COMMUNITY FINANCIAL SYSTEM, INC. — Director's Dealing 2021

Mar 11, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COMMUNITY BANK SYSTEM, INC. (CBU)
CIK: 0000723188
Period of Report: 2021-03-10

Reporting Person: Parente John (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-03-10	Common Stock	M	3631	$37.77	Acquired	67578.0039	Direct
2021-03-10	Common Stock	M	3937	$35.36	Acquired	71515.0039	Direct
2021-03-10	Common Stock	S	7568	$79.3567	Disposed	63947.0039	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-03-10	Stock Option	$37.77	M	3631	Disposed	2024-03-19	Common Stock (3631)	Direct
2021-03-10	Stock Option	$35.36	M	3937	Disposed	2025-03-18	Common Stock (3937)	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $79.25 to $79.49, inclusive. The reporting person undertakes to provide Community Bank System, Inc., any security holder of Community Bank System, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.