Maureen Gillan-Myer - Mar 7, 2025 Form 4 Insider Report for COMMUNITY FINANCIAL SYSTEM, INC. (CBU)

Role: EVP, Chief Admin & HR Officer
Signature: /s/ Danielle M. Cima, pursuant to a Confirming Statement executed by Maureen Gillan-Myer
Stock symbol: CBU
Transactions as of: Mar 7, 2025
Transactions value $: $0
Form type: 4
Date filed: 3/11/2025, 01:46 PM
Previous filing: Mar 4, 2025
Next filing: Mar 13, 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CBU	Common Stock	Award	$0	+1.47K	+43.59%	$0.00	4.85K	Mar 7, 2025	Direct	F1
holding	CBU	Common Stock						2.69K	Mar 7, 2025	By 401(k) Plan	F2

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

Explanation of Responses:

Id	Content
F1	On March 7, 2025, the Compensation Committee approved the vesting of the three-year performance-based restricted stock award, granted to the reporting person in 2022, based on achievement of predetermined performance criteria at the target level. The reporting person received 1,332 shares of common stock under the award and 140.1799 shares of common stock acquired under the dividend reinvestment feature of the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the "Plan").
F2	The number of shares reported herein acquired pursuant to Community Financial System, Inc.'s 401(k) Plan and are based on a current plan statement.

Content

On March 7, 2025, the Compensation Committee approved the vesting of the three-year performance-based restricted stock award, granted to the reporting person in 2022, based on achievement of predetermined performance criteria at the target level. The reporting person received 1,332 shares of common stock under the award and 140.1799 shares of common stock acquired under the dividend reinvestment feature of the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the "Plan").

The number of shares reported herein acquired pursuant to Community Financial System, Inc.'s 401(k) Plan and are based on a current plan statement.