# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001104659-25-108388
Filing Date
2025-11-07
Accepted
2025-11-07 15:01:26
Documents
81
Period of Report
2025-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | nbbk-20250930x10q.htm iXBRL | 10-Q | 6052265
2 | EX-31.1 | nbbk-20250930xex31d1.htm | EX-31.1 | 16865
3 | EX-31.2 | nbbk-20250930xex31d2.htm | EX-31.2 | 16927
4 | EX-32 | nbbk-20250930xex32.htm | EX-32 | 12945
| Complete submission text file | 0001104659-25-108388.txt |  | 25547304

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
5 | EX-101.SCH | nbbk-20250930.xsd | EX-101.SCH | 57658
6 | EX-101.CAL | nbbk-20250930_cal.xml | EX-101.CAL | 93980
7 | EX-101.DEF | nbbk-20250930_def.xml | EX-101.DEF | 315961
8 | EX-101.LAB | nbbk-20250930_lab.xml | EX-101.LAB | 658561
9 | EX-101.PRE | nbbk-20250930_pre.xml | EX-101.PRE | 516111
84 | EXTRACTED XBRL INSTANCE DOCUMENT | nbbk-20250930x10q_htm.xml | XML | 7945410

Mailing Address 1063 GREAT PLAIN AVENUE NEEDHAM MA 02492
Business Address 1063 GREAT PLAIN AVENUE NEEDHAM MA 02492 781-444-2100
NB Bancorp, Inc. (Filer) CIK: 0001979330 (see all company filings)

EIN.: 932560883 | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-41899 | Film No.: 251462137
SIC: 6036 Savings Institutions, Not Federally Chartered
(CF Office: 02 Finance)