Columbia Financial, Inc./MD/ 8-K/A

What Happened

• Columbia Financial, Inc. expanded its Board from nine to thirteen directors and, upon closing its acquisition of Northfield Bancorp, Inc. (the Merger), added John P. Connors, Jr., Timothy C. Harrison, Steven M. Klein, and Paul V. Stahlin as directors. The Merger closed on July 20, 2026, and the new directors’ service began that day.
• On July 28, 2026 the Board assigned committee roles: Connors (Audit; Nominating/Corporate Governance; Risk; Technology), Harrison (Compensation; Nominating/Corporate Governance; Risk; Technology), Stahlin (Audit; Compensation; Risk; Operations & Strategic Planning), and Klein (Risk; Operations & Strategic Planning; Technology). Mr. Klein also serves as Senior Executive Vice President and Chief Operating Officer of the company.
• The Board stated that Connors, Harrison and Stahlin meet applicable Nasdaq and Securities Exchange Act requirements for committee service (including audit, compensation and nominating/governance as relevant).

Key Details

• Board size increased from 9 to 13 directors.
• Merger closing date: July 20, 2026 (new directors effective that date).
• Committee appointments effective: July 28, 2026.
• New director roles include multiple governance, risk, operations and technology committees; one new director (Klein) is an existing company executive.

Why It Matters

• These are governance changes tied directly to Columbia Financial’s acquisition of Northfield Bancorp; adding directors and specific committee assignments helps ensure oversight for integration, risk management, operations and technology.
• For investors, the updates signal the company is formalizing post-merger leadership and committee coverage (including audit and compensation committees) and confirms compliance with Nasdaq and regulatory committee requirements.