0001593968-21-000064.txt : 20210105 0001593968-21-000064.hdr.sgml : 20210105 20210105182641 ACCESSION NUMBER: 0001593968-21-000064 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20201231 FILED AS OF DATE: 20210105 DATE AS OF CHANGE: 20210105 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: THOMPSON MARK D CENTRAL INDEX KEY: 0001256553 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38184 FILM NUMBER: 21507896 MAIL ADDRESS: STREET 1: TEN POST OFFICE SWUARE CITY: BOSTON STATE: MA ZIP: 02109 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CAMBRIDGE BANCORP CENTRAL INDEX KEY: 0000711772 STANDARD INDUSTRIAL CLASSIFICATION: STATE COMMERCIAL BANKS [6022] IRS NUMBER: 042777442 FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1336 MASSACHUSETTS AVENUE CITY: CAMBRIDGE STATE: MA ZIP: 02138 BUSINESS PHONE: 617-876-5500 MAIL ADDRESS: STREET 1: 1336 MASSACHUSETTS AVENUE CITY: CAMBRIDGE STATE: MA ZIP: 02138 4 1 primary_01.xml PRIMARY DOCUMENT X0306 4 2020-12-31 0000711772 CAMBRIDGE BANCORP CATC 0001256553 THOMPSON MARK D C/O CAMBRIDGE BANCORP 78 BLANCHARD ROAD BURLINGTON MA 01803-5212 true false false false Common Stock 2020-12-31 4 D false 2547 0 D 7308 D Shares forfeited due to Mr. Thompson's retirement on 12/31/2020. Mr. Thompson remains a director of the Company. /s/Michael Carotenuto, as Attorney-in-Fact 2021-01-05