Form 4 Filing for Princeton Bancorp, Inc.

Robert N. Ridolfi, a director at Princeton Bancorp, Inc. (BPRN), acquired 605 shares of phantom stock on December 22, 2025. This acquisition, valued at $35.67 per share, was made under the issuer's Non-Employee Directors Deferred Compensation Plan. Each phantom stock share is economically equivalent to one share of BPRN common stock and becomes payable upon Ridolfi's termination of service as a director. Following this transaction, Ridolfi now owns 8,633 shares of phantom stock. The filing was signed by Edward Hogan as attorney-in-fact for Robert N. Ridolfi on December 23, 2025.