0001567619-21-009601.txt : 20210511 0001567619-21-009601.hdr.sgml : 20210511 20210511182827 ACCESSION NUMBER: 0001567619-21-009601 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210511 FILED AS OF DATE: 20210511 DATE AS OF CHANGE: 20210511 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Horn Donald CENTRAL INDEX KEY: 0001850386 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-14785 FILM NUMBER: 21912839 MAIL ADDRESS: STREET 1: GSE SYSTEMS INC STREET 2: 6940 COLUMBIA GATEWAY DRIVE, SUITE 470 CITY: COLUMBIA STATE: MD ZIP: 21046-3308 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: GSE SYSTEMS INC CENTRAL INDEX KEY: 0000944480 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] IRS NUMBER: 521868008 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 6940 COLUMBIA GATEWAY DRIVE, SUITE 470 CITY: COLUMBIA STATE: MD ZIP: 21046-3308 BUSINESS PHONE: 4109707874 MAIL ADDRESS: STREET 1: 6940 COLUMBIA GATEWAY DRIVE, SUITE 470 CITY: COLUMBIA STATE: MD ZIP: 21046-3308 4 1 doc1.xml FORM 4 X0306 4 2021-05-11 0 0000944480 GSE SYSTEMS INC GVP 0001850386 Horn Donald 6940 COLUMBIA GATEWAY DRIVE SUITE 470 COLUMBIA MD 21046 0 1 0 0 President, Engineering Svcs Common Stock 2021-05-11 4 F 0 1141 1.33 D 6780 D Shares withheld by the Issuer for payment of applicable taxes owed due to the vesting of 3,334 restricted share units pursuant to a restricted share unit agreement between the Reporting Person and the issuer. /s/ Donald Horn 2021-05-11