0001593968-24-000470.txt : 20240315 0001593968-24-000470.hdr.sgml : 20240315 20240315092923 ACCESSION NUMBER: 0001593968-24-000470 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240313 FILED AS OF DATE: 20240315 DATE AS OF CHANGE: 20240315 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Stone Robert Gregg III CENTRAL INDEX KEY: 0001713873 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38184 FILM NUMBER: 24752779 MAIL ADDRESS: STREET 1: 78 BLANCHARD ROAD CITY: BURLINGTON STATE: MA ZIP: 01803 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CAMBRIDGE BANCORP CENTRAL INDEX KEY: 0000711772 STANDARD INDUSTRIAL CLASSIFICATION: STATE COMMERCIAL BANKS [6022] ORGANIZATION NAME: 02 Finance 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 X0508 4 2024-03-13 0000711772 CAMBRIDGE BANCORP CATC 0001713873 Stone Robert Gregg III C/O CAMBRIDGE BANCORP 78 BLANCHARD ROAD BURLINGTON MA 01803 true false false false false Common Stock 2024-03-13 4 S false 5 65.95 D 14372 I Held in Trust Common Stock 2024-03-13 4 S false 40 66 D 14332 I Held in Trust Common Stock 2024-03-13 4 S false 3624 65.73 D 10708 I Held in Trust /s/ Joseph P. Sapienza, as Attorney-In Fact 2024-03-15