X0508 4 2026-01-22 0 0001964333 Burke & Herbert Financial Services Corp. BHRB 0002060508 Hintelmann Robert Victor Jr. 100 SOUTH FAIRFAX STREET ALEXANDRIA VA 22314 0 1 0 0 Chief Credit Officer 0 Common Stock 2026-01-22 4 A 0 2850 0 A 6350 D The reporting person received an award of 2,850 time based restricted stock units ("RSUs"). The award will vest in three annual installments beginning on May 3, 2026, subject to the reporting person's continued employment through each applicable vesting date. Each vested RSU will be settled in share of Burke & Herbert Financial Services Corp. common stock within 60 days of the vested date. /s/ Matthew Rucker, as Attorney-in-Fact for Robert V. Hintelmann, Jr. 2026-01-23