SALLY A. STEELE - 03 Feb 2026 Form 4 Insider Report for COMMUNITY FINANCIAL SYSTEM, INC. (CBU)

Role
Director
Signature
/s/ Danielle M. Cima, pursuant to a Confirming Statement executed by Sally A. Steele
Issuer symbol
CBU
Transactions as of
03 Feb 2026
Net transactions value
-$164,320
Form type
4
Filing time
05 Feb 2026, 15:52:09 UTC
Previous filing
16 Apr 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
STEELE SALLY A Director C/O COMMUNITY FINANCIAL SYSTEM, INC., 5790 WIDEWATERS PARKWAY, DEWITT /s/ Danielle M. Cima, pursuant to a Confirming Statement executed by Sally A. Steele 05 Feb 2026 0001264816

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CBU Common Stock Options Exercise $92,160 +4,000 +10% $23.04 43,964 03 Feb 2026 Direct
transaction CBU Common Stock Sale $256,480 -4,000 -9.1% $64.12 39,964 03 Feb 2026 Direct F1
holding CBU Common Stock 4,585 03 Feb 2026 Joint with brother

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 Stock Option Options Exercise $0 -4,000 -20% $0.000000 16,001 03 Feb 2026 Common Stock 4,000 $23.04 Direct
holding CBU Phantom Stock (Deferred Stock Units) 1,265 03 Feb 2026 Common Stock 1,265 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.00 to $64.255, inclusive. The reporting person undertakes to provide Community Financial System, Inc., any security holder of Community Financial System, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F2 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.
F3 Includes 9.4706, 10.4729, and 9.6079 units of phantom stock acquired on July 10, 2025, October 10, 2025, and January 12, 2026, respectively, under the Plan's dividend reinvestment feature.