Form 4 Filing for Pathfinder Bancorp, Inc. - Joseph F. Serbun Transaction

This Form 4 filing details a transaction by Joseph F. Serbun, Senior Vice President at Pathfinder Bancorp, Inc. (PBHC). Following the transaction on April 8, 2026, Mr. Serbun has 4 shares of Common Stock held through an ESOP, allocated in April 2026, and 16,000 shares held directly. The filing was signed on April 10, 2026.