<SEC-DOCUMENT>0000950142-15-000371-index.html : 20150218
<SEC-HEADER>0000950142-15-000371.hdr.sgml : 20150216
<ACCEPTANCE-DATETIME>20150217160718
ACCESSION NUMBER:		0000950142-15-000371
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150217
DATE AS OF CHANGE:		20150217
GROUP MEMBERS:		MARCATO CAPITAL MANAGEMENT LP
GROUP MEMBERS:		RICHARD T. MCGUIRE III

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GENCORP INC
		CENTRAL INDEX KEY:			0000040888
		STANDARD INDUSTRIAL CLASSIFICATION:	FABRICATED RUBBER PRODUCTS, NEC [3060]
		IRS NUMBER:				340244000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-16268
		FILM NUMBER:		15622295

	BUSINESS ADDRESS:	
		STREET 1:		2001 AEROJET ROAD
		CITY:			RANCHO CORDOVA
		STATE:			CA
		ZIP:			95742
		BUSINESS PHONE:		916-355-4000

	MAIL ADDRESS:	
		STREET 1:		2001 AEROJET ROAD
		CITY:			RANCHO CORDOVA
		STATE:			CA
		ZIP:			95742

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GENERAL TIRE & RUBBER CO
		DATE OF NAME CHANGE:	19840330

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARCATO CAPITAL MANAGEMENT LP
		CENTRAL INDEX KEY:			0001541996
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		ONE MONTGOMERY STREET
		STREET 2:		SUITE 3250
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
		BUSINESS PHONE:		415-796-6352

	MAIL ADDRESS:	
		STREET 1:		ONE MONTGOMERY STREET
		STREET 2:		SUITE 3250
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MARCATO CAPITAL MANAGEMENT LLC
		DATE OF NAME CHANGE:	20120209
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>eh1500255_13ga3-gencorp.htm
<DESCRIPTION>AMENDMENT NO. 3
<TEXT>
Document 1 - file: eh1500255_13ga3-gencorp.htm

</DOCUMENT>
</SEC-DOCUMENT>