<SEC-DOCUMENT>0001193125-16-742026-index.html : 20161019
<SEC-HEADER>0001193125-16-742026.hdr.sgml : 20161019
<ACCEPTANCE-DATETIME>20161019213428
ACCESSION NUMBER:		0001193125-16-742026
CONFORMED SUBMISSION TYPE:	S-1MEF
PUBLIC DOCUMENT COUNT:		4
<REFERENCE-462B>333-213773
FILED AS OF DATE:		20161019
DATE AS OF CHANGE:		20161019
EFFECTIVENESS DATE:		20161019

FILER:

	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

	FILING VALUES:
		FORM TYPE:		S-1MEF
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-214179
		FILM NUMBER:		161943407

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-1MEF
<SEQUENCE>1
<FILENAME>d277159ds1mef.htm
<DESCRIPTION>S-1MEF
<TEXT>
Document 1 - file: d277159ds1mef.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d277159dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d277159dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>d277159dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: d277159dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g277159g63l89.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g277159g63l89.jpg

</DOCUMENT>
</SEC-DOCUMENT>