---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-008996"
form_type: "8-K"
ticker: "NFBK"
cik: "0001493225"
company_name: "Northfield Bancorp, Inc."
filed_at: "2026-02-02T23:59:59+00:00"
generated_at: "2026-05-16T05:35:23.630259+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Northfield Bancorp merges with Columbia Financial: 1.425-1.465x stock or $14.25-$14.65 cash per share

## Summary
- NFBK shareholders elect stock (1.425-1.465 shares of new holding co.) or cash ($14.25-$14.65) per share, based on independent valuation.
- Merger follows Columbia Financial's mutual-to-stock conversion; requires regulatory approvals, stockholder votes, and S-4 effectiveness.
- Termination fee of $23.7M payable by either party in certain circumstances; Columbia also may pay $6M fee under specific conditions.
- Five executives receive lump-sum payments totaling ~$11.1M (CEO Klein $5.74M); Klein to become Sr EVP/COO of combined entity and board member.

## SEC filing metadata
- accession: 0001104659-26-008996
- form_type: 8-K
- ticker: NFBK
- cik: 0001493225
- company_name: Northfield Bancorp, Inc.
- filed_at: 2026-02-02T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1493225/000110465926008996/0001104659-26-008996-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1493225/000110465926008996/tm264753d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-008996
- JSON: https://secwatch.observer/filing/0001104659-26-008996.json
- Plain text: https://secwatch.observer/filing/0001104659-26-008996.txt

## Key facts
- Material Agreements
  Northfield Bancorp, Inc. entered into Agreement and Plan of Merger with Columbia Financial, Inc., a Delaware corporation, Columbia Financial, Inc., a newly-formed Maryland corporation (the Holding Company), and Columbia Bank MHC (effective 2026-01-31).
  - Action: entry
  - Agreement: merger
  - Counterparty: Columbia Financial, Inc., a Delaware corporation, Columbia Financial, Inc., a newly-formed Maryland corporation (the Holding Company), and Columbia Bank MHC
  - Effective: 2026-01-31
  source text: On January 31, 2026, Northfield Bancorp, Inc., a Delaware corporation (“ Northfield ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Columbia Financial, Inc., a Delaware corporation (“ Columbia Financial ”), Columbia Financial, Inc., a newly-formed Maryland corporation (the “ Holding Company ”), and Columbia Bank MHC, the parent mutual holding company of Columbia Financial (the “ MHC ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1493225/000110465926008996/0001104659-26-008996-index.htm

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