<SEC-DOCUMENT>0000944480-21-000017-index.html : 20210414
<SEC-HEADER>0000944480-21-000017.hdr.sgml : 20210414
<ACCEPTANCE-DATETIME>20210414160753
ACCESSION NUMBER:		0000944480-21-000017
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20210414
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20210414
DATE AS OF CHANGE:		20210414

FILER:

	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

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14785
		FILM NUMBER:		21825797

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>fomr8-k_gse50th.htm
<DESCRIPTION>FORM 8-K GSE SYSTEMS 50TH ANNIVERSARY
<TEXT>
Document 1 - file: fomr8-k_gse50th.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>exh99-1.htm
<DESCRIPTION>EXHIBIT 99.1 PRESS RELEASE - GSE CELEBRATES 50 YEARS OF EXCELLENCE WITH A NEW 5-YEAR VISION TO BROADEN ITS REACH AMONG DECARBONIZATION SECTORS
<TEXT>
Document 2 - file: exh99-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>image00001.jpg
<TEXT>
Document 3 - file: image00001.jpg

</DOCUMENT>
</SEC-DOCUMENT>