Michele Sullivan - Jun 20, 2025 Form 4 Insider Report for COMMUNITY FINANCIAL SYSTEM, INC. (CBU)

Role
Director
Signature
/s/ Danielle M. Cima, pursuant to Confirming Statement executed by Michele Sullivan
Stock symbol
CBU
Transactions as of
Jun 20, 2025
Transactions value $
$25,876
Form type
4
Date filed
6/24/2025, 03:19 PM
Previous filing
Mar 20, 2025
Next filing
Sep 22, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Sullivan Michele Director C/O COMMUNITY FINANCIAL SYSTEM, INC., 5790 WIDEWATERS PARKWAY, DEWITT /s/ Danielle M. Cima, pursuant to Confirming Statement executed by Michele Sullivan 2025-06-24 0002009605

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 Deferred Stock (Deferred Compensation) Award $25.9K +477 +27.61% $54.25 2.2K Jun 20, 2025 Common Stock 477 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each unit of phantom stock is the economic equivalent of one share of Community Financial System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan will be settled in Community Financial System, Inc. common stock at future dates selected by the reporting person.
F2 Includes 12.2453 units of phantom stock acquired on April 10, 2025 under the Plan's dividend reinvestment feature.