0001950047-23-000954.txt : 20230524 0001950047-23-000954.hdr.sgml : 20230524 20230524174834 ACCESSION NUMBER: 0001950047-23-000954 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230524 DATE AS OF CHANGE: 20230524 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: 23955308 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: McDuffie Melkeya CENTRAL INDEX KEY: 0001916342 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O CLEAN HARBORS INC. STREET 2: 42 LONGWATER DRIVE CITY: NORWELL STATE: MA ZIP: 02061 144 1 primary_doc.xml 144 0001916342 XXXXXXXX LIVE 0000822818 CLEAN HARBORS, INC. 001-34223 42 Longwater Drive Norwell MA 02061 (781) 792-5000 Melkeya McDuffie Officer Common Morgan Stanley Smith Barney LLC

1 New York Plaza 38th Floor New York NY 10004

714 103021.42 54104121 05/24/2023 NYSE Common 03/15/2023 Restricted Stock Issuer N 714 03/15/2023 Cash N MELKEYA MCDUFFIE

42 Longwater Drive Norwell MA 02061

231 03/15/2023 231 30739.00 05/24/2023 /s/ Melkeya McDuffie