Joseph F. Serbun - Oct 2, 2022 Form 4 Insider Report for COMMUNITY BANK SYSTEM, INC. (CBU)

Role: President, Retail Banking
Signature: /s/ Marguerite K. Geiss, pursuant to a Confirming Statement executed by Joseph F. Serbun
Stock symbol: CBU
Transactions as of: Oct 2, 2022
Transactions value $: -$68,225
Form type: 4
Date filed: 10/14/2022, 12:36 PM
Previous filing: Mar 16, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CBU	Common Stock	Tax liability	-$68.2K	-1.12K	-8.06%	$60.97	12.8K	Oct 2, 2022	Direct	F1
transaction	CBU	Common Stock	Award	$0	+483	+3.78%	$0.00	13.2K	Oct 14, 2022	Direct	F2
holding	CBU	Common Stock						1.87K	Oct 2, 2022	By 401(k) Plan

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

Explanation of Responses:

Id	Content
F1	Payment of tax liability associated with vesting of restricted stock award.
F2	Granted pursuant to the Retirement and Release Agreement filed as Exhibit 10.2 to Community Bank System's Current Report on Form 8-K filed with the Securities and Exchange Commission on August 26, 2022.