0001181431-11-050068.txt : 20110921 0001181431-11-050068.hdr.sgml : 20110921 20110921121016 ACCESSION NUMBER: 0001181431-11-050068 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110920 FILED AS OF DATE: 20110921 DATE AS OF CHANGE: 20110921 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: 111100953 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 rrd322425.xml FORM 4 X0304 4 2011-09-20 0 0000822818 CLEAN HARBORS INC CLH 0001220474 TWOHIG MICHAEL J 8 WALSH AVENUE STONEHAM MA 02180 0 1 0 0 EVP (CHESI) Common Stock 2011-09-20 4 M 0 1500 6.49 A 9917 D Common Stock 2011-09-20 4 S 0 1500 56.65 D 8417 D Employee Stock Option 6.49 2011-09-20 4 M 0 1500 6.49 D 2008-02-21 2013-02-21 Common Stock 1500 18500 D Michael J. Twohig 2011-09-21