FAIR LAWN, N.J. and WOODBRIDGE, N.J., June 11, 2026 (GLOBE NEWSWIRE) -- Columbia Financial, Inc. ("Columbia") (NASDAQ:CLBK), a Delaware corporation and the mid-tier holding company for Columbia Bank (the "Bank"), and Northfield Bancorp, Inc. ("Northfield") (NASDAQ:NFBK), the holding company for Northfield Bank, jointly announced today that Columbia has provided an election form and letter of transmittal (together with the related instructions, t…