Brenda M. Hall - 17 Mar 2026 Form 4 Insider Report for COMMUNITY FINANCIAL SYSTEM, INC. (CBU)

Role
Director
Signature
/s/ Danielle M. Cima, attorney-in-fact for Brenda M. Hall
Issuer symbol
CBU
Transactions as of
17 Mar 2026
Net transactions value
$0
Form type
4
Filing time
18 Mar 2026, 11:54:09 UTC
Previous filing
09 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hall Brenda M Director C/O COMMUNITY FINANCIAL SYSTEM, INC., 333 BUTTERNUT DRIVE, SYRACUSE /s/ Danielle M. Cima, attorney-in-fact for Brenda M. Hall 18 Mar 2026 0001891706

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 +1,220 $0.000000* 1,220 17 Mar 2026 Common Stock 1,220 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 "LTIP"). 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.