X0508 4 2026-01-22 0 0001964333 Burke & Herbert Financial Services Corp. BHRB 0001964158 Halyama Roy Eugene 100 SOUTH FAIRFAX STREET ALEXANDRIA VA 22314 0 1 0 0 EVP, Chief Financial Officer 0 Common Stock 2026-01-22 4 A 0 3650 0 A 23703 D The reporting person received an award of 3,650 time-based restricted stock units (RSUs). The award will vest in three equal annual installments 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 Roy E. Halyama 2026-02-19