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Community Financial System Inc is a diversified financial services company providing a broad array of banking and other financial services to retail, commercial, institutional and governmental customers. The Company also offers comprehensive financial planning, trust administration and wealth management services through its Community Bank Wealth Management operating unit. It has four reportable operating business segments: Banking and Corporate, Employee Benefit Services, Insurance Services and Wealth Management Services.

Founded: 1866 Country:
United States
United States
Employees: N/A City: DEWITT
Market Cap: 3.5B IPO Year: 1994
Target Price: $66.67 AVG Volume (30 days): 196.9K
Analyst Decision: Hold Number of Analysts: 4
Dividend Yield:
3.26%
Dividend Payout Frequency: quarterly
EPS: 3.97 EPS Growth: 15.41
52 Week Low/High: $49.44 - $67.50 Next Earning Date: 04-27-2026
Revenue: $818,007,000 Revenue Growth: 9.61%
Revenue Growth (this year): 13.46% Revenue Growth (next year): 7.66%
P/E Ratio: 14.51 Index: N/A
Free Cash Flow: 233.3M FCF Growth: +5.31%

Stock Insider Trading Activity of Community Bank System Inc. (CBU)

Sell
CBU Feb 4, 2026

Avg Cost/Share

$65.17

Shares

4,246

Total Value

$276,703.75

Owned After

8,506.03

SEC Form 4

Sell
CBU Feb 3, 2026

Avg Cost/Share

$64.12

Shares

4,000

Total Value

$256,480.40

Owned After

39,964

SEC Form 4

Sell
CBU Feb 3, 2026

Avg Cost/Share

$64.75

Shares

2,000

Total Value

$129,492.00

Owned After

33,342

SEC Form 4

Gillan-Myer Maureen A

EVP, Chief Admin & HR Officer

Sell
CBU Dec 29, 2025

Avg Cost/Share

$58.85

Shares

3,450

Total Value

$203,053.63

Owned After

0

SEC Form 4

Earnings Transcripts

SEC 8-K filings with transcript text

View All
2025
Q4

Q4 2025 Earnings

8-K BUY

Jan 27, 2026 · 100% conf.

AI Prediction BUY

1D

+0.46%

$61.74

Act: -0.62%

5D

+2.92%

$63.26

Act: +4.78%

20D

+5.02%

$64.54

Act: +3.51%

Price: $61.46 Prob +5D: 100% AUC: 1.000
0001104659-26-006834

false

COMMUNITY FINANCIAL SYSTEM, INC.

0000723188

0000723188

2026-01-27 2026-01-27

iso4217:USD

xbrli:shares

iso4217:USD

xbrli:shares

UNITED STATES

SECURITIES AND

EXCHANGE COMMISSION

WASHINGTON, D.C.

20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 27, 2026

(Exact name of registrant as specified in its charter)

Delaware 001-13695 16-1213679

(State or other jurisdiction of

incorporation) (Commission File Number) (IRS Employer Identification No.)

5790 Widewaters Parkway, DeWitt, New York 13214

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (315) 445-2282

Not applicable.

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading

Symbol(s) Name of each exchange on which registered

Common Stock, $1.00 par value per share CBU New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company   ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 2.02Results of Operations and Financial Condition.

On January 27, 2026, Community Financial System, Inc. announced its results of operations for the fourth quarter and fiscal year ended December 31, 2025. The public announcement was made by means of a news release, the text of which is furnished as Exhibit 99.1.

The information in this Form 8-K, including Exhibit 99.1 attached hereto, is being furnished under Item 2.02 and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01Financial Statements and Exhibits.

(d)  Exhibits

The following exhibit is being furnished pursuant to Item 2.02 above.

99.1Press Release, dated January 27, 2026, issued by Community Financial System, Inc.

104Cover Page Interactive Data File (embedded in the cover page formatted in Inline XBRL)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Community Financial System, Inc.

By: /s/ Marya Burgio Wlos

Name: Marya Burgio Wlos

Title: Executive Vice President and Chief Financial Officer

Dated: January 27, 2026

Exhibit Index

Exhibit Number Description

99.1 Press Release, dated January 27, 2026, issued by Community Financial System, Inc.

104 Cover Page Interactive Data File (embedded in the cover page formatted in Inline XBRL)

2025
Q3

Q3 2025 Earnings

8-K

Oct 21, 2025

0001104659-25-101075

false

COMMUNITY FINANCIAL SYSTEM, INC.

0000723188

0000723188

2025-10-21 2025-10-21

iso4217:USD

xbrli:shares

iso4217:USD

xbrli:shares

UNITED STATES

SECURITIES AND

EXCHANGE COMMISSION

WASHINGTON, D.C.

20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 21, 2025

(Exact name of registrant as specified in its charter)

Delaware 001-13695 16-1213679

(State or other jurisdiction of

incorporation) (Commission File Number) (IRS Employer Identification No.)

5790 Widewaters Parkway, DeWitt, New York 13214

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (315) 445-2282

Not applicable.

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading

Symbol(s) Name of each exchange on which registered

Common Stock, $1.00 par value per share CBU New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company   ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ¨

Item 2.02Results of Operations and Financial Condition.

On October 21, 2025, Community Financial System, Inc. announced its results of operations for the third quarter ended September 30, 2025. The public announcement was made by means of a news release, the text of which is furnished as Exhibit 99.1.

The information in this Form 8-K, including Exhibit 99.1 attached hereto, is being furnished under Item 2.02 and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01Financial Statements and Exhibits.

(d)  Exhibits

The following exhibit is being furnished pursuant to Item 2.02 above.

99.1Press Release, dated October 21, 2025, issued by Community Financial System, Inc.

104Cover Page Interactive Data File (embedded in the cover page formatted in Inline XBRL)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Community Financial System, Inc.

By: /s/ Marya Burgio Wlos

Name: Marya Burgio Wlos

Title: Executive Vice President and Chief Financial Officer

Dated: October 21, 2025

Exhibit Index

Exhibit Number Description

99.1 Press Release, dated October 21, 2025, issued by Community Financial System, Inc.

104 Cover Page Interactive Data File (embedded in the cover page formatted in Inline XBRL)

2025
Q2

Q2 2025 Earnings

8-K

Jul 22, 2025

0001104659-25-069506

false

COMMUNITY FINANCIAL SYSTEM, INC.

0000723188

0000723188

2025-07-22 2025-07-22

iso4217:USD

xbrli:shares

iso4217:USD

xbrli:shares

UNITED STATES

SECURITIES AND

EXCHANGE COMMISSION

WASHINGTON, D.C.

20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 22, 2025

(Exact name of registrant as specified in its charter)

Delaware 001-13695 16-1213679

(State or other jurisdiction of

incorporation) (Commission File Number) (IRS Employer Identification No.)

5790 Widewaters Parkway, DeWitt, New York 13214

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (315) 445-2282

Not applicable.

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading

Symbol(s) Name of each exchange on which registered

Common Stock, $1.00 par value per share CBU New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company   ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ¨

Item 2.02Results of Operations and Financial Condition.

On July 22, 2025, Community Financial System, Inc. announced its results of operations for the second quarter ended June 30, 2025. The public announcement was made by means of a news release, the text of which is furnished as Exhibit 99.1.

The information in this Form 8-K, including Exhibit 99.1 attached hereto, is being furnished under Item 2.02 and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01Financial Statements and Exhibits.

(d)  Exhibits

The following exhibit is being furnished pursuant to Item 2.02 above.

99.1Press Release, dated July 22, 2025, issued by Community Financial System, Inc.

104Cover Page Interactive Data File (embedded in the cover page formatted in Inline XBRL)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Community Financial System, Inc.

By: /s/ Marya Burgio Wlos

Name: Marya Burgio Wlos

Title: Executive Vice President and Chief Financial Officer

Dated: July 22, 2025

Exhibit Index

Exhibit Number Description

99.1 Press Release, dated July 22, 2025, issued by Community Financial System, Inc.

104 Cover Page Interactive Data File (embedded in the cover page formatted in Inline XBRL)

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