0001950047-23-000383.txt : 20230504 0001950047-23-000383.hdr.sgml : 20230504 20230504145147 ACCESSION NUMBER: 0001950047-23-000383 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230504 DATE AS OF CHANGE: 20230504 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: CLEAN HARBORS INC CENTRAL INDEX KEY: 0000822818 STANDARD INDUSTRIAL CLASSIFICATION: HAZARDOUS WASTE MANAGEMENT [4955] IRS NUMBER: 042997780 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-34223 FILM NUMBER: 23888077 BUSINESS ADDRESS: STREET 1: 42 LONGWATER DRIVE STREET 2: P.O. BOX 9149 CITY: NORWELL STATE: MA ZIP: 02061-9149 BUSINESS PHONE: 781-792-5000 MAIL ADDRESS: STREET 1: 42 LONGWATER DRIVE CITY: NORWELL STATE: MA ZIP: 02061-9149 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: States Lauren CENTRAL INDEX KEY: 0001670022 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 16 WILMONT AVENUE CITY: WHITE PLAINS STATE: NY ZIP: 10605 144 1 primary_doc.xml 144 0001670022 XXXXXXXX LIVE 0000822818 CLEAN HARBORS, INC. 001-34223 42 Longwater Drive Norwell MA 02061 (781) 792-5000 Lauren States Director Common Morgan Stanley Smith Barney LLC

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510 69425.64 54104121 05/04/2023 NYSE Common 06/03/2021 Restricted Stock Issuer N 510 06/03/2021 Cash Y 05/04/2023 /s/ Lauren States