Insider Transaction Report for Robert Victor Hintelmann Jr.

This filing details a transaction by Robert Victor Hintelmann Jr., Chief Credit Officer of Burke & Herbert Financial Services Corp. On August 31, 2026, Hintelmann acquired 76 shares of common stock through the company's 2023 Employee Stock Purchase Plan (ESPP). The purchase price was $54.77 per share, representing 85% of the closing stock price on February 27, 2026, as per ESPP rules. These shares were acquired in transactions exempt under Rule 16b-3(c) and Rule 16b-3(d). Following this transaction, Hintelmann directly owns 8550 shares of the company's common stock. The filing was signed on September 29, 2026, by an attorney-in-fact for Hintelmann.