---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-101542"
form_type: "8-K"
ticker: "NBBK"
cik: "0001979330"
company_name: "NB Bancorp, Inc."
filed_at: "2025-10-22T23:59:59+00:00"
generated_at: "2026-05-17T02:51:12.867227+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# NB Bancorp Q3 net income $15.4M ($0.43 EPS); declares $0.07 dividend; Provident acquisition on track for Nov 14

## Summary
- Net income $15.4M ($0.43 diluted EPS) vs $14.6M ($0.39) prior quarter; operating net income $16.0M ($0.45).
- Dividend declared $0.07/share, payable Nov 19 to record Nov 5.
- Loans grew 15.4% annualized, deposits 27.9%; net interest margin 3.78% (down 4 bps).
- Provident acquisition expected to close Nov 14, 2025; merger costs $994K in Q3.
- Book value per share $18.51, tangible book value $18.48; repurchased 921,934 shares at $19.02 avg.

## SEC filing metadata
- accession: 0001104659-25-101542
- form_type: 8-K
- ticker: NBBK
- cik: 0001979330
- company_name: NB Bancorp, Inc.
- filed_at: 2025-10-22T23:59:59+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/1979330/000110465925101542/0001104659-25-101542-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1979330/000110465925101542/nbbk-20251022x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-101542
- JSON: https://secwatch.observer/filing/0001104659-25-101542.json
- Plain text: https://secwatch.observer/filing/0001104659-25-101542.txt

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