0001415889-23-005087.txt : 20230317 0001415889-23-005087.hdr.sgml : 20230317 20230317134503 ACCESSION NUMBER: 0001415889-23-005087 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230315 FILED AS OF DATE: 20230317 DATE AS OF CHANGE: 20230317 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: TWOHIG MICHAEL J CENTRAL INDEX KEY: 0001220474 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34223 FILM NUMBER: 23741835 MAIL ADDRESS: STREET 1: 8 WALSH AVE CITY: STONEHAM STATE: MA ZIP: 02180 ISSUER: 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 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 4 1 form4-03172023_050358.xml X0306 4 2023-03-15 0000822818 CLEAN HARBORS INC CLH 0001220474 TWOHIG MICHAEL J 8 WALSH AVENUE STONEHAM MA 02180 false true false false EVP (CHESI) Common Stock 2023-03-15 4 S 0 290 133.07 D 30857 D Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b-3 /s/ Michael J. Twhohig 2023-03-17