# EDGAR Filing Document

**Accession Number:** 0000790359
**File Stem:** 0001140361-26-022087
**Filing Date:** 2026-5
**Character Count:** 9093
**Document Hash:** f5e6d1a2534ca534d1254907d69dabd0
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-022087.hdr.sgml**: 20260519

**ACCESSION NUMBER**: 0001140361-26-022087

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20260519

**ITEM INFORMATION**: Submission of Matters to a Vote of Security Holders

**ITEM INFORMATION**: Regulation FD Disclosure

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260519

**DATE AS OF CHANGE**: 20260519

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NBT BANCORP INC
- **CENTRAL INDEX KEY:** 0000790359
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATIONAL COMMERCIAL BANKS [6021]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 161268674
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-14703
- **FILM NUMBER:** 26999352

**BUSINESS ADDRESS:**
- **STREET 1:** 52 S BROAD ST
- **CITY:** NORWICH
- **STATE:** NY
- **ZIP:** 13815
- **BUSINESS PHONE:** 6073372265

**MAIL ADDRESS:**
- **STREET 1:** 52 S. BROAD STREET
- **CITY:** NORWICH
- **STATE:** NY
- **ZIP:** 13815

?xml version='1.0' encoding='ASCII'?

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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### WASHINGTON, D.C. 20549

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### 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): May 19, 2026

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## NBT BANCORP INC.
(Exact name of registrant as specified in its charter)

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| | | |
|:---|:---|:---|
| **Delaware**<br>| **000-14703**<br>| **16-1268674**<br>|
| (State or other jurisdiction of incorporation or organization) | (Commission File Number) | (I.R.S. Employer Identification No.) |

---

#### 52 South Broad Street

#### Norwich, New York 13815
(Address of principal executive offices, zip code)

Registrant's telephone number, including area code: **(607) 337-2265**

#### 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:

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| | | |
|:---|:---|:---|
| Title of class | Trading Symbol | Name of exchange on which registered |
| Common Stock, par value $0.01 per share<br>| NBTB<br>| The NASDAQ Stock Market LLC<br>|

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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. ☐

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| | |
|:---|:---|
| **Item 5.07** | **Submission of Matters to a Vote of Security Holders.** |

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On May 19, 2026, NBT Bancorp Inc. (the "Company") held its Annual Meeting of Stockholders (the "Annual Meeting") at which (i) directors were elected, (ii) the compensation of the Company's named executive officers was approved in a non-binding, advisory vote and (iii) the appointment of KPMG LLP ("KMPG"), the Company's independent registered public accounting firm, for the fiscal year ending December 31, 2026 was ratified. The proposals are described in detail in the Company's Definitive Proxy Statement for the Annual Meeting, which was filed with the Securities and Exchange Commission on April 6, 2026. The final results for the votes regarding each proposal are set forth below.

*Election of Directors*

The following persons were duly elected as directors of the Company until the 2027 Annual Meeting of Stockholders or until their success are duly elected and qualified: Martin A. Dietrich, John H. Watt, Jr., Scott A. Kingsley, Johanna R. Ames, J. David Brown, Richard J. Cantele, Jr., Timothy E. Delaney, Heidi M. Hoeller, Andrew S. Kowalczyk, III, David J. Nasca, V. Daniel Robinson, II and Matthew J. Salanger. The table below sets forth the voting results for each director nominee:

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| | | | | |
|:---|:---|:---|:---|:---|
| **Nominee** | **Votes For** | **Votes Against** | **Abstentions** | **Broker Non-Votes** |
| Martin A. Dietrich | 35103977 | 784725 | 60266 | 6534610 |
| John H. Watt, Jr. | 35358184 | 530716 | 60068 | 6534610 |
| Scott A. Kingsley | 35581121 | 307166 | 60681 | 6534610 |
| Johanna R. Ames | 35324621 | 575123 | 49224 | 6534610 |
| J. David Brown | 35677992 | 208911 | 62065 | 6534610 |
| Richard J. Cantele, Jr. | 35293009 | 593920 | 62039 | 6534610 |
| Timothy E. Delaney | 35008038 | 815102 | 125828 | 6534610 |
| Heidi M. Hoeller | 35622430 | 205677 | 120861 | 6534610 |
| Andrew S. Kowalczyk, III | 35040959 | 783059 | 124950 | 6534610 |
| David J. Nasca | 35194003 | 623474 | 131491 | 6534610 |
| V. Daniel Robinson, II | 34440287 | 1443125 | 65556 | 6534610 |
| Matthew J. Salanger | 35032944 | 851321 | 64703 | 6534610 |

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*Advisory Vote to Approve Named Executive Officer Compensation*

At the Annual Meeting, the Company's stockholders voted on a non-binding, advisory resolution to approve the compensation of the Company's named executive officers. The table below sets forth the voting results for this proposal:

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| | | | |
|:---|:---|:---|:---|
| **Votes For** | **Votes Against** | **Abstentions** | **Broker Non-Votes** |
| 34,610,946 | 1,018,485 | 319,537 | 6,534,610 |

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*Ratification of KPMG as the Company's Independent Registered Public Accounting Firm*

At the Annual Meeting, the Company's stockholders ratified the appointment of KPMG as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026. The table below sets forth the voting results for this proposal:

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| | | |
|:---|:---|:---|
| **Votes For** | **Votes Against** | **Abstentions** |
| 41,843,242 | 445,896 | 194,440 |

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| | |
|:---|:---|
| **Item 7.01** | **Regulation FD Disclosure.** |

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On May 19, 2026, the Company approved a second-quarter 2026 cash dividend of $0.37 per share. The dividend will be paid on June 15, 2026 to shareholders of record on June 1, 2026. That press release is furnished as Exhibit 99.1 hereto.

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| | |
|:---|:---|
| **Item 9.01** | **Financial Statements and Exhibits.** |

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(d) Exhibits

<u> Exhibit Number </u> <u> Description </u> <br> [99.1](ef20074237_ex99-1.htm) Press Release of NBT Bancorp Inc., dated May 19, 2026 <br> 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

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#### SIGNATURE
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.

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| | | |
|:---|:---|:---|
|  | **NBT BANCORP INC.** | **NBT BANCORP INC.** |
| Date: May 19, 2026 | By: | <u>/s/ Annette L. Burns</u> |
|  |  | Annette L. Burns |
|  |  | Executive Vice President and Chief Financial Officer |

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## Exhibit 99.1

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#### Exhibit 99.1<br>

#### <br>
**FOR IMMEDIATE RELEASE**<br> ATTENTION: FINANCIAL AND BUSINESS EDITORS<br>

Contact: Scott A. Kingsley President and CEO

Annette L. Burns, Executive Vice President and CFO

NBT Bancorp Inc.

52 South Broad Street

Norwich, NY 13815

607-337-6589

#### NBT BANCORP INC. ANNOUNCES CASH DIVIDEND

NORWICH, NY (May 19, 2026) – The Board of Directors of NBT Bancorp Inc. ("NBT" or the "Company") (NASDAQ: NBTB) approved a second-quarter cash dividend of $0.37 per share at a meeting held today. The dividend will be paid on June 15, 2026 to shareholders of record as of June 1, 2026.

#### Corporate Overview

NBT Bancorp Inc. is a financial holding company headquartered in Norwich, NY, with total assets of $16.20 billion at March 31, 2026. The Company primarily operates through NBT Bank, N.A., a full-service community bank, and through two financial services companies. NBT Bank, N.A. has 176 banking locations in New York, Pennsylvania, Vermont, Massachusetts, New Hampshire, Maine and Connecticut. EPIC Retirement Plan Services, based in Rochester, NY, is a national benefits administration firm. NBT Insurance Agency, LLC, based in Norwich, NY, is a full-service regional insurance agency. More information about NBT and its divisions is available online at: <u>www.nbtbancorp.com</u>, <u>www.nbtbank.com</u>, <u>www.epicrps.com</u> and <u>www.nbtbank.com/Insurance</u>.

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