John Parente - 16 Dec 2025 Form 4 Insider Report for COMMUNITY FINANCIAL SYSTEM, INC. (CBU)

Reporting relationship: Director
Issuer ticker: CBU
Reported as of: 16 Dec 2025
Net transaction value: -$30.02
SEC form: 4
Accepted by SEC: 17 Dec 2025, 13:55:44 UTC
Prior SEC filing: 16 Apr 2025
Next SEC filing: 18 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Danielle M. Cima, pursuant to a Confirming Statement executed by John Parente

Key filing fact

John Parente filed Form 4 for COMMUNITY FINANCIAL SYSTEM, INC. (CBU) on 17 Dec 2025.

Key facts

This page summarizes John Parente's Form 4 filing for COMMUNITY FINANCIAL SYSTEM, INC. (CBU).
3 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 17 Dec 2025, 13:55.

Change

Previous filing in this sequence was filed on 16 Apr 2025.
Current net transaction value: -$30.02.

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 0001486057 Primary reporting owner

Parente John

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 John Parente
Signature date: 17 Dec 2025

Reported non-derivative transactions

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

CBU transaction

Common Stock

Options Exercise

Transaction value: $161,433
Shares: +4,246
Change %: +6.1%
Price: $38.02
Shares after: 74,074
Date: 16 Dec 2025
Ownership: Direct

CBU transaction

Common Stock

Tax liability

Transaction value: $161,463
Shares: -2,683
Change %: -3.6%
Price: $60.18
Shares after: 71,391
Date: 16 Dec 2025
Ownership: Direct

Reported derivative securities

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

CBU transaction Derivative

Stock Option

Options Exercise

Transaction value: $0
Shares: -4,246
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 16 Dec 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,246
Exercise price: $38.02

CBU holding Derivative

Phantom Stock (Deferred Stock Units)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,245
Date: 16 Dec 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,245
Exercise price: $0.000000
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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.

Footnote F2

Includes 9.4706, and 10.4729 units of phantom stock acquired on July 10, 2025, and October 10, 2025, respectively, as dividend equivalents under the Plan.