Savneet Singh - 18 Mar 2025 Form 4 Insider Report for COMMUNITY FINANCIAL SYSTEM, INC. (CBU)

Role: Director
Signature: /s/ Danielle M. Cima, pursuant to Confirming Statement executed by Savneet Singh
Issuer symbol: CBU
Transactions as of: 18 Mar 2025
Net transactions value: $0
Form type: 4
Filing time: 19 Mar 2025, 11:48:54 UTC
Previous filing: 17 Mar 2025
Next filing: 31 Mar 2025
SEC: View on sec.gov

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CBU	Phantom Stock (Deferred Stock Units)	Award	$0	+1,225		$0.000000	1,225	18 Mar 2025	Common Stock	1,225		Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The reporting person has received deferred stock units under the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the "Plan"). Each phantom stock unit which represents a deferred stock unit is the economic equivalent of one share of Community Financial System, Inc. common stock and will be settled in common stock at a predetermined date.