<SEC-DOCUMENT>0001209191-17-031386.txt : 20170510
<SEC-HEADER>0001209191-17-031386.hdr.sgml : 20170510
<ACCEPTANCE-DATETIME>20170510174754
ACCESSION NUMBER:		0001209191-17-031386
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20170508
FILED AS OF DATE:		20170510
DATE AS OF CHANGE:		20170510

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			iRhythm Technologies, Inc.
		CENTRAL INDEX KEY:			0001388658
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				208149544
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		650 TOWNSEND STREET
		STREET 2:		SUITE 380
		CITY:			San Francisco
		STATE:			CA
		ZIP:			94103
		BUSINESS PHONE:		415-632-5700

	MAIL ADDRESS:	
		STREET 1:		650 TOWNSEND STREET
		STREET 2:		SUITE 380
		CITY:			San Francisco
		STATE:			CA
		ZIP:			94103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IRhythm Technologies, Inc.
		DATE OF NAME CHANGE:	20110429

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IRhythm Technologies Inc
		DATE OF NAME CHANGE:	20070201

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HAQUE PROMOD
		CENTRAL INDEX KEY:			0001089744
		STATE OF INCORPORATION:			CA

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37918
		FILM NUMBER:		17831747

	MAIL ADDRESS:	
		STREET 1:		C/O NORWEST VENTURE PARTNERS
		STREET 2:		525 UNIVERSITY AVENUE, SUITE 800
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Norwest Venture Partners XII, LP
		CENTRAL INDEX KEY:			0001614660
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37918
		FILM NUMBER:		17831748

	BUSINESS ADDRESS:	
		STREET 1:		525 UNIVERSITY AVENUE, SUITE 800
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301
		BUSINESS PHONE:		650-321-8000

	MAIL ADDRESS:	
		STREET 1:		525 UNIVERSITY AVENUE, SUITE 800
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Howard Matthew D.
		CENTRAL INDEX KEY:			0001576176

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37918
		FILM NUMBER:		17831749

	MAIL ADDRESS:	
		STREET 1:		525 UNIVERSITY AVENUE
		STREET 2:		SUITE 800
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Crowe Jeffrey
		CENTRAL INDEX KEY:			0001535261

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37918
		FILM NUMBER:		17831750

	MAIL ADDRESS:	
		STREET 1:		525 UNIVERSITY AVENUE
		STREET 2:		SUITE 800
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Norwest Venture Partners XI, LP
		CENTRAL INDEX KEY:			0001534522
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37918
		FILM NUMBER:		17831751

	BUSINESS ADDRESS:	
		STREET 1:		525 UNIVERSITY AVENUE
		STREET 2:		SUITE 800
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301
		BUSINESS PHONE:		650-321-8000

	MAIL ADDRESS:	
		STREET 1:		525 UNIVERSITY AVENUE
		STREET 2:		SUITE 800
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301
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<SEQUENCE>1
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<DESCRIPTION>FORM 4 SUBMISSION
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    <periodOfReport>2017-05-08</periodOfReport>

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    <issuer>
        <issuerCik>0001388658</issuerCik>
        <issuerName>iRhythm Technologies, Inc.</issuerName>
        <issuerTradingSymbol>IRTC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001534522</rptOwnerCik>
            <rptOwnerName>Norwest Venture Partners XI, LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>525 UNIVERSITY AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 800</rptOwnerStreet2>
            <rptOwnerCity>PALO ALTO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94301</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001535261</rptOwnerCik>
            <rptOwnerName>Crowe Jeffrey</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>525 UNIVERSITY AVENUE, SUITE 800</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PALO ALTO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94301</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
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            <isOther>0</isOther>
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    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001576176</rptOwnerCik>
            <rptOwnerName>Howard Matthew D.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>525 UNIVERSITY AVENUE, SUITE 800</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PALO ALTO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94301</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001614660</rptOwnerCik>
            <rptOwnerName>Norwest Venture Partners XII, LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>525 UNIVERSITY AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 800</rptOwnerStreet2>
            <rptOwnerCity>PALO ALTO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94301</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001089744</rptOwnerCik>
            <rptOwnerName>HAQUE PROMOD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>525 UNIVERSITY AVENUE, SUITE 800</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PALO ALTO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94301</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2017-05-08</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>900000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>284747</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-05-08</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>900000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>284747</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Limited Partnership</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The securities shown on Line 1 of Table I represent securities held of record by Norwest Venture Partners XI, LP (&quot;NVP XI&quot;). By virtue of their positions as co-Chief Executive Officers of NVP Associates, LLC (&quot;NVP Associates&quot;), the managing member of the general partner of NVP XI, Promod Haque, Jeffrey Crowe and Matthew D. Howard may be deemed to share voting and dispositive power with respect to such securities. Messrs. Haque, Crowe and Howard disclaim beneficial ownership of all such securities, except to the extent of any pecuniary interest therein.</footnote>
        <footnote id="F2">Shares were disposed via a pro rata in-kind distribution of Issuer's common stock from NVP XI to its limited and general partners.</footnote>
        <footnote id="F3">Shares were disposed via a pro rata in-kind distribution of Issuer's common stock from Norwest Venture Partners XII, LP (&quot;NVP XII&quot;) to its limited and general partners.</footnote>
        <footnote id="F4">The securities shown on Line 2 of Table I represent securities held of record by NVP XII. By virtue of their positions as co-Chief Executive Officers of NVP Associates, the managing member of the general partner of NVP XII, Promod Haque, Jeffrey Crowe and Matthew D. Howard may be deemed to share voting and dispositive power with respect to such securities. Messers. Haque, Crowe and Howard disclaim beneficial ownership of all such securities, except to the extent of any pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Kurt Betcher, As Attorney-in-fact</signatureName>
        <signatureDate>2017-05-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>attachment1.txt
<DESCRIPTION>EX-99.1 DOCUMENT
<TEXT>
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<PRE>
										Exhibit 99.1


FORM 4
JOINT FILER INFORMATION



Name of "Reporting Persons":		Norwest Venture Partners XI, LP
						Norwest Venture Partners XII, LP
						Promod Haque
						Jeffrey Crowe
						Matthew D. Howard

Address:					525 University Avenue, Suite 800
						Palo Alto, CA  94301

Designated Filer:				Norwest Venture Partners XI, LP

Issuer and Ticker Symbol:		iRhythm Technologies, Inc. [IRTC]

Date of Earliest Transaction:	May 8, 2017



Each of the Joint Filers with Norwest Venture Partners XI, LP may be deemed to
share indirect beneficial ownership in the securities set forth on the attached
Form 4.

Norwest Venture Partners XI, LP ("NVP XI") is the record holder of shares
reported on Line 1 of Table I.  Norwest Venture Partners XII, LP ("NVP XII") is
the record holder of shares reported on Line 2 of Table 1. Messrs. Haque, Crowe
and Howard are Co-Chief Executive Officers of NVP Associates, LLC ("NVP
Associates"), the managing member of the general partner of NVP XI and NVP XII.
By virtue of such position, Messrs. Haque, Crowe and Howard may be deemed to
beneficially own the shares held of record by NVP XI and NVP XII.

All Reporting Persons disclaim beneficial ownership of shares of iRhythm
Technologies, Inc. stock held by each other Reporting Person, except to the
extent of their respective pecuniary interest therein. The filing of this
statement shall not be deemed an admission that, for purposes of Section 16 of
the Securities Exchange Act of 1934, or otherwise, any of the Reporting Persons
are the beneficial owners of all of the equity securities covered by this
statement.

Each of the Reporting Persons listed above hereby designates NVP XI as its
designated filer of Forms 3, 4 and 5 in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules thereunder.




						NORWEST VENTURE PARTNERS XI, LP
						By: 	NVP Associates, LLC
						Its Managing Member

						By: /s/ Kurt Betcher
						Its Administrative Partner





						NORWEST VENTURE PARTNERS XII, LP
						By: 	NVP Associates, LLC
							Its Managing Member


						By: /s/ Kurt Betcher
						Its Administrative Partner



PROMOD HAQUE
By: /s/ Kurt L. Betcher, as Attorney-in-Fact


						By: /s/ Kurt Betcher



JEFFREY CROWE
By: /s/ Kurt L. Betcher, as Attorney-in-Fact


						By: /s/ Kurt Betcher

MATTHEW D. HOWARD
By: /s/ Kurt L. Betcher, as Attorney-in-Fact

       					By: /s/ Kurt Betcher







</PRE>
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