X0609 4 2026-05-15 0 0001964333 Burke & Herbert Financial Services Corp. BHRB 0001459685 LUNDBLAD CARL D false 100 SOUTH FAIRFAX STREET ALEXANDRIA VA 22314 0 1 0 0 EVP, Chief Operating Officer 0 Common Stock 2026-05-15 4 A 0 9743 0 A 20228 D Common Stock 1710 I By IRA The RSUs will vest in two equal annual installments on the first and second anniversary of the grant date, subject to the reporting person's continued employment through each applicable vesting date. Each RSU will be settled in a share of Burke & Herbert Financial Services Corp. common stock. /s/ Matthew Rucker, as Attorney-in-Fact for Carl D. Lundblad 2026-05-19