<SEC-DOCUMENT>0000921895-15-000693-index.html : 20150323
<SEC-HEADER>0000921895-15-000693.hdr.sgml : 20150323
<ACCEPTANCE-DATETIME>20150323140216
ACCESSION NUMBER:		0000921895-15-000693
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20150323
DATE AS OF CHANGE:		20150323

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OM GROUP INC
		CENTRAL INDEX KEY:			0000899723
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS MANUFACTURING INDUSTRIES [3990]
		IRS NUMBER:				521736882
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-42673
		FILM NUMBER:		15718619

	BUSINESS ADDRESS:	
		STREET 1:		950 MAIN AVENUE
		STREET 2:		SUITE 1300
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44113
		BUSINESS PHONE:		2167810083

	MAIL ADDRESS:	
		STREET 1:		950 MAIN AVENUE
		STREET 2:		SUITE 1300
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44113

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FrontFour Capital Group LLC
		CENTRAL INDEX KEY:			0001430308
		IRS NUMBER:				205997207
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		35 MASON STREET, 4TH FLOOR
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		203-274-9052

	MAIL ADDRESS:	
		STREET 1:		35 MASON STREET, 4TH FLOOR
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>sc13da308016008_03232015.htm
<DESCRIPTION>AMENDMENT NO. 3 TO THE SCHEDULE 13D
<TEXT>
Document 1 - file: sc13da308016008_03232015.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>2
<FILENAME>ex991to13da308016008_032315.pdf
<DESCRIPTION>EXHIBIT 99.1 - SETTLEMENT AGREEMENT, DATED MARCH 23, 2015
<TEXT>
Document 2 - file: ex991to13da308016008_032315.pdf

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>ex992to13da308016008_032315.htm
<DESCRIPTION>JOINT FILING AGREEMENT, DATED MARCH 23, 2015
<TEXT>
Document 3 - file: ex992to13da308016008_032315.htm

</DOCUMENT>
</SEC-DOCUMENT>