JOSEPH E. SUTARIS - 19 Mar 2024 Form 4 Insider Report for COMMUNITY BANK SYSTEM, INC. (CBU)

Role: EVP & Chief Financial Officer
Signature: /s/ Danielle M. Cima, pursuant to a Confiming Statement executed by Joseph E. Sutaris
Issuer symbol: CBU
Transactions as of: 19 Mar 2024
Net transactions value: $0
Form type: 4
Filing time: 20 Mar 2024, 11:06:39 UTC
Previous filing: 14 Sep 2023
Next filing: 02 May 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CBU	Common Stock	Award	$0	+1,933	+18%	$0.000000	12,447	19 Mar 2024	Direct
holding	CBU	Common Stock						6,646	19 Mar 2024	By 401(k) Plan	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CBU	Stock Option	Award	$0	+6,929		$0.000000	6,929	19 Mar 2024	Common Stock	6,929	$44.27	Direct	F2

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

Explanation of Responses:

Id	Content
F1	The number of shares reported herein acquired pursuant to Community Bank System, Inc.'s 401(k) Plan and are based on a current plan statement.
F2	The option vests ratably on March 19, 2025, 2026, 2027, 2028, and 2029.