X0609 4 2026-06-19 0 0001964333 Burke & Herbert Financial Services Corp. BHRB 0001208842 WILSON DAVID false 100 SOUTH FAIRFAX STREET ALEXANDRIA VA 22314 1 0 0 0 0 Common Stock 2026-06-19 4 A 0 1000 0 A 23348 D Common Stock 2751 I By Spouse Common Stock 38142 I By ADBM Landholdings, LLC Common Stock 5445 I By A.D.B.M. Properties, LLC Common Stock 881 I By Millsboro Auto Mart II, LLC Common Stock 881 I By Boulevard Auto Sales, Inc. Common Stock 260 I As Custodian for Poppy Kline under UGMA Common Stock 205 I As Custodian for Madison Wilson under UGMA Common Stock 362 I As Custodian for David Wilson, III under UGMA Common Stock 385 I As Custodian for Foxi Holland under UGMA Common Stock 400 I As Custodian for Leo McCraken under UGMA Common Stock 198 I As Custodian for Miles Holland under UGMA Restricted stock units awarded for service as a director. The units vest on the first anniversary of the grant date, subject to continued service and satisfaction of attendance requirements. /s/ Matthew Rucker, as Attorney-in-Fact for David H. Wilson, Sr. 2026-06-22