# EDGAR Filing Document

**Accession Number:** 0001979330
**File Stem:** 0000000000-25-007291
**Filing Date:** 2025-7
**Character Count:** 2076
**Document Hash:** 491d25b7fcf744cf4be1934d50b54dee
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000000000-25-007291.hdr.sgml**: 20250827

**ACCESSION NUMBER**: 0000000000-25-007291

**CONFORMED SUBMISSION TYPE**: UPLOAD

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250710

**FILED FOR**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NB Bancorp, Inc.
- **CENTRAL INDEX KEY:** 0001979330
- **STANDARD INDUSTRIAL CLASSIFICATION:** SAVINGS INSTITUTIONS, NOT FEDERALLY CHARTERED [6036]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 932560883
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** UPLOAD
- **SEC FILE NUMBER:** 333-288494

**BUSINESS ADDRESS:**
- **STREET 1:** 1063 GREAT PLAIN AVENUE
- **CITY:** NEEDHAM
- **STATE:** MA
- **ZIP:** 02492
- **BUSINESS PHONE:** 781-444-2100

**MAIL ADDRESS:**
- **STREET 1:** 1063 GREAT PLAIN AVENUE
- **CITY:** NEEDHAM
- **STATE:** MA
- **ZIP:** 02492
**PUBLIC REFERENCE ACCESSION NUMBER**: 0001104659-25-065317

## Text-Extract

```

                                                           July 10, 2025

Joseph Campanelli
Chief Executive Officer
NB Bancorp, Inc.
1063 Great Plain Avenue
Needham, Massachusetts 02492

       Re: NB Bancorp, Inc.
           Registration Statement on Form S-4
           Filed July 2, 2025
           File No. 333-288494
Dear Joseph Campanelli:

       This is to advise you that we have not reviewed and will not review your
registration
statement.

        Please refer to Rules 460 and 461 regarding requests for acceleration.
We remind you
that the company and its management are responsible for the accuracy and
adequacy of their
disclosures, notwithstanding any review, comments, action or absence of action
by the staff.

       Please contact Susan Block at 202-551-3210 with any questions.

                                                           Sincerely,

                                                           Division of
Corporation Finance
                                                           Office of Finance

```

### Attached PDF Documents

**Attachment 1:** `filename1`

_No text found in this document._