0001959173-24-002290.txt : 20240313 0001959173-24-002290.hdr.sgml : 20240313 20240313134017 ACCESSION NUMBER: 0001959173-24-002290 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240313 DATE AS OF CHANGE: 20240313 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-38184 FILM NUMBER: 24745387 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Stone Robert Gregg III CENTRAL INDEX KEY: 0001713873 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 78 BLANCHARD ROAD CITY: BURLINGTON STATE: MA ZIP: 01803 144 1 primary_doc.xml 144 0001713873 XXXXXXXX LIVE 0000711772 CAMBRIDGE BANCORP 001-38184 1336 MASSACHUSETTS AVENUE CAMBRIDGE MA 02138 617-876-5500 Stone Robert Gregg III Director Common Fidelity Brokerage Services LLC

245 Summer Street Boston MA 02110

3669 237641.00 7846391 03/13/2024 NASDAQ Common 05/17/2022 Stock Award Issuer N 509 05/17/2022 Compensation Common 05/20/2021 Stock Award Issuer N 457 05/20/2021 Compensation Common 03/03/2020 Stock Award Issuer N 1000 03/03/2020 Compensation Common 12/10/2019 Stock Award Issuer N 1000 12/10/2019 Compensation Common 05/13/2019 Stock Award Issuer N 356 05/13/2019 Compensation Common 06/20/2018 Stock Award Issuer N 347 06/20/2018 Compensation Y Selling out of the R Gregg Stone Trust 03/13/2024 /s/ Cristina Garcia, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Stone Robert Gregg III