Columbia Financial has completed a major corporate restructuring and expansion announced on July 20, 2026. The New Jersey-based company said it finished the conversion of its former mutual holding company structure, completed a $1.7 billion stock offering and acquired Northfield Bancorp, Inc.
The transaction changes Columbia’s ownership framework. Columbia Bank is now wholly owned by Columbia Financial, while the company itself is publicly owned. The announcement identifies Columbia Financial as a Maryland corporation and successor to the former Delaware corporation that served as the holding company.
For small and mid-sized business owners, the practical significance is that a banking partner may be operating under a substantially different ownership and capital structure. That can matter over time because ownership changes and a large stock offering may influence how a financial institution approaches growth, integration and its broader business priorities.
However, the information released in the supplied announcement does not set out specific changes to customer accounts, lending arrangements, branch operations, pricing or service levels. Business customers connected with Columbia Bank or Northfield Bancorp should therefore rely on direct communications from their bank for any account-specific instructions, and should avoid assuming that the ownership transition automatically changes existing arrangements.
GlobeNewswire — Public Cos. reported the announcement. The release names Columbia Financial’s Nasdaq Global Select Market ticker as CLBK and describes the transaction as the completion of the second step in the company’s conversion process.
Source: GlobeNewswire — Public Cos.
