Neil E. Fesette - 17 Mar 2026 Form 4 Insider Report for COMMUNITY FINANCIAL SYSTEM, INC. (CBU)

Reporting relationship: Director
Issuer ticker: CBU
Reported as of: 17 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 19 Mar 2026, 14:09:24 UTC
Prior SEC filing: 19 Dec 2025
Source filing: View source filing
Reporting owner signature: /s/ Danielle M. Cima, pursuant to a Confirming Statement executed by Neil E. Fesette

Key filing fact

Neil E. Fesette filed Form 4 for COMMUNITY FINANCIAL SYSTEM, INC. (CBU) on 19 Mar 2026.

Key facts

This page summarizes Neil E. Fesette's Form 4 filing for COMMUNITY FINANCIAL SYSTEM, INC. (CBU).
1 reported transaction and 2 derivative rows are listed below.
Accepted by SEC: 19 Mar 2026, 14:09.

Change

Previous filing in this sequence was filed on 19 Dec 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001485738 Primary reporting owner

Fesette Neil E.

Relationship: Director
Address: C/O COMMUNITY FINANCIAL SYSTEM, INC., 5790 WIDEWATERS PARKWAY, DEWITT
Signature: /s/ Danielle M. Cima, pursuant to a Confirming Statement executed by Neil E. Fesette
Signature date: 19 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CBU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 11,270
Date: 17 Mar 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CBU transaction Derivative

Phantom Stock (Deferred Stock Units)

Award

Transaction value
Shares: +1,220
Change %: +17%
Price: $0.000000^*
Shares after: 8,225
Date: 17 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,220
Exercise price
Footnotes: F4, F5

CBU holding Derivative

Phantom Stock (Deferred Compensation)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 7,783
Date: 17 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 7,783
Exercise price
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Includes 67.928 shares acquired on January 12, 2026 pursuant to the Community Financial System, Inc. Dividend Reinvestment Plan.

Footnote F2

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 ("DCP for Directors") will be settled in Community Financial System, Inc. common stock at future dates selected by the reporting person.

Footnote F3

Includes 70.3453 units of phantom stock acquired on January 12, 2026 under the DCP for Directors' dividend reinvestment feature.

Footnote F4

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.

Footnote F5

Includes 41.4544 units of phantom stock acquired on January 12, 2026 as dividend equivalents under the LTIP.