Key facts
- This page summarizes Deresa Fischer Durkee's Form 4 filing for COMMUNITY FINANCIAL SYSTEM, INC. (CBU).
- 5 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 11 Jun 2026, 16:21.
Deresa Fischer Durkee - 10 Jun 2026 Form 4 Insider Report for COMMUNITY FINANCIAL SYSTEM, INC. (CBU)
- Reporting relationship
- SVP, Chief Accounting Officer
- Issuer ticker
- CBU
- Reported as of
- 10 Jun 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 11 Jun 2026, 16:21:14 UTC
- Prior SEC filing
- 19 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Danielle M. Cima, pursuant to a Confirming Statement executed by Deresa F. Durkee
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Deresa Fischer Durkee filed Form 4 for COMMUNITY FINANCIAL SYSTEM, INC. (CBU) on 11 Jun 2026.
Change
- Previous filing in this sequence was filed on 19 Mar 2026.
- 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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001608689
Primary reporting owner
Durkee Deresa Fischer
- Relationship
- SVP, Chief Accounting Officer
- Address
- C/O COMMUNITY FINANCIAL SYSTEM, INC., 333 BUTTERNUT DRIVE, SYRACUSE
- Signature
- /s/ Danielle M. Cima, pursuant to a Confirming Statement executed by Deresa F. Durkee
- Signature date
- 11 Jun 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
CBU
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +427
- Change %
- +8.2%
- Price
- $51.64*
- Shares after
- 5,608
- Date
- 10 Jun 2026
- Ownership
- Direct
CBU
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +1,196
- Change %
- +21%
- Price
- $44.27*
- Shares after
- 6,804
- Date
- 10 Jun 2026
- Ownership
- Direct
CBU
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -1,326
- Change %
- -19%
- Price
- $64.77*
- Shares after
- 5,478
- Date
- 10 Jun 2026
- Ownership
- Direct
CBU
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 710
- Date
- 10 Jun 2026
- Ownership
- By 401(k)
- Footnotes
- F1
CBU
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 218
- Date
- 10 Jun 2026
- Ownership
- By spouse
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
CBU
transaction
Derivative
Stock Option
Options Exercise
- Transaction value
- Shares
- -427
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 10 Jun 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 427
- Exercise price
- $51.64
- Footnotes
- F2
CBU
transaction
Derivative
Stock Option
Options Exercise
- Transaction value
- Shares
- -1,196
- Change %
- -40%
- Price
- $0.000000*
- Shares after
- 1,794
- Date
- 10 Jun 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,196
- Exercise price
- $44.27
- Footnotes
- 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 number of shares reported herein acquired pursuant to Community Financial System, Inc.'s 401(k) Plan and are based on a current plan statement.
Footnote F2
The option vested ratably on March 17, 2021, 2022, 2023, 2024, and 2025.
Footnote F3
The option vests ratably on March 19, 2025, 2026, 2027, 2028, and 2029.