Columbia Financial, Inc. announced that stockholders approved a Plan of Conversion and Reorganization to transition Columbia Bank MHC from a mutual holding company to a fully public stock holding company. Additionally, stockholders approved the simultaneous acquisition of Northfield Bancorp, Inc. upon completion of the Conversion. Columbia Financial, Inc. operates in the financial services industry as a bank holding company.

Columbia Financial, Inc. shareholders approved the Plan of Conversion and Reorganization and the Agreement and Plan of Merger dated January 31, 2026, involving Columbia Bank MHC and Northfield Bancorp, Inc. during the annual meeting held on June 25, 2026. The merger proposal received 97,556,753 votes in favor. Additionally, shareholders elected Dennis E. Gibney, Robert Van Dyk, and James H. Wainwright to the Board of Directors, ratified KPMG LLP as the independent auditor, and approved advisory compensation matters. The company is a financial services provider.