---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-25-009449"
form_type: "8-K"
ticker: "NBBK"
cik: "0001979330"
company_name: "NB Bancorp, Inc."
filed_at: "2025-07-23T23:59:59+00:00"
generated_at: "2026-05-18T03:42:34.915134+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# NB Bancorp Q2 net income $14.6M ($0.39 EPS), up 15% QoQ; initiates $0.07 dividend

## Summary
- Net income $14.6M ($0.39 diluted EPS) vs $12.7M ($0.33) prior Q; operating net income $15.0M ($0.40).
- Net interest margin expanded 21 bps to 3.82%; gross loans grew $76.7M to $4.54B.
- Board declared first quarterly dividend of $0.07/share, payable Aug 20 to holders of record Aug 6.
- Repurchased 1.1M shares at avg $17.08; book value per share $18.09, down from $18.23 due to buybacks and stock awards.
- Provision for credit losses increased to $3.2M from $1.2M, driven by loan growth and maturities expansion.

## SEC filing metadata
- accession: 0001558370-25-009449
- form_type: 8-K
- ticker: NBBK
- cik: 0001979330
- company_name: NB Bancorp, Inc.
- filed_at: 2025-07-23T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1979330/000155837025009449/0001558370-25-009449-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1979330/000155837025009449/nbbk-20250723x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-25-009449
- JSON: https://secwatch.observer/filing/0001558370-25-009449.json
- Plain text: https://secwatch.observer/filing/0001558370-25-009449.txt

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