0001181431-12-018247.txt : 20120319 0001181431-12-018247.hdr.sgml : 20120319 20120319115558 ACCESSION NUMBER: 0001181431-12-018247 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120315 FILED AS OF DATE: 20120319 DATE AS OF CHANGE: 20120319 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: 12699758 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: 1211 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 rrd339247.xml FORM 4 X0304 4 2012-03-15 0 0000822818 CLEAN HARBORS INC CLH 0001220474 TWOHIG MICHAEL J 8 WALSH AVENUE STONEHAM MA 02180 0 1 0 0 EVP (CHESI) Common Stock 2012-03-15 4 F 0 362 68.96 D 15090 D Surrender of shares for tax liability upon vesting of restricted stock Michael J. Twohig 2012-03-19