# EDGAR Filing Document

**Accession Number:** 0000790359
**File Stem:** 9999999995-23-000499
**Filing Date:** 2023-2
**Character Count:** 1205
**Document Hash:** 74a6942fd46134196bd7c03d0d0e4afd
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-23-000499.hdr.sgml**: 20230301

**ACCESSION NUMBER**: 9999999995-23-000499

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230228

**DATE AS OF CHANGE**: 20230301

**EFFECTIVENESS DATE**: 20230228

**FILER**: 

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

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-269742
- **FILM NUMBER:** 23689543

**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

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** February 28, 2023

**Time:** 16:30:00

**Form Type:** S-4

---

**CIK:** 0000790359

**Company Name:** NBT BANCORP INC

**File Number:** 333-269742