---
schema_version: "secwatch.filing_event.v1"
accession: "0001723596-26-000031"
form_type: "8-K"
ticker: "CLBK"
cik: "0001723596"
company_name: "Columbia Financial, Inc."
filed_at: "2026-07-02T12:29:50+00:00"
generated_at: "2026-07-02T12:35:35.197118+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Columbia Financial receives stockholder and depositor approval for conversion and Northfield acquisition

## Summary
- Stockholders approved Plan of Conversion and Reorganization and acquisition of Northfield Bancorp at June 25, 2026 annual meeting.
- Depositors of Columbia Bank MHC approved the conversion at a special meeting on June 29, 2026.
- Subscription offering received approximately $1.1 billion, excluding ESOP, with resolicitation concluding June 30, 2026.
- Firm commitment underwritten offering expected week of July 6, 2026 at $10 per share; Keefe Bruyette & Woods leads.
- Completion requires final regulatory approvals and sale of at least 142,375,000 shares including Northfield merger consideration.

## SEC filing metadata
- accession: 0001723596-26-000031
- form_type: 8-K
- ticker: CLBK
- cik: 0001723596
- company_name: Columbia Financial, Inc.
- filed_at: 2026-07-02T12:29:50+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1723596/000172359626000031/0001723596-26-000031-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1723596/000172359626000031/clbk-20260701.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001723596-26-000031
- JSON: https://secwatch.observer/filing/0001723596-26-000031.json
- Plain text: https://secwatch.observer/filing/0001723596-26-000031.txt

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