    <SEC-DOCUMENT>0001193125-15-392141-index.html : 20151201
    <SEC-HEADER>0001193125-15-392141.hdr.sgml : 20151201
    <ACCEPTANCE-DATETIME>20151201172259
    ACCESSION NUMBER:		0001193125-15-392141
    CONFORMED SUBMISSION TYPE:	SC 13D/A
    PUBLIC DOCUMENT COUNT:		2
    FILED AS OF DATE:		20151201
    DATE AS OF CHANGE:		20151201
    GROUP MEMBERS:		RED MOUNTAIN CAPITAL MANAGEMENT, INC.
    GROUP MEMBERS:		RED MOUNTAIN PARTNERS, L.P.
    GROUP MEMBERS:		RMCP GP LLC
    GROUP MEMBERS:		WILLEM MESDAG

    SUBJECT COMPANY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			IROBOT CORP
    		CENTRAL INDEX KEY:			0001159167
    		STANDARD INDUSTRIAL CLASSIFICATION:	HOUSEHOLD APPLIANCES [3630]
    		IRS NUMBER:				770259335
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1227

    	FILING VALUES:
    		FORM TYPE:		SC 13D/A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	005-81476
    		FILM NUMBER:		151263080

    	BUSINESS ADDRESS:
    		STREET 1:		8 CROSBY DRIVE
    		CITY:			BEDFORD
    		STATE:			MA
    		ZIP:			01730
    		BUSINESS PHONE:		781-430-3000

    	MAIL ADDRESS:
    		STREET 1:		8 CROSBY DRIVE
    		CITY:			BEDFORD
    		STATE:			MA
    		ZIP:			01730

    FILED BY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			RED MOUNTAIN CAPITAL PARTNERS LLC
    		CENTRAL INDEX KEY:			0001374588
    		IRS NUMBER:				731726370
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		SC 13D/A

    	BUSINESS ADDRESS:
    		STREET 1:		10100 SANTA MONICA BOULEVARD
    		STREET 2:		SUITE 925
    		CITY:			LOS ANGELES
    		STATE:			CA
    		ZIP:			90067
    		BUSINESS PHONE:		(310) 432-0207

    	MAIL ADDRESS:
    		STREET 1:		10100 SANTA MONICA BOULEVARD
    		STREET 2:		SUITE 925
    		CITY:			LOS ANGELES
    		STATE:			CA
    		ZIP:			90067
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>SC 13D/A
    <SEQUENCE>1
    <FILENAME>d24166dsc13da.htm
    <DESCRIPTION>SC 13D/A
    <TEXT>
    Document 1 - file: d24166dsc13da.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>SC 13D/A
    <SEQUENCE>2
    <FILENAME>d24166dsc13da1.pdf
    <DESCRIPTION>EX-99.2 - LETTER TO ISSUER'S CHAIRMAN AND CEO
    <TEXT>
    Document 2 - file: d24166dsc13da1.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>