<SEC-DOCUMENT>0000944480-19-000046-index.html : 20190531
<SEC-HEADER>0000944480-19-000046.hdr.sgml : 20190531
<ACCEPTANCE-DATETIME>20190531161533
ACCESSION NUMBER:		0000944480-19-000046
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190531
DATE AS OF CHANGE:		20190531
EFFECTIVENESS DATE:		20190531

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14785
		FILM NUMBER:		19870615

	BUSINESS ADDRESS:	
		STREET 1:		1332 LONDONTOWN BLVD
		CITY:			SYKESVILLE
		STATE:			MD
		ZIP:			21784
		BUSINESS PHONE:		4109707874

	MAIL ADDRESS:	
		STREET 1:		1332 LONDONTOWN BLVD
		CITY:			SYKESVILLE
		STATE:			MD
		ZIP:			21784
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>defa14a_15may19.htm
<DESCRIPTION>GSE DEFINITIVE ADDITIONAL MATERIALS FOR PROXY STATEMENT 2019-05-31
<TEXT>
Document 1 - file: defa14a_15may19.htm

</DOCUMENT>
</SEC-DOCUMENT>