Form 3 Filing: Jim Hobart Wainwright's Initial Beneficial Ownership in Columbia Financial, Inc.

This SEC Form 3 filing reports the initial beneficial ownership of Jim Hobart Wainwright, a director of Columbia Financial, Inc. (ticker: CLBK). The filing discloses that as of June 25, 2026, Wainwright holds 3,207 shares of common stock directly, 1,995 shares indirectly through an ESOP, and 2,952 shares in the form of stock awards granted under the company's 2019 Equity Incentive Plan. The stock awards are scheduled to vest on March 12, 2027. Wainwright is identified as a director of the company but not as an officer or 10% owner. The filing was signed by Dennis E. Gibney under a power of attorney on behalf of Wainwright. This initial ownership statement provides transparency about the director's equity position in the company.