0001127602-21-016111.txt : 20210510 0001127602-21-016111.hdr.sgml : 20210510 20210510173322 ACCESSION NUMBER: 0001127602-21-016111 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210507 FILED AS OF DATE: 20210510 DATE AS OF CHANGE: 20210510 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: 21908721 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: 1226 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 INTERNATIONAL INC DATE OF NAME CHANGE: 20000605 FORMER COMPANY: FORMER CONFORMED NAME: CHARLES RIVER LABORATORIES HOLDINGS INC DATE OF NAME CHANGE: 19991208 4 1 form4.xml PRIMARY DOCUMENT X0306 4 2021-05-07 0001100682 CHARLES RIVER LABORATORIES INTERNATIONAL, INC. CRL 0001221496 MASSARO GEORGE 251 BALLARDVALE STREET WILMINGTON MA 01887 1 Common Stock 2021-05-07 4 A 0 355 0 A 5726 D Stock Options (Right to Buy) 342.55 2021-05-07 4 A 0 1151 0 A 2022-05-07 2031-05-07 Common Stock 1151 1151 D The unvested restricted stock units vest upon the earlier of 5/7/2022 or the business day prior to the Company's next annual meeting of shareholders. The Stock Options become exercisable upon the earlier of 5/7/2022 or the business day prior to the Company's next annual meeting of shareholders. /s/ George E. Massaro 2021-05-10