---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-24-012765"
form_type: "8-K"
ticker: "NBBK"
cik: "0001979330"
company_name: "NB Bancorp, Inc."
filed_at: "2024-09-12T23:59:59+00:00"
generated_at: "2026-05-31T05:19:09.777729+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# NB Bancorp appoints Kenneth Montgomery to board, Francis Orfanello as Lead Independent Director

## Summary
- Kenneth C. Montgomery appointed to NB Bancorp and Needham Bank boards, effective September 12, 2024.
- Montgomery previously Fed Reserve Bank of Boston COO, oversaw FedNow Service program ($700M).
- Francis Orfanello appointed Lead Independent Director; has been on Needham Bank board since 2007.
- Orfanello is Operating Partner at One Rock Capital Partners; background in beverage/food industry.

## SEC filing metadata
- accession: 0001558370-24-012765
- form_type: 8-K
- ticker: NBBK
- cik: 0001979330
- company_name: NB Bancorp, Inc.
- filed_at: 2024-09-12T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1979330/000155837024012765/0001558370-24-012765-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1979330/000155837024012765/nbbk-20240912x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-24-012765
- JSON: https://secwatch.observer/filing/0001558370-24-012765.json
- Plain text: https://secwatch.observer/filing/0001558370-24-012765.txt

## Key facts
- Executive change
  Francis Orfanello was appointed as Lead Independent Director at NB Bancorp, Inc..
  - Action: appointed
  - Role: Lead Independent Director
  source text: On September 12, 2024, the Board of the Company also appointed Francis Orfanello as Lead Independent Director, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1979330/000155837024012765/0001558370-24-012765-index.htm
- Executive change
  Kenneth C. Montgomery was appointed as director at NB Bancorp, Inc..
  - Action: appointed
  - Role: director
  source text: On September 12, 2024, the Board of Directors (the “Board”) of NB Bancorp, Inc. (the “Company”) appointed Kenneth C. Montgomery as a director of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1979330/000155837024012765/0001558370-24-012765-index.htm

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