Director Jill S. Upson Sells 1,112 Shares of Burke & Herbert Financial Services Corp. Common Stock

This SEC Form 4 filing reports that Jill S. Upson, a director of Burke & Herbert Financial Services Corp. (BHRB), sold 1,112 shares of common stock on May 20, 2026, at a price of $63.305 per share. Following this transaction, Upson retains ownership of 2,000 shares. The filing includes a Power of Attorney document authorizing designated attorneys-in-fact to handle SEC filings on Upson's behalf, including Forms 3, 4, 5, Schedules 13D/13G, and Forms 144. The Power of Attorney was executed in June 2025 and remains in effect until Upson is no longer required to file these forms. This transaction represents a routine sale by a company director and is accompanied by standard legal documentation for SEC compliance.