0001181431-11-049658.txt : 20110916 0001181431-11-049658.hdr.sgml : 20110916 20110916171358 ACCESSION NUMBER: 0001181431-11-049658 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110914 FILED AS OF DATE: 20110916 DATE AS OF CHANGE: 20110916 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Sherif Tarek CENTRAL INDEX KEY: 0001466275 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34387 FILM NUMBER: 111095923 MAIL ADDRESS: STREET 1: C/O MEDIDATA SOLUTIONS, INC. STREET 2: 79 FIFTH AVENUE, 8TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10003 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: 79 FIFTH AVENUE, 8TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10003 BUSINESS PHONE: 212.918.1800 MAIL ADDRESS: STREET 1: 79 FIFTH AVENUE, 8TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10003 4 1 rrd322181.xml FORM 4 - TAREK SHERIF - SALE OF EXISTING SHARES X0304 4 2011-09-14 0 0001453814 Medidata Solutions, Inc. MDSO 0001466275 Sherif Tarek C/O MEDIDATA SOLUTIONS, INC. 79 FIFTH AVENUE, 8TH FLOOR NEW YORK NY 10003 1 1 0 0 Chairman & CEO Common Stock 2011-09-14 4 S 0 16667 16.6529 D 1014176 D Common Stock 2011-09-15 4 S 0 16667 17.0557 D 997509 D The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 11, 2010. Such transaction was executed in multiple trades at prices ranging from $16.48 to $16.94. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. Such transaction was executed in multiple trades at prices ranging from $16.97 to $17.25. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. /s/ Michael I. Otner, Attorney-in-Fact 2011-09-16