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

Mar 8, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COMMUNITY BANK SYSTEM, INC. (CBU)
CIK: 0000723188
Period of Report: 2021-03-05

Reporting Person: Serbun Joseph F (EVP, Chief Banking Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-03-05	Common Stock	F	269	$71.19	Disposed	11983.7242	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1510.9989	Indirect

Footnotes

F1: Payment of tax liability associated with the vesting of restricted stock awards.