<SEC-DOCUMENT>0001013594-17-000491-index.html : 20170719
<SEC-HEADER>0001013594-17-000491.hdr.sgml : 20170719
<ACCEPTANCE-DATETIME>20170719171715
ACCESSION NUMBER:		0001013594-17-000491
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170719
DATE AS OF CHANGE:		20170719

SUBJECT COMPANY:	

	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:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-45775
		FILM NUMBER:		17972858

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Nierenberg Investment Management Company, Inc.
		CENTRAL INDEX KEY:			0001282683
		IRS NUMBER:				911677205
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		19605 NE 8TH ST
		CITY:			CAMAS
		STATE:			WA
		ZIP:			98607
		BUSINESS PHONE:		360-604-8600

	MAIL ADDRESS:	
		STREET 1:		19605 NE 8TH ST
		CITY:			CAMAS
		STATE:			WA
		ZIP:			98607

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NIERENBERG INVESTMENT MANAGEMENT CO
		DATE OF NAME CHANGE:	20040304
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>radisys13da-071917.htm
<DESCRIPTION>JULY 19, 2017
<TEXT>
Document 1 - file: radisys13da-071917.htm

</DOCUMENT>
</SEC-DOCUMENT>