<SEC-DOCUMENT>0001453814-18-000004-index.html : 20180126
<SEC-HEADER>0001453814-18-000004.hdr.sgml : 20180126
<ACCEPTANCE-DATETIME>20180126163206
ACCESSION NUMBER:		0001453814-18-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180124
FILED AS OF DATE:		20180126
DATE AS OF CHANGE:		20180126

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Bergmann Rouven
		CENTRAL INDEX KEY:			0001641826

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34387
		FILM NUMBER:		18552311

	MAIL ADDRESS:	
		STREET 1:		C/O MEDIDATA SOLUTIONS, INC.
		STREET 2:		350 HUDSON STREET, 9TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Medidata Solutions, Inc.
		CENTRAL INDEX KEY:			0001453814
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				522319066
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		350 HUDSON ST.,  9TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014
		BUSINESS PHONE:		212.918.1800

	MAIL ADDRESS:	
		STREET 1:		350 HUDSON ST.,  9TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_151700231207431.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_151700231207431.html

Document 1 - RAW XML: wf-form4_151700231207431.xml

</DOCUMENT>
</SEC-DOCUMENT>