<SEC-DOCUMENT>9999999997-15-009139-index.html : 20150505
<SEC-HEADER>9999999997-15-009139.hdr.sgml : 20150505
<ACCEPTANCE-DATETIME>20150505112752
<PAPER>
ACCESSION NUMBER:		9999999997-15-009139
CONFORMED SUBMISSION TYPE:	ARS
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20141231
FILED AS OF DATE:		20150416
DATE AS OF CHANGE:		20150505
EFFECTIVENESS DATE:		20150416

FILER:

	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

	FILING VALUES:
		FORM TYPE:		ARS
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34387
		FILM NUMBER:		15006763

	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>ARS
<SEQUENCE>1
<FILENAME>9999999997-15-009139.paper
<DESCRIPTION>AUTO-GENERATED PAPER DOCUMENT
<TEXT>
Document 1 - file: 9999999997-15-009139.paper

</DOCUMENT>
</SEC-DOCUMENT>