---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-101621"
form_type: "8-K/A"
ticker: "NBBK"
cik: "0001979330"
company_name: "NB Bancorp, Inc."
filed_at: "2025-10-23T23:59:59+00:00"
generated_at: "2026-05-17T02:35:09.101675+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# NB Bancorp Q3 2025 net income $15.4M ($0.43 EPS), declares $0.07 dividend

## Summary
- Net income $15.4M ($0.43 diluted) vs $14.6M ($0.39) prior quarter; operating net income $16.0M ($0.45) excluding $994K merger costs for Provident acquisition.
- Loans grew $175M (3.9%) to $4.72B; deposits up $297.6M (7.0%) to $4.57B. Net interest margin 3.78% (-4 bps QoQ).
- Board declared $0.07/share quarterly dividend, payable Nov 19 to holders of record Nov 5.
- Pending acquisition of Provident Bancorp expected to close Nov 14, 2025; all regulatory approvals received.
- Tangible book value per share increased to $18.48 from $18.06; repurchased 921,934 shares at $19.02.

## SEC filing metadata
- accession: 0001104659-25-101621
- form_type: 8-K/A
- ticker: NBBK
- cik: 0001979330
- company_name: NB Bancorp, Inc.
- filed_at: 2025-10-23T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1979330/000110465925101621/0001104659-25-101621-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1979330/000110465925101621/nbbk-20251022x8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-101621
- JSON: https://secwatch.observer/filing/0001104659-25-101621.json
- Plain text: https://secwatch.observer/filing/0001104659-25-101621.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.