<SEC-DOCUMENT>0000947871-20-000128-index.html : 20200214
<SEC-HEADER>0000947871-20-000128.hdr.sgml : 20200214
<ACCEPTANCE-DATETIME>20200214160617
ACCESSION NUMBER:		0000947871-20-000128
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200214
DATE AS OF CHANGE:		20200214
GROUP MEMBERS:		ANDREW H. WARFORD
GROUP MEMBERS:		LEE S. AINSLIE III
GROUP MEMBERS:		MAVERICK CAPITAL MANAGEMENT, LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CASTLIGHT HEALTH, INC.
		CENTRAL INDEX KEY:			0001433714
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				261989091
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-88076
		FILM NUMBER:		20619491

	BUSINESS ADDRESS:	
		STREET 1:		150 SPEAR STREET
		STREET 2:		SUITE 400
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94105
		BUSINESS PHONE:		415-671-4683

	MAIL ADDRESS:	
		STREET 1:		150 SPEAR STREET
		STREET 2:		SUITE 400
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VENTANA HEALTH SERVICES, INC.
		DATE OF NAME CHANGE:	20090831

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MARIA HEALTH INC
		DATE OF NAME CHANGE:	20080429

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MAVERICK CAPITAL LTD
		CENTRAL INDEX KEY:			0000934639
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			TX

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		1900 N. PEARL STREET, 20TH FLOOR
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
		BUSINESS PHONE:		214.880.4050

	MAIL ADDRESS:	
		STREET 1:		1900 N. PEARL STREET, 20TH FLOOR
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>ss165787_sc13ga.htm
<DESCRIPTION>AMENDMENT NO 7
<TEXT>
Document 1 - file: ss165787_sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>