X0508 4 2024-01-01 0 0001082324 VirnetX Holding Corp VHC 0001179974 MCBRIDE DARL C 308 DORLA COURT SUITE 206 ZEPHYR COVE NV 89448 0 1 0 0 Chief Operating Officer 0 Common Stock 2024-01-01 4 A 0 6000 0.00 A 7969 D 1/2 of the total number of restricted shares ("Restricted Stock") shall vest and become exercisable on the one-year anniversary of the grant date, and the remaining shares of Restricted Stock shall vest on the one year anniversary thereafter, so long as the Reporting Person's continuous status as a Service Provider (as defined in the Company's 2013 Equity Incentive Plan) has not terminated prior to such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest and become exercisable immediately prior to the consummation of the Change in Control transaction. /s/ Kendall Larsen, Attorney-in-fact for Darl C. McBride 2024-01-03