<SEC-DOCUMENT>0000899243-16-032257-index.html : 20161025
<SEC-HEADER>0000899243-16-032257.hdr.sgml : 20161025
<ACCEPTANCE-DATETIME>20161025132210
ACCESSION NUMBER:		0000899243-16-032257
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20161025
FILED AS OF DATE:		20161025
DATE AS OF CHANGE:		20161025

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:			New Leaf Venture Associates II, L.P.
		CENTRAL INDEX KEY:			0001441858
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37918
		FILM NUMBER:		161949978

	BUSINESS ADDRESS:	
		STREET 1:		TIMES SQUARE TOWER
		STREET 2:		7 TIMES SQUARE, SUITE 3502
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		646 871-6400

	MAIL ADDRESS:	
		STREET 1:		TIMES SQUARE TOWER
		STREET 2:		7 TIMES SQUARE, SUITE 3502
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HUNT RONALD
		CENTRAL INDEX KEY:			0001247851

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37918
		FILM NUMBER:		161949980

	MAIL ADDRESS:	
		STREET 1:		C/O CREDIT SUISSE 1ST BOSTON PRV EQY
		STREET 2:		11 MADISON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10010

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Delagardelle Jeani
		CENTRAL INDEX KEY:			0001441563

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37918
		FILM NUMBER:		161949981

	MAIL ADDRESS:	
		STREET 1:		C/O NEW LEAF VENTURE PARTNERS, L.L.C.
		STREET 2:		2500 SAND HILL ROAD, SUITE 203
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			New Leaf Ventures II, L.P.
		CENTRAL INDEX KEY:			0001441439
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37918
		FILM NUMBER:		161949982

	BUSINESS ADDRESS:	
		STREET 1:		TIMES SQUARE TOWER
		STREET 2:		7 TIMES SQUARE, SUITE 3502
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		(646) 871-6400

	MAIL ADDRESS:	
		STREET 1:		TIMES SQUARE TOWER
		STREET 2:		7 TIMES SQUARE, SUITE 3502
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			New Leaf Venture Management II, L.L.C.
		CENTRAL INDEX KEY:			0001441857
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37918
		FILM NUMBER:		161949984

	BUSINESS ADDRESS:	
		STREET 1:		TIMES SQUARE TOWER
		STREET 2:		7 TIMES SQUARE, SUITE 3502
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		646 871-6400

	MAIL ADDRESS:	
		STREET 1:		TIMES SQUARE TOWER
		STREET 2:		7 TIMES SQUARE, SUITE 3502
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ratcliffe Liam
		CENTRAL INDEX KEY:			0001547100

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37918
		FILM NUMBER:		161949979

	MAIL ADDRESS:	
		STREET 1:		C/O NEW LEAF VENTURE PARTNERS
		STREET 2:		7 TIMES SQUARE - SUITE 3502
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Chambon Philippe O.
		CENTRAL INDEX KEY:			0001192212

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37918
		FILM NUMBER:		161949983

	MAIL ADDRESS:	
		STREET 1:		C/O NEW LEAF VENTURE PARTNERS
		STREET 2:		7 TIMES SQUARE, SUITE 3502
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

	FORMER NAME:	
		FORMER CONFORMED NAME:	CHAMBON PHILIPPE
		DATE OF NAME CHANGE:	20020924
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
Document 1 - file: doc4.html

Document 1 - RAW XML: doc4.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>attachment1.htm
<DESCRIPTION>EX-99 DOCUMENT
<TEXT>
Document 2 - file: attachment1.htm

</DOCUMENT>
</SEC-DOCUMENT>