<SEC-DOCUMENT>0001209191-21-021166.txt : 20210316
<SEC-HEADER>0001209191-21-021166.hdr.sgml : 20210316
<ACCEPTANCE-DATETIME>20210316194642
ACCESSION NUMBER:		0001209191-21-021166
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210312
FILED AS OF DATE:		20210316
DATE AS OF CHANGE:		20210316

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CAMPANELLO RUSSELL J
		CENTRAL INDEX KEY:			0001263338
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING SERVICES [7371]
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36414
		FILM NUMBER:		21747883

	BUSINESS ADDRESS:	
		STREET 1:		C/O PHASE FORWARD INCORPORATED
		STREET 2:		77 FOURTH AVENUE
		CITY:			WALTHAM
		STATE:			X1
		ZIP:			02451
		BUSINESS PHONE:		888-703-1122

	MAIL ADDRESS:	
		STREET 1:		C/O PHASE FORWARD INCORPORATED
		STREET 2:		77 FOURTH AVENUE
		CITY:			WALTHAM
		STATE:			X1
		ZIP:			02451

	FORMER NAME:	
		FORMER CONFORMED NAME:	CAMPANIELLO RUSSELL J
		DATE OF NAME CHANGE:	20030911

ISSUER:		

	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:			1228

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-03-12</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001159167</issuerCik>
        <issuerName>IROBOT CORP</issuerName>
        <issuerTradingSymbol>IRBT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001263338</rptOwnerCik>
            <rptOwnerName>CAMPANELLO RUSSELL J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O IROBOT CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>8 CROSBY DRIVE</rptOwnerStreet2>
            <rptOwnerCity>BEDFORD</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01730</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP Human Resources, Corp Comm</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-03-12</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4953</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>46522</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Consists of a restricted stock unit award made pursuant to the iRobot Corporation 2018 Stock Option and Incentive Plan. The restricted stock units vest over a four-year period, at a rate of twenty-five percent (25%) on each anniversary of the grant. Vested shares will be delivered to the reporting person as soon as practicable following each vesting date, but in no event later than 30 days after each such vesting date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Glen D. Weinstein, Attorney-in-Fact</signatureName>
        <signatureDate>2021-03-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
