FMR LLC discloses 3,026,372 shares (5.8%) in CBU

Community Financial System Inc ownership disclosure: institutional investor FMR LLC reports beneficial ownership of 3,026,372.36 shares of Common Stock, representing 5.8% of the class as of 03/31/2026.

Rhea-AI Filing Summary

Community Financial System Inc ownership disclosure: institutional investor FMR LLC reports beneficial ownership of 3,026,372.36 shares of Common Stock, representing 5.8% of the class as of 03/31/2026. The filing lists sole dispositive power of 3,026,372.36 shares and cites an attached Exhibit 99 for subsidiary identification and a 13d-1(k)(1) agreement.

Insights

Institutional Ownership Analyst

FMR LLC holds a meaningful passive stake in CBU at 5.8% as of 03/31/2026.

FMR LLC reports 3,026,372.36 shares beneficially owned with sole dispositive power, indicating control over disposition but not necessarily active control of voting (sole voting power shown separately). The filing is a standard Schedule 13G disclosure for large passive holders.

Watch subsequent filings for any change in percentage or a conversion to Schedule 13D, and review Exhibit 99 for which subsidiary or fund holds the position. Timing: ownership reported as of 03/31/2026.

Securities Compliance Counsel

The Schedule 13G appears procedural and includes required exhibits and a power of attorney.

The filing names FMR LLC and references a Power of Attorney effective 04/13/2026 and signatures dated 05/05/2026. It notes one or more other persons may have rights to dividends or proceeds but no other person holds >5%.

Confirm Exhibit 99 for the 13d-1(k)(1) agreement details and the subsidiary identification; future amendments may be needed if ownership or intent changes.

Key Figures

Beneficial ownership: 3,026,372.36 shares Percent of class: 5.8% Reporting form date: 03/31/2026 +3 more

6 metrics

Beneficial ownership 3,026,372.36 shares amount beneficially owned as reported

Percent of class 5.8% reported percentage of outstanding common stock as of 03/31/2026

Reporting form date 03/31/2026 time anchor for ownership amount

CUSIP 203607106 security identifier included on the cover

Sole dispositive power 3,026,372.36 shares number of shares with sole power to dispose

Power of Attorney effective 04/13/2026 effective date for the POA referenced in signature block

Key Terms

Schedule 13G, Sole Dispositive Power, Exhibit 99, 13d-1(k)(1) agreement

4 terms

Schedule 13G regulatory

"Item 1. | (a) | Name of issuer: COMMUNITY FINANCIAL SYSTEM INC ..."

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

Sole Dispositive Power financial

"7 | Sole Dispositive Power 3,026,372.36"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

Exhibit 99 regulatory

"Exhibit Information Please see Exhibit 99 for 13d-1(k) (1) agreement."

13d-1(k)(1) agreement regulatory

"See attached Exhibit 99."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stake does FMR LLC report in Community Financial System Inc (CBU)?

FMR LLC reports beneficial ownership of 3,026,372.36 shares, equal to 5.8% of the class. This percentage is reported as of 03/31/2026 and is filed on a Schedule 13G.

Does FMR LLC have voting or dispositive power over the CBU shares?

The filing reports sole dispositive power for 3,026,372.36 shares and lists sole voting power separately. The cover page responses should be consulted for full voting-power detail.

Is the FMR LLC filing a Schedule 13G or 13D for CBU and what does that mean?

The form is a Schedule 13G, which typically signals passive institutional ownership. It does not allege activist intent; any change to active intent would require an amendment or a Schedule 13D filing.

Are other parties reported to have rights to dividends or sale proceeds for CBU shares?

The filing states that one or more other persons are known to have rights to dividends or proceeds, but it also states no other individual's interest exceeds 5% of the outstanding Common Stock.

Where can I find details about the subsidiary or agreement referenced in the filing?

The filing refers to Exhibit 99 for the 13d-1(k)(1) agreement and to an exhibit identifying the subsidiary. Review Exhibit 99 and the referenced Power of Attorney for specifics.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 05/06/2026 - 11:06 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

COMMUNITY FINANCIAL SYSTEM INC

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

203607106

(CUSIP Number)

03/31/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 203607106

1

Names of Reporting Persons

FMR LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 3,008,087.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 3,026,372.36
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,026,372.36

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.8 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP Number(s): 203607106

1

Names of Reporting Persons

Abigail P. Johnson

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 3,026,372.36
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,026,372.36

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.8 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: COMMUNITY FINANCIAL SYSTEM INC
(b)	Address of issuer's principal executive offices: 333 BUTTERNUT DRIVE,SYRACUSE,NY,USA,13214
Item 2.
(a)	Name of person filing: FMR LLC
(b)	Address or principal business office or, if none, residence: 245 Summer Street, Boston, Massachusetts 02210
(c)	Citizenship: Not applicable
(d)	Title of class of securities: COMMON STOCK
(e)	CUSIP Number(s): 203607106
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 3026372.36
(b)	Percent of class: 5.8 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Please see the responses to Items 5 and 6 on the cover page.
	(ii) Shared power to vote or to direct the vote: 0.00
	(iii) Sole power to dispose or to direct the disposition of: 3026372.36
	(iv) Shared power to dispose or to direct the disposition of: 0.00
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. One or more other persons are known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the COMMON STOCK of COMMUNITY FINANCIAL SYSTEM INC. No one other person's interest in the COMMON STOCK of COMMUNITY FINANCIAL SYSTEM INC is more than five percent of the total outstanding COMMON STOCK.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See attached Exhibit 99.
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

FMR LLC

Signature:	Richard Bourgelas
Name/Title:	Duly authorized under Power of Attorney effective as of April 13, 2026, by and on behalf of FMR LLC and its direct and indirect subsidiaries*
Date:	05/05/2026

Abigail P. Johnson

Signature:	Richard Bourgelas
Name/Title:	Duly authorized under Power of Attorney effective as of April 13, 2026, by and on behalf of Abigail P. Johnson*
Date:	05/05/2026

Comments accompanying signature: *This power of attorney is incorporated herein by reference to Exhibit 24 to the Schedule 13G filed by FMR LLC on April 29,2026, accession number: 0000315066-26-000738.

Exhibit Information

Please see Exhibit 99 for 13d-1(k) (1) agreement.