Director Brenda M. Hall reports 39 CBU shares in initial Form 3

Rhea-AI Filing Summary

COMMUNITY FINANCIAL SYSTEM, INC. director Brenda M. Hall filed an initial ownership report showing beneficial ownership of 39 shares of common stock in a direct account. The filing does not disclose any recent purchases or sales, only the current share position following prior activity.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Hall Brenda M

Role Director

Type	Security	Shares	Price	Value
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 39 shares (Direct)

Footnotes (1)

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Hall Brenda M

(Last) (First) (Middle)

C/O COMMUNITY FINANCIAL SYSTEM, INC.

333 BUTTERNUT DRIVE

(Street)

SYRACUSE NY 13214

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/01/2026

3. Issuer Name and Ticker or Trading Symbol
COMMUNITY FINANCIAL SYSTEM, INC. [ CBU ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	39	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Danielle M. Cima, attorney-in-fact for Brenda M. Hall	03/09/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What does Brenda M. Hall’s Form 3 for CBU report?

The Form 3 reports that director Brenda M. Hall beneficially owns 39 shares of COMMUNITY FINANCIAL SYSTEM, INC. common stock. It is an initial ownership statement and does not describe any specific buy or sell transactions.

How many COMMUNITY FINANCIAL SYSTEM, INC. (CBU) shares does Brenda M. Hall own?

Brenda M. Hall reports owning 39 shares of COMMUNITY FINANCIAL SYSTEM, INC. common stock. These shares are listed as directly held, representing her beneficial ownership position at the time of the Form 3 filing.

Does Brenda M. Hall’s CBU Form 3 show any stock purchases or sales?

The Form 3 does not show any explicit purchases or sales. It only records a holding of 39 shares of COMMUNITY FINANCIAL SYSTEM, INC. common stock, with no transaction code indicating a recent trade.

Is Brenda M. Hall a director of COMMUNITY FINANCIAL SYSTEM, INC.?

Yes. The Form 3 identifies Brenda M. Hall as a director of COMMUNITY FINANCIAL SYSTEM, INC. She is not listed as an officer or 10% owner, but reports direct ownership of 39 common shares.

Are Brenda M. Hall’s CBU shares held directly or indirectly?

Her Form 3 reports the 39 COMMUNITY FINANCIAL SYSTEM, INC. shares as held directly, indicated by the ownership code “D.” No trusts, LLCs, or other indirect ownership structures are disclosed in the provided data.