Eric Stickels - 08 Jun 2026 Form 4 Insider Report for COMMUNITY FINANCIAL SYSTEM, INC. (CBU)

Reporting relationship: Director
Issuer ticker: CBU
Reported as of: 08 Jun 2026
Net transaction value: -$127,962
SEC form: 4
Accepted by SEC: 10 Jun 2026, 11:33:22 UTC
Prior SEC filing: 18 Mar 2026
Source filing: View source filing
Reporting owner signature: Danielle M. Cima, pursuant to a Confirming Statement executed by Eric E. Stickels

Key filing fact

Eric Stickels filed Form 4 for COMMUNITY FINANCIAL SYSTEM, INC. (CBU) on 10 Jun 2026.

Key facts

This page summarizes Eric Stickels's Form 4 filing for COMMUNITY FINANCIAL SYSTEM, INC. (CBU).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 10 Jun 2026, 11:33.

Change

Previous filing in this sequence was filed on 18 Mar 2026.
Current net transaction value: -$127,962.

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 0001201821 Primary reporting owner

STICKELS ERIC

Relationship: Director
Address: C/O COMMUNITY FINANCIAL SYSTEM, INC., 333 BUTTERNUT DRIVE, SYRACUSE
Signature: Danielle M. Cima, pursuant to a Confirming Statement executed by Eric E. Stickels
Signature date: 10 Jun 2026

Reported non-derivative transactions

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

CBU transaction

Common Stock

Sale

Transaction value: $127,962
Shares: -2,000
Change %: -6%
Price: $63.98
Shares after: 31,592
Date: 08 Jun 2026
Ownership: Direct
Footnotes: F1

CBU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 15,513
Date: 08 Jun 2026
Ownership: By Wife's Community Financial System, Inc. 401(k)

Reported derivative securities

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

CBU holding Derivative

Phantom Stock (Deferred Stock Units)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,265
Date: 08 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,265
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 3 footnotes

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.72 to $64.17, 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.

Footnote F2

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 F3

Includes 30.2137 units of phantom stock acquired on April 10, 2026 under the Plan's dividend reinvestment feature.