Public-Company Data
NBT Bank, N.A.: SEC Filings
NBT Bank, N.A. (or its holding company) is an SEC registrant. Ticker NBTB. CIK 790359. Filings and disclosures below link to the original documents on SEC EDGAR. View all filings on EDGAR →
Recent SEC filings
| Filed | Form | Accession | Files | EDGAR |
|---|---|---|---|---|
| Sep 21, 2026 | 8-K | 0001140361-26-037240 | 15 | Open → |
| Sep 8, 2026 | 8-K | 0001140361-26-035922 | 14 | Open → |
| Aug 7, 2026 | 10-Q | 0001140361-26-031820 | 4 | Open → |
| May 19, 2026 | 8-K | 0001140361-26-022087 | 15 | Open → |
| May 18, 2026 | 8-K | 0001140361-26-021913 | 14 | Open → |
| May 4, 2026 | 8-K | 0001140361-26-018879 | 14 | Open → |
| Apr 23, 2026 | 8-K | 0001140361-26-016398 | 15 | Open → |
| Feb 27, 2026 | 10-K | 0001140361-26-007179 | 133 | Open → |
| Feb 10, 2026 | 8-K | 0001140361-26-004620 | 14 | Open → |
| Jan 26, 2026 | 8-K | 0001140361-26-002399 | 15 | Open → |
| Nov 4, 2025 | 8-K | 0001140361-25-040346 | 14 | Open → |
| Oct 27, 2025 | 8-K | 0001140361-25-039473 | 15 | Open → |
| Aug 29, 2025 | 8-K | 0001140361-25-033438 | 14 | Open → |
| Jul 28, 2025 | 8-K | 0001140361-25-027601 | 15 | Open → |
| May 20, 2025 | 8-K | 0001140361-25-019911 | 15 | Open → |
| May 19, 2025 | 8-K | 0001140361-25-019779 | 14 | Open → |
| May 14, 2025 | 8-K | 0001140361-25-018814 | 15 | Open → |
| May 5, 2025 | 8-K | 0001140361-25-017344 | 16 | Open → |
| Apr 24, 2025 | 8-K | 0001140361-25-015461 | 16 | Open → |
| Mar 24, 2025 | 8-K | 0001140361-25-010051 | 16 | Open → |
| Feb 28, 2025 | 10-K | 0001140361-25-006528 | 138 | Open → |
| Feb 12, 2025 | 8-K | 0001140361-25-003943 | 15 | Open → |
| Jan 27, 2025 | 8-K | 0001140361-25-002081 | 16 | Open → |
| Dec 20, 2024 | 8-K | 0001140361-24-050086 | 18 | Open → |
| Dec 13, 2024 | Other | 0001140361-24-049475 | 4 | Open → |
| Dec 13, 2024 | 8-K | 0001140361-24-049470 | 15 | Open → |
| Nov 12, 2024 | 8-K | 0001140361-24-046182 | 15 | Open → |
| Nov 5, 2024 | Other | 0001140361-24-045287 | 4 | Open → |
| Nov 5, 2024 | Other | 0001140361-24-045285 | 11 | Open → |
| Nov 4, 2024 | Other | 0000000000-24-012247 | 5 | Open → |
| Oct 28, 2024 | 8-K | 0001140361-24-044433 | 16 | Open → |
| Oct 24, 2024 | Other | 0001140361-24-044133 | 33 | Open → |
| Sep 11, 2024 | Other | 0001140361-24-040846 | 4 | Open → |
| Sep 10, 2024 | Other | 0001140361-24-040737 | 6 | Open → |
| Sep 9, 2024 | Other | 0001140361-24-040590 | 8 | Open → |
| Sep 9, 2024 | Other | 0001140361-24-040608 | 22 | Open → |
| Sep 9, 2024 | 8-K | 0001140361-24-040588 | 19 | Open → |
| Sep 3, 2024 | 8-K | 0001140361-24-039857 | 15 | Open → |
| Jul 22, 2024 | 8-K | 0001140361-24-033739 | 16 | Open → |
| May 22, 2024 | 8-K | 0001140361-24-027174 | 23 | Open → |
8-K material events
| Date | Item | Disclosure | EDGAR |
|---|---|---|---|
| Sep 21, 2026 | 5.02 | Departure/Election of Directors or Officers; Compensation | Open → |
| Sep 21, 2026 | 9.01 | Financial Statements and Exhibits | Open → |
| Sep 8, 2026 | 7.01 | Regulation FD Disclosure | Open → |
| May 19, 2026 | 5.07 | Submission of Matters to a Vote of Security Holders | Open → |
| May 19, 2026 | 7.01 | Regulation FD Disclosure | Open → |
| May 19, 2026 | 9.01 | Financial Statements and Exhibits | Open → |
| May 18, 2026 | 7.01 | Regulation FD Disclosure | Open → |
| May 4, 2026 | 7.01 | Regulation FD Disclosure | Open → |
| Apr 23, 2026 | 2.02 | Results of Operations and Financial Condition | Open → |
| Apr 23, 2026 | 9.01 | Financial Statements and Exhibits | Open → |
| Feb 10, 2026 | 7.01 | Regulation FD Disclosure | Open → |
| Jan 26, 2026 | 2.02 | Results of Operations and Financial Condition | Open → |
| Jan 26, 2026 | 5.02 | Departure/Election of Directors or Officers; Compensation | Open → |
| Jan 26, 2026 | 9.01 | Financial Statements and Exhibits | Open → |
| Nov 4, 2025 | 7.01 | Regulation FD Disclosure | Open → |
| Oct 27, 2025 | 2.02 | Results of Operations and Financial Condition | Open → |
| Oct 27, 2025 | 9.01 | Financial Statements and Exhibits | Open → |
| Aug 29, 2025 | 7.01 | Regulation FD Disclosure | Open → |
| Jul 28, 2025 | 2.02 | Results of Operations and Financial Condition | Open → |
| Jul 28, 2025 | 9.01 | Financial Statements and Exhibits | Open → |
| May 20, 2025 | 5.02 | Departure/Election of Directors or Officers; Compensation | Open → |
| May 20, 2025 | 5.07 | Submission of Matters to a Vote of Security Holders | Open → |
| May 20, 2025 | 7.01 | Regulation FD Disclosure | Open → |
| May 20, 2025 | 8.01 | Other Events | Open → |
| May 20, 2025 | 9.01 | Financial Statements and Exhibits | Open → |
| May 19, 2025 | 7.01 | Regulation FD Disclosure | Open → |
| May 14, 2025 | 7.01 | Regulation FD Disclosure | Open → |
| May 5, 2025 | 2.01 | Completion of Acquisition or Disposition of Assets | Open → |
| May 5, 2025 | 9.01 | Financial Statements and Exhibits | Open → |
| Apr 24, 2025 | 2.02 | Results of Operations and Financial Condition | Open → |
Officers & insiders
| Name | Title / role | As of |
|---|---|---|
| Mahoney Ruth H | EVP/President of Wealth Mgmt | Jul 2026 |
| Sparks Martin Randolph | EVP,General Counsel,Secretary | Jun 2026 |
| Trafton Hamblett Tara Flynn | Chief Credit Officer | Jun 2026 |
| Sergienko Joseph P | Chief Risk Officer | Jun 2026 |
| Burns Annette L | EVP & Chief Financial Officer | Mar 2026 |
| Kingsley Scott Allen | President & CEO NBT Bancorp | Mar 2026 |
| Stagliano Joseph R | EVP President of Retail & CIO | Mar 2024 |
M&A activity
| Date | Type | Role | Source |
|---|---|---|---|
| Sep 21, 2026 | Merger-related filing | Registrant | SEC Form 8-K |
| Jan 26, 2026 | Merger-related filing | Registrant | SEC Form 8-K |
| May 20, 2025 | Merger-related filing | Registrant | SEC Form 8-K |
| May 5, 2025 | Merger completed | Registrant | SEC Form 8-K |
| May 3, 2025 | Merger | Registrant | Federal Reserve NIC |
| Mar 24, 2025 | Merger-related filing | Registrant | SEC Form 8-K |
| Dec 13, 2024 | Merger communication | Registrant | SEC Form 425 |
| Nov 5, 2024 | Merger registration statement | Registrant | SEC Form S-4/A |
| Oct 24, 2024 | Merger registration statement | Registrant | SEC Form S-4 |
| Sep 11, 2024 | Merger communication | Registrant | SEC Form 425 |
| Sep 10, 2024 | Merger communication | Registrant | SEC Form 425 |
| Sep 9, 2024 | Merger communication | Registrant | SEC Form 425 |
| Sep 9, 2024 | Merger announcement | Registrant | SEC Form 8-K |
| Sep 9, 2024 | Merger communication | Registrant | SEC Form 425 |
| May 22, 2024 | Merger-related filing | Registrant | SEC Form 8-K |
| May 21, 2024 | Merger-related filing | Registrant | SEC Form 8-K |
| Jan 22, 2024 | Merger-related filing | Registrant | SEC Form 8-K |
| Aug 14, 2023 | Merger completed | Registrant | SEC Form 8-K |
| Aug 12, 2023 | Merger | Registrant | Federal Reserve NIC |
| Jul 10, 2023 | Merger communication | Registrant | SEC Form 425 |
About this data
Filings, 8-K events, officer lists and M&A activity are sourced from SEC EDGAR and, for some M&A events, Federal Reserve NIC records. SEC disclosures are filed by the publicly-traded holding company, so officer and material-event data reflect the parent registrant. For the bank's regulatory financials, see its full profile and safety analysis.