---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-097778"
form_type: "8-K"
ticker: "NBBK"
cik: "0001979330"
company_name: "NB Bancorp, Inc."
filed_at: "2025-10-08T23:59:59+00:00"
generated_at: "2026-05-17T04:21:45.177776+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# NB Bancorp distributes stock/cash election forms for Provident merger; closing targeted Nov 15

## Summary
- Exchange agent mailed election forms Oct 7; deadline Nov 7 at 5pm ET (ESOP/401k Oct 31).
- Merger consideration: 0.691 NBBK shares or $13.00 cash per PVBC share, subject to 50/50 allocation.
- Needham anticipates all regulatory approvals by Nov 14 and closing on Nov 15, 2025.
- Provident stockholders who do not elect will receive consideration based on proration.
- Questions to Alliance Advisors at 855-206-1249 or NBBK@allianceadvisors.com.

## SEC filing metadata
- accession: 0001104659-25-097778
- form_type: 8-K
- ticker: NBBK
- cik: 0001979330
- company_name: NB Bancorp, Inc.
- filed_at: 2025-10-08T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1979330/000110465925097778/0001104659-25-097778-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1979330/000110465925097778/tm2528219d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-097778
- JSON: https://secwatch.observer/filing/0001104659-25-097778.json
- Plain text: https://secwatch.observer/filing/0001104659-25-097778.txt

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