Kerri Mooney - Mar 10, 2022 Form 4 Insider Report for CAMBRIDGE BANCORP (CATC)

Role: SVP Dir. of Banking Offices
Signature: /s/Michael Carotenuto, as Attorney-in-Fact
Stock symbol: CATC
Transactions as of: Mar 10, 2022
Transactions value $: $0
Form type: 4
Date filed: 3/11/2022, 03:40 PM
Previous filing: Feb 17, 2022
Next filing: Jan 23, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CATC	Common Stock	Award	$0	+925	+47.27%	$0.00	2.88K	Mar 10, 2022	Direct	F1
holding	CATC	Common Stock						245	Mar 10, 2022	ESOP

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This PRSU award was eligible to vest based upon the Bank's average three year-performance relative to the Commercial Bank Peer Group for operating return on assets and operating diluted earnings per share growth for the period ending December 31, 2021. Based on the Company's performance through December 31, 2021, the Compensation Committee determined that these awards would vest at 127.67% of target.

Content

This PRSU award was eligible to vest based upon the Bank's average three year-performance relative to the Commercial Bank Peer Group for operating return on assets and operating diluted earnings per share growth for the period ending December 31, 2021. Based on the Company's performance through December 31, 2021, the Compensation Committee determined that these awards would vest at 127.67% of target.