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 |
|---|---|---|---|
| 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 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 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 |
| 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 | — |
| 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 | — |
| 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 |
| 3 | Initial insider ownership | Feb 23, 2026 | Jan 1, 2026 |
| 5 | Annual insider ownership | Feb 11, 2026 | Dec 31, 2025 |
| 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 | — |
| 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 |
| 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 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 27, 2025 |
| 144 | Notice of proposed sale | Aug 26, 2025 | — |
| 144 | Notice of proposed sale | Jun 25, 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 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 13, 2025 | — |
| 4 | Insider transaction | May 5, 2025 | May 2, 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 |
| 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 |
| 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 |
| 4 | Insider transaction | Jan 28, 2025 | Jan 24, 2025 |
| 144 | Notice of proposed sale | Jan 22, 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 |
| 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 |
| 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 | — |
| 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 |
| 4 | Insider transaction | Sep 24, 2024 | Sep 19, 2024 |
| 4 | Insider transaction | Sep 24, 2024 | Sep 19, 2024 |
| 4 | Insider transaction | Jun 21, 2024 | Jun 20, 2024 |
| 4 | Insider transaction | Jun 21, 2024 | Jun 20, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 5, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | May 2, 2024 | Apr 29, 2024 |
| 4 | Insider transaction | Apr 16, 2024 | Apr 12, 2024 |
| 4 | Insider transaction | Mar 22, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 21, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 21, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 21, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 21, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 21, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 20, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 15, 2024 | Mar 14, 2024 |
| 4 | Insider transaction | Mar 13, 2024 | Mar 11, 2024 |
| 4 | Insider transaction | Mar 11, 2024 | Mar 7, 2024 |
| 4 | Insider transaction | Mar 11, 2024 | Mar 7, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Feb 29, 2024 | Feb 29, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 21, 2024 |
| 144 | Notice of proposed sale | Feb 21, 2024 | — |
| 5 | Annual insider ownership | Feb 14, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 14, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 12, 2024 | — |
| 3 | Initial insider ownership | Feb 1, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Jan 29, 2024 | Jan 29, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2024 | — |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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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.