0001127602-19-018632.txt : 20190516 0001127602-19-018632.hdr.sgml : 20190516 20190516101503 ACCESSION NUMBER: 0001127602-19-018632 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190515 FILED AS OF DATE: 20190516 DATE AS OF CHANGE: 20190516 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MASSARO GEORGE CENTRAL INDEX KEY: 0001221496 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-15943 FILM NUMBER: 19830782 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CHARLES RIVER LABORATORIES INTERNATIONAL INC CENTRAL INDEX KEY: 0001100682 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731] IRS NUMBER: 061397316 FISCAL YEAR END: 1228 BUSINESS ADDRESS: STREET 1: 251 BALLARDVALE ST CITY: WILMINGTON STATE: MA ZIP: 01887 BUSINESS PHONE: 781-222-6000 MAIL ADDRESS: STREET 1: 251 BALLARDVALE ST CITY: WILMINGTON STATE: MA ZIP: 01887 FORMER COMPANY: FORMER CONFORMED NAME: CHARLES RIVER LABORATORIES HOLDINGS INC DATE OF NAME CHANGE: 19991208 4 1 form4.xml PRIMARY DOCUMENT X0306 4 2019-05-15 0001100682 CHARLES RIVER LABORATORIES INTERNATIONAL INC CRL 0001221496 MASSARO GEORGE 251 BALLARDVALE STREET WILMINGTON MA 01887 1 Common Stock 2019-05-15 5 G 0 E 1000 0 D 11204 D Common Stock 2019-05-15 4 S 0 100 130.73 D 11104 D Common Stock 2019-05-15 4 S 0 100 131.16 D 11004 D Common Stock 2019-05-15 4 S 0 100 131.17 D 10904 D Common Stock 2019-05-15 4 S 0 100 131.18 D 10804 D Common Stock 2019-05-15 4 S 0 100 131.45 D 10704 D Common Stock 2019-05-15 4 S 0 71 131.52 D 10633 D Common Stock 2019-05-15 4 S 0 100 131.53 D 10533 D Common Stock 2019-05-15 4 S 0 100 131.55 D 10433 D Common Stock 2019-05-15 4 S 0 100 131.61 D 10333 D Common Stock 2019-05-15 4 S 0 31 131.66 D 10302 D Common Stock 2019-05-15 4 S 0 100 131.86 D 10202 D This sale occurred pursuant to a 10b5-1 Trading Plan. /s/ George E. Massaro 2019-05-16