Columbia Financial to Merge with Northfield Bancorp

Columbia Financial, Inc. has entered into an agreement and plan of merger with Northfield Bancorp, Inc. The filing is dated January 31, 2026 and includes provisions covering the merger structure, closing, and effective time.

The agreement outlines the conversion of Northfield’s capital stock into Columbia stock, proration and election/exchange procedures, and the treatment of Northfield equity awards. It also sets out regulatory matters, stockholder approvals, and conditions precedent for closing, including listing requirements and employee-related covenants.