---
schema_version: "secwatch.filing_event.v1"
accession: "0001723596-25-000193"
form_type: "8-K"
ticker: "CLBK"
cik: "0001723596"
company_name: "Columbia Financial, Inc."
filed_at: "2025-05-01T23:59:59+00:00"
generated_at: "2026-05-23T00:46:50.933577+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.0
calibrated_materiality_score: 0.0
confidence: "high"
source: SEC EDGAR
---

# Columbia Financial adopts revised Code of Ethics effective April 29, 2025

## Summary
- Board approved revised Code of Ethics and Business Conduct on April 29, 2025.
- Amendments add sections on public disclosure, outside director positions, and antitrust compliance.
- New provisions cover protection from retaliation and political activities.
- No waiver of any prior code provision was granted.
- Code applies to all officers, directors, and employees of Columbia Financial and subsidiaries.

## SEC filing metadata
- accession: 0001723596-25-000193
- form_type: 8-K
- ticker: CLBK
- cik: 0001723596
- company_name: Columbia Financial, Inc.
- filed_at: 2025-05-01T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.0
- calibrated_materiality_score: 0.0
- confidence: high
- sec_items: 5.05, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1723596/000172359625000193/0001723596-25-000193-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1723596/000172359625000193/clbk-20250429.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001723596-25-000193
- JSON: https://secwatch.observer/filing/0001723596-25-000193.json
- Plain text: https://secwatch.observer/filing/0001723596-25-000193.txt

## Key facts
- Governance Changes
  Columbia Financial, Inc.: Board of Directors adopted a revised Code of Ethics and Business Conduct, amending and restating the prior code with updates including public disclosure responsibilities, outside director positions, antitrust compliance, and political activities, effective April 29, 2025 (effective 2025-04-29).
  - Change: code of ethics
  - Effective: 2025-04-29
  source text: Effective April 29, 2025, the Board of Directors of Columbia Financial, Inc. (the “ Company ”) adopted a revised Columbia Financial, Inc. Code of Ethics and Business Conduct (the “ Code ”) that amended, restated, and replaced the Company’s prior Code of Ethics and Business Conduct.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1723596/000172359625000193/0001723596-25-000193-index.htm

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