"cik":"0002079092","reported_name":"Geer Charles H. II","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Industrial Services"}}],"security":"Common Stock","published_at":"2026-02-03T20:35:33.000Z","date":"2026-02-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":197,"price":259.91,"value":51202.27,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3."}],"balance_after":8617,"source":{"system":"sec-edgar","filing":"0002079092-26-000002","document":"form4-02032026_080229.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/822818/000207909226000002/form4-02032026_080229.xml","form_type":"4"}},{"id":966132,"issuer":{"id":3318,"kind":"organization","name":"CLEAN HARBORS INC"},"owners":[{"id":32424,"kind":"person","name":"Geer Charles H. II","position":1,"cik":"0002079092","reported_name":"Geer Charles H. II","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Industrial Services"}}],"security":"Common Stock","published_at":"2025-12-17T13:22:16.000Z","date":"2025-12-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":28,"price":240.71,"value":6739.88,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3."}],"balance_after":8814,"source":{"system":"sec-edgar","filing":"0002079092-25-000004","document":"form4-12172025_011213.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/822818/000207909225000004/form4-12172025_011213.xml","form_type":"4"}},{"id":1008953,"issuer":{"id":3318,"kind":"organization","name":"CLEAN HARBORS INC"},"owners":[{"id":32424,"kind":"person","name":"Geer Charles H. II","position":1,"cik":"0002079092","reported_name":"Geer Charles H. II","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Industrial Services"}}],"security":"Common Stock","published_at":"2025-11-04T13:19:04.000Z","date":"2025-11-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":294,"price":210.51,"value":61889.94,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3."}],"balance_after":8842,"source":{"system":"sec-edgar","filing":"0002079092-25-000002","document":"form4-11042025_011100.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/822818/000207909225000002/form4-11042025_011100.xml","form_type":"4"}}]}