X0609 4/A 2026-06-25 2026-06-29 0 0001964333 Burke & Herbert Financial Services Corp. BHRB 0001186827 MADDY H CHARLES III false 100 SOUTH FAIRFAX STREET ALEXANDRIA VA 22314 1 1 0 0 President 0 Common Stock 2026-06-25 4 F 0 12545 67.85 D 46477 D This Form 4/A is being filed to amend the Form 4 filed on June 29, 2026 to correct the number of shares of Common Stock issued upon settlement of stock-settled SARs exercised on June 25, 2026. The original filing used an estimated fair market value to calculate the number of shares deliverable upon settlement; following final calculation of the fair market value on the exercise date, the number of shares issued was adjusted from 3,554 shares to 3,389 shares. This amendment restates the affected line item in Table I accordingly. /s/ Matthew Rucker, as Attorney-in-Fact for H. Charles Maddy III 2026-08-12