MARK E. TRYNISKI - 15 Mar 2023 Form 4 Insider Report for COMMUNITY BANK SYSTEM, INC. (CBU)

Role: President & CEO, Director
Signature: Danielle M. Cima, pursuant to a Confirming Statement executed by Mark E. Tryniski
Issuer symbol: CBU
Transactions as of: 15 Mar 2023
Net transactions value: +$379,233
Form type: 4
Filing time: 16 Mar 2023, 12:29:39 UTC
Previous filing: 15 Mar 2023
Next filing: 05 Jan 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	Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities	$379,233	+7,027	+34%	$53.97	27,959	15 Mar 2023	By 401(k) Plan	F1
holding	CBU	Common Stock						34,342	15 Mar 2023	Direct
holding	CBU	Common Stock						27,264	15 Mar 2023	By Mark Tryniski Family Trust
holding	CBU	Common Stock						98,512	15 Mar 2023	By Phyllis Tryniski Family Trust

* 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 were acquired pursuant to Community Bank System, Inc.'s 401(K) Plan and are based on a current plan statement.