John F. Whipple - 04 Feb 2026 Form 4 Insider Report for COMMUNITY FINANCIAL SYSTEM, INC. (CBU)

Reporting relationship: Director
Issuer ticker: CBU
Reported as of: 04 Feb 2026
Net transaction value: -$115,271
SEC form: 4
Accepted by SEC: 06 Feb 2026, 10:59:04 UTC
Prior SEC filing: 03 Dec 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 F. Whipple, Jr.

Key filing fact

John F. Whipple filed Form 4 for COMMUNITY FINANCIAL SYSTEM, INC. (CBU) on 06 Feb 2026.

Key facts

This page summarizes John F. Whipple's Form 4 filing for COMMUNITY FINANCIAL SYSTEM, INC. (CBU).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 06 Feb 2026, 10:59.

Change

Previous filing in this sequence was filed on 03 Dec 2025.
Current net transaction value: -$115,271.

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 0001485739 Primary reporting owner

Whipple John F.

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 F. Whipple, Jr.
Signature date: 06 Feb 2026

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 %: +50%
Price: $38.02
Shares after: 12,752
Date: 04 Feb 2026
Ownership: Direct

CBU transaction

Common Stock

Sale

Transaction value: $276,704
Shares: -4,246
Change %: -33%
Price: $65.17
Shares after: 8,506
Date: 04 Feb 2026
Ownership: Direct
Footnotes: F1

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: 04 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,246
Exercise price: $38.02

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.00 to $65.355, 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.