<SEC-DOCUMENT>0000873044-18-000042-index.html : 20180409
<SEC-HEADER>0000873044-18-000042.hdr.sgml : 20180409
<ACCEPTANCE-DATETIME>20180409132420
ACCESSION NUMBER:		0000873044-18-000042
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20180409
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180409
DATE AS OF CHANGE:		20180409

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RADISYS CORP
		CENTRAL INDEX KEY:			0000873044
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER PERIPHERAL EQUIPMENT, NEC [3577]
		IRS NUMBER:				930945232
		STATE OF INCORPORATION:			OR
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26844
		FILM NUMBER:		18745146

	BUSINESS ADDRESS:	
		STREET 1:		5435 NE DAWSON CREEK DR
		CITY:			HILLSBORO
		STATE:			OR
		ZIP:			97124
		BUSINESS PHONE:		5036151100

	MAIL ADDRESS:	
		STREET 1:		5435 NE DAWSON CREEK DRIVE
		CITY:			HILLSBORO
		STATE:			OR
		ZIP:			97124
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a033120188-kearningsrelease.htm
<DESCRIPTION>03.31.2018 8-K EARNINGS PRELIMINARY RELEASE
<TEXT>
Document 1 - file: a033120188-kearningsrelease.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>exhibit991-0331188xkprelim.htm
<DESCRIPTION>EXHIBIT 99.1 PRESS RELEASE
<TEXT>
Document 2 - file: exhibit991-0331188xkprelim.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>q118prereleasev4002image2.jpg
<TEXT>
Document 3 - file: q118prereleasev4002image2.jpg

</DOCUMENT>
</SEC-DOCUMENT>