COMMUNITY FINANCIAL SYSTEM, INC. — Director's Dealing 2019

Oct 28, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COMMUNITY BANK SYSTEM, INC. (CBU)
CIK: 0000723188
Period of Report: 2019-10-28

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-10-28	Common Stock	M	21603	$28.78	Acquired	51211	Direct
2019-10-28	Common Stock	F	15278	$67.52	Disposed	35933	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-10-28	Stock Option	$28.78	M	21603	Disposed	2022-03-21	Common Stock (21603)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	17945.7615	Indirect
Common Stock	98512	Indirect

Footnotes

F1: The option vested ratably on March 21, 2013, 2014, 2015, 2016 and 2017.