X0508 4 2024-07-22 0000944480 GSE SYSTEMS INC GVP 0001735299 Khanna Ravi GSE SYSTEMS, INC. 6940 COLUMBIA GATEWAY DR STE 470 COLUMBIA MD 21046 true true President & CEO false Common Stock 2024-07-22 4 F 0 1535 3.49 D 6476 D Common Stock 2024-07-22 4 M 0 5000 3.49 A 11476 D Shares withheld by the Issuer for payment of applicable taxes owed due to the vesting of 5,000 restricted share units pursuant to one restricted share unit agreement between the Reporting Person and the Issuer. /s/ Khanna Ravi 2024-08-05