Community Financial System, Inc. SEC filings CBU
Community Financial System, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Jul 29, 2015. Its latest annual report, Form ARS, was filed on Mar 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 7, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 27, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Oct 27, 2026 | Oct 27, 2026 |
| 144 | Notice of proposed sale | Oct 22, 2026 | — |
| 4 | Insider transaction | Sep 18, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 18, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 10, 2026 | Sep 9, 2026 |
| 4 | Insider transaction | Aug 28, 2026 | Aug 27, 2026 |
| 4 | Insider transaction | Aug 26, 2026 | Aug 24, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 21, 2026 | Aug 21, 2026 |
| 10-Q | Quarterly report | Aug 7, 2026 | Jun 30, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2026 | — |
| 8-K |
Current report
Results of operations
|
Jul 28, 2026 | Jul 28, 2026 |
| 144 | Notice of proposed sale | Jul 20, 2026 | — |
| 4 | Insider transaction | Jun 29, 2026 | Jun 25, 2026 |
| 144 | Notice of proposed sale | Jun 26, 2026 | — |
| 4 | Insider transaction | Jun 18, 2026 | Jun 18, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 18, 2026 |
| 11-K | Employee savings plan report | Jun 18, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 8, 2026 |
| 144/A | Filing | Jun 8, 2026 | — |
| 144 | Notice of proposed sale | Jun 8, 2026 | — |
| 8-K |
Current report
Other events
|
Jun 1, 2026 | Jun 1, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 22, 2026 | May 20, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 13, 2026 | May 13, 2026 |
| 10-Q | Quarterly report | May 8, 2026 | Mar 31, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 6, 2026 | — |
| 4 | Insider transaction | May 5, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 1, 2026 | Apr 29, 2026 |
| 4 | Insider transaction | May 1, 2026 | Apr 29, 2026 |
| 4 | Insider transaction | May 1, 2026 | Apr 29, 2026 |
| 4 | Insider transaction | May 1, 2026 | Apr 29, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 8-K |
Current report
Results of operations
|
Apr 29, 2026 | Apr 29, 2026 |
| ARS | Annual report to shareholders | Mar 27, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 27, 2026 | — |
| DEF 14A | Proxy statement | Mar 27, 2026 | May 20, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 16, 2026 |
| 3 | Initial insider ownership | Mar 9, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Dec 29, 2025 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 10-K | Annual report | Feb 27, 2026 | Dec 31, 2025 |
| 3 | Initial insider ownership | Feb 23, 2026 | Jan 1, 2026 |
| 8-K |
Current report
Officer or director change
|
Feb 11, 2026 | Feb 11, 2026 |
| 5 | Annual insider ownership | Feb 11, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 11, 2026 | Feb 11, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 4, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| 144 | Notice of proposed sale | Feb 4, 2026 | — |
| 4 | Insider transaction | Feb 3, 2026 | Jan 30, 2026 |
| 144 | Notice of proposed sale | Feb 3, 2026 | — |
| 144 | Notice of proposed sale | Feb 3, 2026 | — |
| 144 | Notice of proposed sale | Jan 30, 2026 | — |
| 8-K |
Current report
Results of operations
|
Jan 27, 2026 | Jan 27, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 15, 2026 | Jan 15, 2026 |
| 8-K |
Current report
Officer or director change, Other events
|
Jan 6, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Dec 19, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 19, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 19, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 17, 2025 | Dec 16, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 12, 2025 | Nov 12, 2025 |
| 8-K |
Current report
Other events
|
Nov 10, 2025 | Nov 7, 2025 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 21, 2025 | Oct 21, 2025 |
| 3 | Initial insider ownership | Oct 6, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Sep 22, 2025 | Sep 18, 2025 |
| 4 | Insider transaction | Sep 22, 2025 | Sep 18, 2025 |
| 4 | Insider transaction | Sep 22, 2025 | Sep 18, 2025 |
| 8-K |
Current report
Officer or director change
|
Sep 18, 2025 | Sep 17, 2025 |
| 8-K |
Current report
Other events
|
Sep 8, 2025 | Sep 8, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 27, 2025 |
| 144 | Notice of proposed sale | Aug 26, 2025 | — |
| 10-Q | Quarterly report | Aug 8, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Officer or director change
|
Jul 23, 2025 | Jul 21, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 22, 2025 | Jul 22, 2025 |
| 144 | Notice of proposed sale | Jun 25, 2025 | — |
| 8-K |
Current report
Other events
|
Jun 25, 2025 | Jun 24, 2025 |
| 4 | Insider transaction | Jun 24, 2025 | Jun 20, 2025 |
| 4 | Insider transaction | Jun 24, 2025 | Jun 20, 2025 |
| 4 | Insider transaction | Jun 24, 2025 | Jun 20, 2025 |
| 11-K | Employee savings plan report | Jun 6, 2025 | Jun 6, 2025 |
| S-8 | Employee stock plan registration | May 30, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
May 23, 2025 | May 21, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 13, 2025 | — |
| 10-Q | Quarterly report | May 9, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | May 5, 2025 | May 2, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | Apr 16, 2025 | Apr 14, 2025 |
| 4 | Insider transaction | Apr 16, 2025 | Apr 15, 2025 |
| 4 | Insider transaction | Apr 16, 2025 | Apr 14, 2025 |
| 4 | Insider transaction | Apr 16, 2025 | Apr 14, 2025 |
| 4 | Insider transaction | Apr 16, 2025 | Apr 14, 2025 |
| 3 | Initial insider ownership | Apr 4, 2025 | Mar 31, 2015 |
| 4 | Insider transaction | Mar 31, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Mar 31, 2025 | Mar 31, 2025 |
| ARS | Annual report to shareholders | Mar 28, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 28, 2025 | — |
| DEF 14A | Proxy statement | Mar 28, 2025 | May 21, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 19, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 19, 2025 | Mar 18, 2025 |
| 4/A | Primary document | Mar 19, 2025 | Mar 18, 2025 |
| 4/A | Primary document | Mar 19, 2025 | Mar 18, 2025 |
| 4/A | Primary document | Mar 19, 2025 | Mar 18, 2025 |
| 4/A | Primary document | Mar 19, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 19, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 19, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 19, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 19, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 19, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 19, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 17, 2025 |
| 4 | Insider transaction | Mar 13, 2025 | Mar 12, 2025 |
| 4 | Insider transaction | Mar 13, 2025 | Mar 12, 2025 |
| 4 | Insider transaction | Mar 13, 2025 | Mar 12, 2025 |
| 4 | Insider transaction | Mar 13, 2025 | Mar 12, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 7, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 7, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 7, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 7, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 11, 2025 | Mar 11, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 10-K | Annual report | Feb 28, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Officer or director change
|
Feb 14, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Jan 28, 2025 | Jan 24, 2025 |
| 144 | Notice of proposed sale | Jan 22, 2025 | — |
| 8-K |
Current report
Results of operations
|
Jan 21, 2025 | Jan 21, 2025 |
| 4 | Insider transaction | Jan 17, 2025 | Jan 15, 2025 |
| 4 | Insider transaction | Jan 14, 2025 | Jan 13, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Dec 20, 2024 | Dec 19, 2024 |
| 4 | Insider transaction | Dec 20, 2024 | Dec 19, 2024 |
| 8-K |
Current report
Other events
|
Dec 19, 2024 | Dec 18, 2024 |
| 4 | Insider transaction | Dec 3, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Nov 27, 2024 | Nov 26, 2024 |
| 4 | Insider transaction | Nov 27, 2024 | Nov 26, 2024 |
| 4 | Insider transaction | Nov 26, 2024 | Nov 25, 2024 |
| 144 | Notice of proposed sale | Nov 25, 2024 | — |
| 4/A | Primary document | Nov 15, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Officer or director change
|
Nov 12, 2024 | Nov 7, 2024 |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 4/A | Primary document | Nov 7, 2024 | Nov 5, 2024 |
| 4 | Insider transaction | Nov 7, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Nov 7, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Nov 6, 2024 | Nov 5, 2024 |
| 144 | Notice of proposed sale | Nov 6, 2024 | — |
| 8-K |
Current report
Results of operations
|
Oct 22, 2024 | Oct 22, 2024 |
| 3 | Initial insider ownership | Oct 9, 2024 | Oct 1, 2024 |
| 3 | Initial insider ownership | Oct 7, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 8-K |
Current report
Officer or director change
|
Sep 30, 2024 | Sep 30, 2024 |
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Company profile
- Industry
- National Commercial Banks (SIC 6021)
- Listed as
- CBU (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Syracuse, NY
- SEC filer status
- Large accelerated filer
- SEC CIK
- 723188
- Former names
- COMMUNITY BANK SYSTEM, INC. (until May 10, 2024); COMMUNITY BANK NA, a subsidiary of Community Bank System Inc (until Aug 5, 2013); COMMUNITY BANK NA, a subsidiary of Community Bank System Inc. (until Jul 26, 2013); COMMUNITY BANK SYSTEM INC (until Jul 24, 2013)
Other National Commercial Banks companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.