144 0001964513 XXXXXXXX LIVE 0001964333 Burke & Herbert Financial Services Corp. 001-41633 100 S. FAIRFAX STREET ALEXANDRIA VA 22314 703-666-3555 Bonnafe Katherine Diane Director Common Charles Schwab Corp.

3000 Schwab Way Westlake TX 76262

1000 73653.06 20149806 08/03/2026 NASDAQ Common 11/19/2018 Stock Award Issuer N 200 11/19/2018 N/A Common 08/14/2024 Stock Award Issuer N 800 08/14/2024 N/A Y This is a late filing for shares that were sold on 8/3/26. 08/06/2026 KATHERINE DIANE BONNAFE