COMMUNITY FINANCIAL SYSTEM, INC. — Director's Dealing 2020

Mar 19, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COMMUNITY BANK SYSTEM, INC. (CBU)
CIK: 0000723188
Period of Report: 2020-03-17

Reporting Person: TRYNISKI MARK E (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-03-17	Common Stock	A	5520	—	Acquired	50913	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-03-17	Stock Option	$51.64	A	26248	Acquired	2030-03-17	Common Stock (26248)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	18496.4062	Indirect
Common Stock	98512	Indirect

Footnotes

F1: Includes an additional 11,269 shares to update the number of shares reported to reflect current ownership.

F2: 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.

F3: The option vests ratably on March 17, 2021, 2022, 2023, 2024, and 2025.