Form 4 Filing for Stephen J. Guillaume

Stephen J. Guillaume, Senior Vice President at Citizens Financial Services Inc., reported a transaction on August 31, 2026. The filing indicates the acquisition of 24 shares of COMMON CLASS stock at a price of $76.32 per share. Following this transaction, Mr. Guillaume directly owns 5093.5722 shares. The transaction was reported on September 1, 2026, under Form 4.