# EDGAR Filing Document

**Accession Number:** 0000790359
**File Stem:** 0001140361-26-013244
**Filing Date:** 2026-4
**Character Count:** 1099
**Document Hash:** a81c6e3ae3fc6e8e529cce1f63391ea3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-013244.hdr.sgml**: 20260406

**ACCESSION NUMBER**: 0001140361-26-013244

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260406

**DATE AS OF CHANGE**: 20260406

**EFFECTIVENESS DATE**: 20260406

**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:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-14703
- **FILM NUMBER:** 26839639

**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

### Attached PDF Documents

**Attachment 1:** `ny20059955x4_ars.pdf`

_No text found in this document._