MDSO / Medidata Solutions, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Medidata Solutions, Inc.
US ˙ NASDAQ ˙ US58471A1051
HINDI NA ACTIVE ANG SIMBONG ITO

Mga Batayang Estadistika
LEI 549300N2D5UJZLKQ1O22
CIK 1453814
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Medidata Solutions, Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
November 8, 2019 SC 13G/A

MDSO / Medidata Solutions, Inc. / BROWN CAPITAL MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 14)* Medidata Solutions, Inc. (Name of Issuer) Common Stock, Par Value $0.01 (Title of Class of Securities) 58471A105 (CUSIP Number) Eddie C. Brown Brown Capi

November 7, 2019 15-12B

MDSO / Medidata Solutions, Inc. 15-12B - - FORM 15-12B

15-12B 1 rip-mdso2009x2019.htm FORM 15-12B UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 001-34387 Medidata Solutions, In

October 28, 2019 S-8 POS

MDSO / Medidata Solutions, Inc. S-8 POS - - S-8 POS

S-8 POS 1 forms8pos.htm S-8 POS As filed with the Securities and Exchange Commission on October 28, 2019 Registration Statement File No. 333-225820 Registration Statement File No. 333-225816 Registration Statement File No. 333-218349 Registration Statement File No. 333-211946 Registration Statement File No. 333-198262 Registration Statement File No. 333-192861 Registration Statement File No. 333-1

October 28, 2019 S-8 POS

MDSO / Medidata Solutions, Inc. S-8 POS - - S-8 POS

S-8 POS 1 forms8pos.htm S-8 POS As filed with the Securities and Exchange Commission on October 28, 2019 Registration Statement File No. 333-225820 Registration Statement File No. 333-225816 Registration Statement File No. 333-218349 Registration Statement File No. 333-211946 Registration Statement File No. 333-198262 Registration Statement File No. 333-192861 Registration Statement File No. 333-1

October 28, 2019 S-8 POS

MDSO / Medidata Solutions, Inc. S-8 POS - - S-8 POS

S-8 POS 1 forms8pos.htm S-8 POS As filed with the Securities and Exchange Commission on October 28, 2019 Registration Statement File No. 333-225820 Registration Statement File No. 333-225816 Registration Statement File No. 333-218349 Registration Statement File No. 333-211946 Registration Statement File No. 333-198262 Registration Statement File No. 333-192861 Registration Statement File No. 333-1

October 28, 2019 S-8 POS

MDSO / Medidata Solutions, Inc. S-8 POS - - S-8 POS

S-8 POS 1 forms8pos.htm S-8 POS As filed with the Securities and Exchange Commission on October 28, 2019 Registration Statement File No. 333-225820 Registration Statement File No. 333-225816 Registration Statement File No. 333-218349 Registration Statement File No. 333-211946 Registration Statement File No. 333-198262 Registration Statement File No. 333-192861 Registration Statement File No. 333-1

October 28, 2019 S-8 POS

MDSO / Medidata Solutions, Inc. S-8 POS - - S-8 POS

S-8 POS 1 forms8pos.htm S-8 POS As filed with the Securities and Exchange Commission on October 28, 2019 Registration Statement File No. 333-225820 Registration Statement File No. 333-225816 Registration Statement File No. 333-218349 Registration Statement File No. 333-211946 Registration Statement File No. 333-198262 Registration Statement File No. 333-192861 Registration Statement File No. 333-1

October 28, 2019 S-8 POS

MDSO / Medidata Solutions, Inc. S-8 POS - - S-8 POS

As filed with the Securities and Exchange Commission on October 28, 2019 Registration Statement File No.

October 28, 2019 S-8 POS

MDSO / Medidata Solutions, Inc. S-8 POS - - S-8 POS

As filed with the Securities and Exchange Commission on October 28, 2019 Registration Statement File No.

October 28, 2019 S-8 POS

MDSO / Medidata Solutions, Inc. S-8 POS - - S-8 POS

S-8 POS 1 forms8pos.htm S-8 POS As filed with the Securities and Exchange Commission on October 28, 2019 Registration Statement File No. 333-225820 Registration Statement File No. 333-225816 Registration Statement File No. 333-218349 Registration Statement File No. 333-211946 Registration Statement File No. 333-198262 Registration Statement File No. 333-192861 Registration Statement File No. 333-1

October 28, 2019 S-8 POS

MDSO / Medidata Solutions, Inc. S-8 POS - - S-8 POS

S-8 POS 1 forms8pos.htm S-8 POS As filed with the Securities and Exchange Commission on October 28, 2019 Registration Statement File No. 333-225820 Registration Statement File No. 333-225816 Registration Statement File No. 333-218349 Registration Statement File No. 333-211946 Registration Statement File No. 333-198262 Registration Statement File No. 333-192861 Registration Statement File No. 333-1

October 28, 2019 EX-3.1

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION MEDIDATA SOLUTIONS, INC.

Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF MEDIDATA SOLUTIONS, INC. FIRST: The name of the Corporation is Medidata Solutions, Inc. (the “Corporation”). SECOND: The address of the registered office of the Corporation in the State of Delaware is 1209 Orange Street, Wilmington, New Castle County, 19801. The name of its registered agent at that address is The Corporation Trust Co

October 28, 2019 8-K

Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Termination of a Material Definitive Agreement, Material Modification to Rights of Security Holders, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2019 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction of incorporation) (Commissi

October 28, 2019 EX-3.2

BY-LAWS MEDIDATA SOLUTIONS, INC. A Delaware Corporation Effective October 28, 2019 TABLE OF CONTENTS

Exhibit 3.2 BY-LAWS OF MEDIDATA SOLUTIONS, INC. A Delaware Corporation Effective October 28, 2019 TABLE OF CONTENTS Page Article I OFFICES 1 Section 1.1 Registered Office 1 Section 1.2 Other Offices 1 Article II MEETINGS OF STOCKHOLDERS 1 Section 2.1 Place of Meetings 1 Section 2.2 Annual Meetings 1 Section 2.3 Special Meetings 1 Section 2.4 Notice 2 Section 2.5 Adjournments 2 Section 2.6 Quorum 3

September 24, 2019 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 23, 2019 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction of incorporation) (Commis

September 24, 2019 EX-99.1

Dassault Systèmes announces extension of CFIUS review process for planned acquisition of Medidata

Exhibit 99.1 Dassault Systèmes announces extension of CFIUS review process for planned acquisition of Medidata VÉLIZY-VILLACOUBLAY, France and NEW YORK — September 24, 2019 – Dassault Systèmes SE (Dassault Systèmes) (Euronext Paris: #13065, DSY. PA) and Medidata Solutions, Inc. ("Medidata") (NASDAQ: MDSO) announced that the Committee on Foreign Investment in the United States (CFIUS) will initiate

August 19, 2019 8-K

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 16, 2019 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Numb

August 19, 2019 EX-99.1

Dassault Systèmes Announces Medidata Stockholder Approval for Planned Acquisition

EX-99.1 2 nt10004156x1ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 Dassault Systèmes Announces Medidata Stockholder Approval for Planned Acquisition VÉLIZY-VILLACOUBLAY, France and NEW YORK — August 19, 2019 – Dassault Systèmes SE (Dassault Systèmes) (Euronext Paris: #13065, DSY. PA) and Medidata Solutions, Inc. (“Medidata”) (NASDAQ: MDSO) announced that Medidata stockholders have approved on August 16, 2

August 9, 2019 DEFA14A

MDSO / Medidata Solutions, Inc. DEFA14A - - DEFA14A

DEFA14A 1 formdefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as per

August 6, 2019 10-Q

Quarterly Report - FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-34387 Med

July 23, 2019 EX-99.1

Medidata Reports Second Quarter 2019 Results

Exhibit 99.1 Medidata Reports Second Quarter 2019 Results NEW YORK-(BUSINESS WIRE)-July 23, 2019-Medidata (NASDAQ:MDSO) today announced its financial results for the second quarter of 2019. “Our good results in the second quarter and for the first half of the year were driven by the strength of our core business,” said Tarek Sherif, chairman and CEO, Medidata. “With our win rate at an all-time hig

July 23, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 23, 2019 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Number

July 19, 2019 DEFM14A

definitive proxy statement on Schedule 14A

DEFM14A 1 nc10003001x2defm14a.htm DEFM14A TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant  o Check the appropriate box:  o Preliminary Proxy Statement  o Confidential, for Use of

July 9, 2019 DEFA14A

MDSO / Medidata Solutions, Inc. DEFA14A - - DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

July 9, 2019 DEFA14A

MDSO / Medidata Solutions, Inc. DEFA14A - - DEFA14A

DEFA14A 1 salespptslides.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as p

July 3, 2019 PREM14A

MDSO / Medidata Solutions, Inc. PREM14A - - PREM14A

PREM14A 1 nc10003001x1prem14a.htm PREM14A TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant  o Check the appropriate box: ☒ Preliminary Proxy Statement  o Confidential, for Use of

June 21, 2019 DEFA14A

MDSO / Medidata Solutions, Inc. DEFA14A - - DEFA14A

DEFA14A 1 equityfaqsdefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (a

June 13, 2019 DEFA14A

MDSO / Medidata Solutions, Inc. DEFA14A - - SCHEDULE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

June 13, 2019 DEFA14A

MDSO / Medidata Solutions, Inc. DEFA14A - - SCHEDULE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

June 13, 2019 DEFA14A

MDSO / Medidata Solutions, Inc. DEFA14A - - SCHEDULE 14A

DEFA14A 1 townhall14a.htm SCHEDULE 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as

June 12, 2019 EX-10.1

Form of Voting Agreement.*

Exhibit 10.1 FORM OF VOTING AGREEMENT THIS VOTING AGREEMENT (hereinafter referred to as this “Agreement”) is made and entered into as of June 11, 2019 by and between Dassault Systèmes Americas Corp., a Delaware corporation (“Parent”), on the one hand, and the undersigned shareholder (the “Shareholder”) of Medidata Solutions, Inc., a Delaware corporation (the “Company”), on the other hand. WHEREAS,

June 12, 2019 EX-10.3

Executive Employment Agreement by and among Dassault Systèmes SE, Medidata Solutions, Inc. and Rouven Bergmann***

EXHIBIT 10.3 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (this “Agreement”), dated as of June 11, 2019, by and between Dassault Systèmes SE, a societas Europaea (European company) organized under the laws of France (“Dassault Systèmes”), Medidata Solutions, Inc., a Delaware corporation (the “Company”), and Rouven Bergmann (the “Executive”). WHEREAS, the Company has entered i

June 12, 2019 EX-10.2

Executive Employment Agreement by and among Dassault Systèmes SE, Medidata Solutions, Inc. and Tarek Sherif***

EXHIBIT 10.2 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (this “Agreement”), dated as of June 11, 2019, by and between Dassault Systèmes SE, a societas Europaea (European company) organized under the laws of France (“Dassault Systèmes”), Medidata Solutions, Inc., a Delaware corporation (the “Company”), and Tarek Sherif (the “Executive”). WHEREAS, the Company has entered into

June 12, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 11, 2019 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Number

June 12, 2019 EX-10.4

Executive Employment Agreement by and among Dassault Systèmes SE, Medidata Solutions, Inc. and Glen de Vries***

EXHIBIT 10.4 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (this “Agreement”), dated as of June 11, 2019, by and between Dassault Systèmes SE, a societas Europaea (European company) organized under the laws of France (“Dassault Systèmes”), Medidata Solutions, Inc., a Delaware corporation (the “Company”), and Glen de Vries (the “Executive”). WHEREAS, the Company has entered int

June 12, 2019 EX-2.1

Agreement and Plan of Merger, dated as of June 11, 2019 by and among Dassault Systèmes SE, Dassault Systèmes Americas Corp., 3DS Acquisition 6 Corp. and Medidata Solutions, Inc.***

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and among DASSAULT SYSTÈMES SE, DASSAULT SYSTÈMES AMERICAS CORP., 3DS ACQUISITION 6 CORP. and MEDIDATA SOLUTIONS, INC. Dated as of June 11, 2019 TABLE OF CONTENTS Page Article I THE MERGER 1.1 The Merger 2 1.2The Effective Time 2 1.3Effect of the Merger 3 1.4Certificate of Incorporation and Bylaws of the Surviving Corporation 3 1.5Directors and Officers

June 12, 2019 EX-3.1

Amended and Restated Bylaws of Medidata Solutions, Inc.

AMENDED AND RESTATED BYLAWS OF MEDIDATA SOLUTIONS, INC. (as amended on June 11, 2019) TABLE OF CONTENTS Page ARTICLE I CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 NOTICE OF STOCKHOLDERS’ MEETINGS 2 2.5 MANNER OF GIVING NOTICE; AFFIDAVIT OF NOTICE 2 2.6 QUORUM 3 2.7 ADJOU

June 12, 2019 EX-10.5

Form of Letter Agreement

EXHIBIT 10.5 FORM OF LETTER AGREEMENT This Letter Agreement (this “Agreement”), dated as of [●], 2019, is by and between Dassault Systèmes SE, a societas Europaea (European company) organized under the laws of France (“Dassault Systèmes”), Dassault Systèmes Americas Corp., a Delaware corporation and wholly owned subsidiary of Dassault Systèmes (“DSAC”), Medidata Solutions, Inc., a Delaware corpora

June 12, 2019 EX-10.4

Executive Employment Agreement, dated as of June 11, 2019, by and among Dassault Systèmes SE, Dassault Systèmes Americas Corp., Medidata Solutions, Inc. and Glen de Vries.*

EXHIBIT 10.4 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (this “Agreement”), dated as of June 11, 2019, by and between Dassault Systèmes SE, a societas Europaea (European company) organized under the laws of France (“Dassault Systèmes”), Medidata Solutions, Inc., a Delaware corporation (the “Company”), and Glen de Vries (the “Executive”). WHEREAS, the Company has entered int

June 12, 2019 EX-10.1

Form of Voting Agreement.*

Exhibit 10.1 FORM OF VOTING AGREEMENT THIS VOTING AGREEMENT (hereinafter referred to as this “Agreement”) is made and entered into as of June 11, 2019 by and between Dassault Systèmes Americas Corp., a Delaware corporation (“Parent”), on the one hand, and the undersigned shareholder (the “Shareholder”) of Medidata Solutions, Inc., a Delaware corporation (the “Company”), on the other hand. WHEREAS,

June 12, 2019 DEFA14A

MDSO / Medidata Solutions, Inc. DEFA14A - - FORM 8-K

DEFA14A 1 form8-kremergeragreement.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 11, 2019 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of

June 12, 2019 EX-2.1

Agreement and Plan of Merger, dated as of June 11, 2019, by and among Dassault Systèmes SE, Dassault Systèmes Americas Corp., 3DS Acquisition 6 Corp and Medidata Solutions, Inc.*

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and among DASSAULT SYSTÈMES SE, DASSAULT SYSTÈMES AMERICAS CORP., 3DS ACQUISITION 6 CORP. and MEDIDATA SOLUTIONS, INC. Dated as of June 11, 2019 TABLE OF CONTENTS Page Article I THE MERGER 1.1 The Merger 2 1.2The Effective Time 2 1.3Effect of the Merger 3 1.4Certificate of Incorporation and Bylaws of the Surviving Corporation 3 1.5Directors and Officers

June 12, 2019 EX-10.5

Form of Letter Agreement.*

EXHIBIT 10.5 FORM OF LETTER AGREEMENT This Letter Agreement (this “Agreement”), dated as of [●], 2019, is by and between Dassault Systèmes SE, a societas Europaea (European company) organized under the laws of France (“Dassault Systèmes”), Dassault Systèmes Americas Corp., a Delaware corporation and wholly owned subsidiary of Dassault Systèmes (“DSAC”), Medidata Solutions, Inc., a Delaware corpora

June 12, 2019 EX-10.3

Executive Employment Agreement, dated as of June 11, 2019, by and among Dassault Systèmes SE, Dassault Systèmes Americas Corp., Medidata Solutions, Inc. and Rouven Bergmann.*

EXHIBIT 10.3 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (this “Agreement”), dated as of June 11, 2019, by and between Dassault Systèmes SE, a societas Europaea (European company) organized under the laws of France (“Dassault Systèmes”), Medidata Solutions, Inc., a Delaware corporation (the “Company”), and Rouven Bergmann (the “Executive”). WHEREAS, the Company has entered i

June 12, 2019 EX-3.1

Amended and Restated Bylaws of Medidata Solutions, Inc., as amended on April 15, 2019 and June 11, 2019.

AMENDED AND RESTATED BYLAWS OF MEDIDATA SOLUTIONS, INC. (as amended on June 11, 2019) TABLE OF CONTENTS Page ARTICLE I CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 NOTICE OF STOCKHOLDERS’ MEETINGS 2 2.5 MANNER OF GIVING NOTICE; AFFIDAVIT OF NOTICE 2 2.6 QUORUM 3 2.7 ADJOU

June 12, 2019 EX-10.2

Executive Employment Agreement, dated as of June 11, 2019, by and among Dassault Systèmes SE, Dassault Systèmes Americas Corp., Medidata Solutions, Inc. and Tarek Sherif.*

EXHIBIT 10.2 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (this “Agreement”), dated as of June 11, 2019, by and between Dassault Systèmes SE, a societas Europaea (European company) organized under the laws of France (“Dassault Systèmes”), Medidata Solutions, Inc., a Delaware corporation (the “Company”), and Tarek Sherif (the “Executive”). WHEREAS, the Company has entered into

June 12, 2019 DEFA14A

MDSO / Medidata Solutions, Inc. DEFA14A - - SCHEDULE 14A

DEFA14A 1 employeefaq14a.htm SCHEDULE 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only

June 12, 2019 DEFA14A

MDSO / Medidata Solutions, Inc. DEFA14A - - SCHEDULE 14A

DEFA14A 1 blogpost6-1214a.htm SCHEDULE 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only

June 12, 2019 DEFA14A

MDSO / Medidata Solutions, Inc. DEFA14A - - SCHEDULE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

June 12, 2019 EX-99.1

Dassault Systèmes and Medidata Solutions To Join Forces To Accelerate the Life Sciences Industry Innovation For Patient-Centric Experience Through End-to-End Collaborative Platform

Dassault Systèmes and Medidata Solutions To Join Forces To Accelerate the Life Sciences Industry Innovation For Patient-Centric Experience Through End-to-End Collaborative Platform • Medidata Solutions’ market-leading clinical cloud solutions are used by 1,300 customers worldwide to develop their therapeutic innovations and clinical operations performance • Scientific modeling, simulation and digi

June 12, 2019 8-K

Financial Statements and Exhibits, Other Events

8-K 1 june11-8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 11, 2019 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-

June 12, 2019 DEFA14A

MDSO / Medidata Solutions, Inc. DEFA14A - - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 11, 2019 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Number

June 12, 2019 EX-99.1

Press Release issued by Medidata Solutions, Inc., dated June 11, 2019.

Dassault Systèmes and Medidata Solutions To Join Forces To Accelerate the Life Sciences Industry Innovation For Patient-Centric Experience Through End-to-End Collaborative Platform • Medidata Solutions’ market-leading clinical cloud solutions are used by 1,300 customers worldwide to develop their therapeutic innovations and clinical operations performance • Scientific modeling, simulation and digi

May 30, 2019 8-K

Submission of Matters to a Vote of Security Holders

8-K 1 mdso-xform8xkpostagm2019.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 29, 2019 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incor

May 10, 2019 10-Q

Quarterly Report - FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-34387 Me

May 10, 2019 EX-10.1

Form of Medidata Solutions, Inc. 2019 Performance-Based Restricted Stock Unit Agreement

MEDIDATA SOLUTIONS, INC. 2019 PERFORMANCE-BASED RESTRICTED STOCK UNIT AGREEMENT THIS AGREEMENT is made as of February 12th, 2019, by and between MEDIDATA SOLUTIONS, INC. (the “Company”), and [EXECUTIVE] (the “Participant”). 1.Award. In accordance with the Medidata Solutions, Inc. Amended and Restated 2017 Long-Term Incentive Plan (the “Plan”), the Company hereby grants to the Participant a target

April 30, 2019 EX-99.1

Medidata Reports First Quarter 2019 Results

Exhibit 99.1 Medidata Reports First Quarter 2019 Results NEW YORK-(BUSINESS WIRE)-April 30, 2019-Medidata (NASDAQ: MDSO) today announced its financial results for the first quarter of 2019. “Medidata is at the forefront of driving the digital transformation of life science with our platform, data assets and industry expertise, helping fulfill the mission we set almost 20 years ago to positively im

April 30, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a51976651.htm MEDIDATA SOLUTIONS, INC. 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2019 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction o

April 18, 2019 DEFA14A

MDSO / Medidata Solutions, Inc. DEFA14A

DEFA14A 1 nc10000949x2defa14.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by R

April 18, 2019 DEF 14A

April 18, 2019

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defi

April 17, 2019 EX-3.1

Amended and Restated Bylaws of Medidata Solutions, Inc., as amended on April 15, 2019

AMENDED AND RESTATED BYLAWS OF MEDIDATA SOLUTIONS, INC. (as amended on April 15, 2019) TABLE OF CONTENTS ARTICLE I CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 NOTICE OF STOCKHOLDERS’ MEETINGS 2 2.5 MANNER OF GIVING NOTICE; AFFIDAVIT OF NOTICE 2 2.6 QUORUM 3 2.7 ADJOURNED

April 17, 2019 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 15, 2019 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction of incorporation) (Commission

March 1, 2019 EX-21.1

Subsidiaries of Medidata Solutions, Inc.

EX-21.1 3 subsidiariesoftheregistran.htm SUBSIDIARIES OF MEDIDATA SOLUTIONS, INC. Exhibit 21.1 MEDIDATA SOLUTIONS, INC. Subsidiaries of the Registrant Subsidiaries* Place of Incorporation MDSOL Europe Limited United Kingdom Medidata Holdings, Inc. Delaware, U.S. Medidata Korea, Limited South Korea Medidata Solutions K.K. Japan Medidata Technology LLP United Kingdom Medidata Technology Partner, LLC

March 1, 2019 EX-10.23

Amendment No. 1, dated December 10, 2018, to Credit Agreement among Medidata Solutions. Inc., as the Borrower, the Lenders that are from time to time parties thereto, and HSBC Bank USA, National Association, as Administrative Agent

EX-10.23 2 hsbcmedidata-amendmentno1.htm EXHIBIT 10.23 AMENDMENT NO. 1 AMENDMENT NO. 1, dated as of December 10, 2018 (this “Amendment”), among Medidata Solutions, Inc., a corporation organized under the laws of Delaware (the “Borrower”), the Lenders party hereto and HSBC Bank USA, National Association (“HSBC”), as Administrative Agent (in such capacity, the “Administrative Agent”). The Borrower,

March 1, 2019 10-K

December 31, 2018

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-34387 Medidat

February 16, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K 1 form8-k21519.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 12, 2019 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdi

February 14, 2019 SC 13G/A

MDSO / Medidata Solutions, Inc. / BROWN CAPITAL MANAGEMENT LLC Passive Investment

SC 13G/A 1 fp0039160sc13ga.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 13)* Medidata Solutions, Inc. (Name of Issuer) Common Stock, Par Value $0.01 (Title of Class of Securities) 58471A105 (CUSIP Nu

February 12, 2019 EX-99.1

Medidata Reports Fourth Quarter 2018 Results

EX-99.1 2 a51939127ex991.htm EXHIBIT 99.1 Exhibit 99.1 Medidata Reports Fourth Quarter 2018 Results NEW YORK-(BUSINESS WIRE)-February 12, 2019-Medidata (NASDAQ:MDSO) today announced its financial results for the fourth quarter of 2018. “In 2018, we expanded our market leadership in life sciences, and proved that our unique data and AI capabilities can reinvent the way treatments are developed and

February 12, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a51939127.htm MEDIDATA SOLUTIONS, INC. 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 12, 2019 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdictio

February 11, 2019 SC 13G/A

MDSO / Medidata Solutions, Inc. / VANGUARD GROUP INC Passive Investment

medidatasolutionsinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 6 )* Name of issuer: Medidata Solutions Inc Title of Class of Securities: Common Stock CUSIP Number: 58471A105 Date of Event Which Requires Filing of this Statement: December 31, 2018 Check the appropri

October 30, 2018 10-Q

MDSO / Medidata Solutions, Inc. FORM 10-Q (Quarterly Report)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2018 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-3438

October 23, 2018 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 19, 2018 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Num

October 23, 2018 EX-99.1

Medidata Appoints Dr. Maria Rivas to its Board of Directors

EX-99.1 2 rivaspressrelease10-22x2018.htm EXHIBIT 99.1 Medidata Appoints Dr. Maria Rivas to its Board of Directors Appointment is initial step toward company pledge to 2020 Women on Boards initiative NEW YORK-(BUSINESS WIRE)-Oct. 22, 2018- Medidata (NASDAQ: MDSO) announced today that it has appointed Dr. Maria Rivas to its Board of Directors. An endocrinologist with extensive experience as a senio

October 18, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a51885146.htm MEDIDATA SOLUTIONS, INC. 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 18, 2018 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction

October 18, 2018 EX-99.1

Medidata Reports Third Quarter 2018 Results

EX-99.1 2 a51885146ex991.htm EXHIBIT 99.1 Exhibit 99.1 Medidata Reports Third Quarter 2018 Results NEW YORK-(BUSINESS WIRE)-October 18, 2018-Medidata (NASDAQ:MDSO) today announced its financial results for the third quarter of 2018. “Our strong financial and operational performance this quarter highlight the momentum and success we are seeing in the market,” said Tarek Sherif, chairman and chief e

September 26, 2018 CORRESP

MDSO / Medidata Solutions, Inc. CORRESP

September 26, 2018 Kathleen Collins Accounting Branch Chief - Office of Information Technologies and Services United States Securities and Exchange Commission Division of Corporation Finance Washington, D.

September 6, 2018 CORRESP

MDSO / Medidata Solutions, Inc. CORRESP

September 6, 2018 Kathleen Collins Accounting Branch Chief - Office of Information Technologies and Services United States Securities and Exchange Commission Division of Corporation Finance Washington, D.

August 2, 2018 10-Q

MDSO / Medidata Solutions, Inc. FORM 10-Q (Quarterly Report)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2018 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-34387 Med

August 1, 2018 8-K

Unregistered Sales of Equity Securities

8-K 1 mdso8-kxconvert.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 1, 2018 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporatio

July 24, 2018 EX-99.1

Medidata Reports Second Quarter 2018 Results

Exhibit 99.1 Medidata Reports Second Quarter 2018 Results NEW YORK-(BUSINESS WIRE)-July 24, 2018-Medidata (NASDAQ: MDSO) today announced its financial results for the second quarter of 2018. “We executed well operationally and delivered strong business results this quarter and in the first half of the year, all while closing our largest acquisition to date,” said Tarek Sherif, chairman and chief e

July 24, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 24, 2018 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Number

June 22, 2018 EX-99.1

Medidata Solutions, Inc. Third Amended and Restated 2014 Employee Stock Purchase Plan

Exhibit 99.1 MEDIDATA SOLUTIONS, INC. THIRD AMENDED AND RESTATED 2014 EMPLOYEE STOCK PURCHASE PLAN 1. Purpose. The purpose of the Medidata Solutions, Inc. Third Amended and Restated 2014 Employee Stock Purchase Plan (the “Plan”) is to provide eligible employees of Medidata Solutions, Inc. (the “Company”) and its Subsidiaries with a convenient way to purchase shares of the Company’s common stock (t

June 22, 2018 S-8

MDSO / Medidata Solutions, Inc. FORM S-8

As filed with the Securities and Exchange Commission on June 22, 2018 Registration No.

June 22, 2018 EX-99.1

Amended and Restated 2017 Long-Term Incentive Plan

EX-99.1 4 ex991-mdsoltip2018sx8.htm EXHIBIT 99.1 Exhibit 99.1 MEDIDATA SOLUTIONS, INC. AMENDED AND RESTATED 2017 LONG-TERM INCENTIVE PLAN ARTICLE 1 GENERAL 1.1 Purpose. The purpose of the Plan is to establish a vehicle through which the Company can provide equity-based and other incentive compensation opportunities in order to facilitate its ability to recruit, motivate, reward and retain talented

June 22, 2018 S-8

MDSO / Medidata Solutions, Inc. FORM S-8

As filed with the Securities and Exchange Commission on June 22, 2018 Registration No.

June 20, 2018 8-K

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 20, 2018 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Number

June 12, 2018 EX-2.1

Agreement and Plan of Merger, dated as of June 11, 2018 by and among the Company, Merger Sub and Shyft.

EX-2.1 2 mergeragreement.htm EXHIBIT 2.1 Execution Version AGREEMENT AND PLAN OF MERGER by and among MEDIDATA SOLUTIONS, INC. STORM MERGER SUB, INC. SHYFT ANALYTICS, INC. AND STORM SELLER REPRESENTATIVE LLC As Stockholders’ Representative June 11, 2018 TABLE OF CONTENTS Page ARTICLE I THE MERGER 2 1.1 The Merger 2 1.2 General Effects of the Merger 3 1.3 Effects of the Merger on Securities of Mergi

June 12, 2018 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 11, 2018 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Number

May 31, 2018 8-K

Submission of Matters to a Vote of Security Holders

8-K 1 post-agm8xk.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 30, 2018 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001

May 4, 2018 EX-10.1

Form of Medidata Solutions, Inc. 2018 Performance-Based Restricted Stock Unit Agreement

EX-10.1 2 a2018pbrsuagreement.htm EXHIBIT 10.1 MEDIDATA SOLUTIONS, INC. 2018 PERFORMANCE-BASED RESTRICTED STOCK UNIT AGREEMENT THIS AGREEMENT is made as of February 20th, 2018, by and between MEDIDATA SOLUTIONS, INC. (the “Company”), and [PARTICIPANT] (the “Participant”). 1.Award. In accordance with the Medidata Solutions, Inc. 2017 Long-Term Incentive Plan (the “Plan”), the Company hereby grants

May 4, 2018 10-Q

MDSO / Medidata Solutions, Inc. FORM 10-Q (Quarterly Report)

10-Q 1 medidat-3312018x10q.htm FORM 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2018 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fro

April 19, 2018 DEFA14A

MDSO / Medidata Solutions, Inc. DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

April 19, 2018 DEF 14A

MDSO / Medidata Solutions, Inc. DEF 14A

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defi

April 19, 2018 EX-99.1

Medidata Reports First Quarter 2018 Results

EX-99.1 2 a51791569ex991.htm EXHIBIT 99.1 Exhibit 99.1 Medidata Reports First Quarter 2018 Results Total revenue of $149.2 million, representing 17% year-over-year growth GAAP operating margin of 8.9%; non-GAAP operating margin of 22.9%, representing 120 basis points year-over-year margin expansion Total multi-year subscription backlog, unadjusted for renewals, of $1.0 billion as of March 31, 2018

April 19, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 19, 2018 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Numbe

February 28, 2018 EX-21.1

Subsidiaries of Medidata Solutions, Inc.

EX-21.1 3 subsidiariesoftheregistran.htm SUBSIDIARIES OF MEDIDATA SOLUTIONS, INC. Exhibit 21.1 MEDIDATA SOLUTIONS, INC. Subsidiaries of the Registrant Subsidiaries* Place of Incorporation MDSOL Europe Limited United Kingdom Medidata Holdings, Inc. Delaware, U.S. Medidata Korea, Limited South Korea Medidata Solutions K.K. Japan Medidata Technology LLP United Kingdom Medidata Technology Partner, LLC

February 28, 2018 10-K

MDSO / Medidata Solutions, Inc. FORM 10-K (Annual Report)

10-K 1 a10-k2017.htm FORM 10-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2017 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission

February 28, 2018 EX-10.16

Separation Agreement and General Release between Medidata Solutions, Inc. and Michael Capone, dated December 20, 2017

EX-10.16 2 mcaponeseparationagreement.htm EXHIBIT 10.16 350 Hudson Street Floor 9 New York, NY 10014 United States mdsol.com December 20, 2017 Michael Capone Address on file Dear Mike: This Letter Agreement incorporating the annexed General Release (collectively sometimes referred to as the “Agreement”) contains the terms and conditions applicable to your separation from employment with Medidata S

February 23, 2018 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K 1 a2018execxcomp.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 20, 2018 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other juris

February 22, 2018 EX-24

EX-24

POWER OF ATTORNEY Know all by these presents, that the undersigned, as a Section 16 reporting person of Medidata Solutions, Inc.

February 14, 2018 SC 13G/A

MDSO / Medidata Solutions, Inc. / BROWN CAPITAL MANAGEMENT LLC Passive Investment

SC 13G/A 1 fp0030625sc13ga.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 12)* Medidata Solutions, Inc. (Name of Issuer) Common Stock, Par Value $0.01 (Title of Class of Securities) 58471A105 (CUSIP N

February 9, 2018 SC 13G/A

MDSO / Medidata Solutions, Inc. / VANGUARD GROUP INC Passive Investment

SC 13G/A 1 medidatasolutionsinc.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 5 )* Name of issuer: Medidata Solutions Inc Title of Class of Securities: Common Stock CUSIP Number: 58471A105 Date of Event Which Requires Filing of this Statement: December 31, 2017 Check the appropriate box to designate the rule pur

February 8, 2018 EX-99.1

Medidata Reports Record Full-Year and Fourth Quarter 2017 Results

Exhibit 99.1 Medidata Reports Record Full-Year and Fourth Quarter 2017 Results Full-year total revenue of $545.5 million, representing 18% year-over-year growth Full-year GAAP net income of $44.4 million, or $0.74 per diluted share, up 53% year-over-year Total multi-year unadjusted subscription backlog1 of $1.0 billion as of December 31, 2017, up 39% year-over-year Provides 2018 total revenue guid

February 8, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 8, 2018 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Num

December 28, 2017 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 21, 2017 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Nu

December 28, 2017 EX-10.1

Credit Agreement, dated as of December 21, 2017, among Medidata Solutions, Inc., as the Borrower, the Lenders that are from time to time parties thereto, and HSBC Bank USA, National Association, as Administrative Agent

Exhibit CREDIT AGREEMENT dated as of December 21, 2017 among MEDIDATA SOLUTIONS, INC.

December 13, 2017 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 13, 2017 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Nu

November 3, 2017 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2017 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-3438

November 3, 2017 EX-10.1

Form of Medidata Solutions, Inc. Nonstatutory Stock Option Agreement

MEDIDATA SOLUTIONS, INC. NONSTATUTORY STOCK OPTION AGREEMENT AGREEMENT made as of the [DAY] day of [MONTH], 2017, by and between MEDIDATA SOLUTIONS, INC. (the ?Company?), and [PARTICIPANT] (the ?Participant?). 1.Grant of Option. In accordance with the Medidata Solutions, Inc. 2017 Long-Term Incentive Plan (the ?Plan?), the Company grants to the Participant an option to purchase up to [###] shares

October 26, 2017 EX-99.1

Medidata Reports Record Third Quarter 2017 Results

Exhibit 99.1 Medidata Reports Record Third Quarter 2017 Results Record revenue of $140.1 million, representing 17% year-over-year growth Record GAAP net income of $12.8 million, representing 75% year-over-year growth Record year-to-date cash flow from operations of $91.6 million, representing 89% year-over-year growth NEW YORK-(BUSINESS WIRE)-October 26, 2017-Medidata (NASDAQ:MDSO), the leading gl

October 26, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a51705666.htm MEDIDATA SOLUTIONS, INC. 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 26, 2017 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction

August 1, 2017 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

10-Q 1 mdso-6302017x10q.htm FORM 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2017 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to

August 1, 2017 EX-10.2

Form of Medidata Solutions, Inc. Restricted Stock Agreement

EX-10.2 2 a2017ltiprestrictedstockag.htm EXHIBIT 10.2 MEDIDATA SOLUTIONS, INC. RESTRICTED STOCK AGREEMENT AGREEMENT made as of the [DAY] day of [MONTH], [YEAR], by and between MEDIDATA SOLUTIONS, INC. (the “Company”), and [PARTICIPANT] (the “Participant”). 1.Award. In accordance with the Medidata Solutions, Inc. 2017 Long-Term Incentive Plan (the “Plan”), the Company has made a restricted stock aw

July 18, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 18, 2017 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Number

July 18, 2017 EX-99.1

Medidata Reports Record Second Quarter 2017 Results

EX-99.1 2 a51590459ex991.htm EXHIBIT 99.1 Exhibit 99.1 Medidata Reports Record Second Quarter 2017 Results Record revenue of $137.4 million, representing 20% year-over-year growth GAAP net income of $8.3 million, or $0.14 per diluted share, up 33% year-over-year Cash flow from operations of $38.2 million, representing 31% year-over-year growth NEW YORK-(BUSINESS WIRE)-July 18, 2017-Medidata (NASDA

June 20, 2017 CORRESP

Medidata Solutions ESP

CORRESP 1 filename1.htm June 20, 2017 Kathleen Collins Accounting Branch Chief- Office of Information Technologies & Services United States Securities and Exchange Commission Division of Corporation Finance Washington, D.C. 20549 Re: Medidata Solutions, Inc. Form 10-K for the fiscal year ended December 31, 2016 Filed February 28, 2017 Form 10-Q for the period ended March 31, 2017 Filed May 8, 2017

June 2, 2017 8-K

Submission of Matters to a Vote of Security Holders

8-K 1 mdso-xform8xk.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 30, 2017 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 0

May 30, 2017 EX-99.1

Medidata Solutions, Inc. 2017 Long-Term Incentive Plan

Exhibit 99.1 MEDIDATA SOLUTIONS, INC. 2017 LONG-TERM INCENTIVE PLAN ARTICLE 1 GENERAL 1.1 Purpose . The purpose of the Plan is to establish a vehicle through which the Company can provide equity-based and other incentive compensation opportunities in order to facilitate its ability to recruit, motivate, reward and retain talented individuals who contribute or are expected to contribute to the succ

May 30, 2017 S-8

Medidata Solutions FORM S-8

Document As filed with the Securities and Exchange Commission on May 30, 2017 Registration No.

May 8, 2017 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

10-Q 1 mdso-3312017x10q.htm FORM 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2017 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from t

May 8, 2017 EX-10.1

Form of Medidata Solutions, Inc. 2017 Performance-Based Restricted Stock Unit Agreement

EX-10.1 2 formof2017pbrsuagreement.htm EXHIBIT 10.1 MEDIDATA SOLUTIONS, INC. 2017 PERFORMANCE-BASED RESTRICTED STOCK UNIT AGREEMENT THIS AGREEMENT is made as of February 23rd, 2017, by and between MEDIDATA SOLUTIONS, INC. (the “Company”), and (the “Participant”). 1.Award. In accordance with the Medidata Solutions, Inc. 2009 Long-Term Incentive Plan (the “Plan”), the Company hereby grants to the Pa

April 26, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 26, 2017 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Numbe

April 26, 2017 EX-99.1

Medidata Reports Record First Quarter 2017 Results

Exhibit 99.1 Medidata Reports Record First Quarter 2017 Results Record revenue of $126.8 million, representing 22% year-over-year growth GAAP net income of $9.5 million, or $0.16 per diluted share, up 108% year-over-year Cash flow from operations of $22.5 million, representing 63% year-over-year growth NEW YORK-(BUSINESS WIRE)-April 26, 2017-Medidata (NASDAQ:MDSO), the leading global provider of c

April 19, 2017 DEFA14A

Medidata Solutions DEFA14A

DEFA14A 1 d356406ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐

April 19, 2017 DEF 14A

Medidata Solutions NOTICE & PROXY

DEF 14A 1 d316149ddef14a.htm NOTICE & PROXY Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission On

March 1, 2017 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 23, 2017 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction of incorporation) (Commiss

February 28, 2017 EX-21.1

MEDIDATA SOLUTIONS, INC. Subsidiaries of the Registrant

EX-21.1 2 subsidiariesoftheregistran.htm SUBSIDIARIES OF MEDIDATA SOLUTIONS, INC. Exhibit 21.1 MEDIDATA SOLUTIONS, INC. Subsidiaries of the Registrant Subsidiaries* Place of Incorporation MDSOL Europe Limited United Kingdom Medidata International, Inc. Delaware, U.S. Medidata Korea, Limited South Korea Medidata Solutions K.K. Japan Medidata Technology LLP United Kingdom Medidata Technology Partner

February 28, 2017 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2016 ¨ TRANSITION REPORT PURSUANT TO SECTI

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2016 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-34387 Medidat

February 27, 2017 EX-24

EX-24

POWER OF ATTORNEY Know all by these presents, that the undersigned, as a Section 16 reporting person of Medidata Solutions, Inc.

February 27, 2017 EX-24

EX-24

POWER OF ATTORNEY Know all by these presents, that the undersigned, as a Section 16 reporting person of Medidata Solutions, Inc.

February 10, 2017 SC 13G/A

Medidata Solutions 3G/A (Passive Acquisition of More Than 5% of Shares)

SC 13G/A 1 medidatasolutionsinc.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 4 )* Name of issuer: Medidata Solutions Inc Title of Class of Securities: Common Stock CUSIP Number: 58471A105 Date of Event Which Requires Filing of this Statement: December 31, 2016 Check the appropriate box to designate the rule pur

February 9, 2017 8-K

Medidata Solutions MEDIDATA SOLUTIONS, INC. 8-K (Current Report/Significant Event)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 9, 2017 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Num

February 9, 2017 EX-99.1

Medidata Reports Record Full-Year and Fourth Quarter 2016 Results

Exhibit 99.1 Medidata Reports Record Full-Year and Fourth Quarter 2016 Results Full-year total revenue of $463.4 million, representing 18% year-over-year growth Q4 total revenue of $124.5 million, representing 26% year-over-year growth Full-year GAAP net income of $29.0 million, or $0.51 per diluted share, up 120% year-over-year Adjusted subscription backlog1 of $404 million as of December 31, 201

February 9, 2017 SC 13G/A

MDSO / Medidata Solutions, Inc. / BROWN CAPITAL MANAGEMENT LLC Passive Investment

SC 13G/A 1 fp0023898sc13ga.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 11)* Medidata Solutions, Inc. (Name of Issuer) Common Stock, Par Value $0.01 (Title of Class of Securities) 58471A105 (CUSIP N

December 7, 2016 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K 1 mdso8kx12072016.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 1, 2016 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporat

November 3, 2016 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

10-Q 1 mdso-09302016x10q.htm FORM 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2016 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period f

October 25, 2016 8-K

Medidata Solutions MEDIDATA SOLUTIONS, INC. 8-K (Current Report/Significant Event)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 25, 2016 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Num

October 25, 2016 EX-99.1

Medidata Reports Record Third Quarter 2016 Results

EX-99.1 2 a51445733ex991.htm EXHIBIT 99.1 Exhibit 99.1 Medidata Reports Record Third Quarter 2016 Results Record revenues of $120.1 million, a 5% sequential increase Quarterly subscription revenue tops $100 million for the first time totaling $101.6 million GAAP net income of $7.4 million, or $0.13 per diluted share, a 57% year-over-year increase Reaffirms full-year 2016 total revenue and profitab

August 15, 2016 EX-10.1

Amended and Restated Executive Change in Control Agreement for CEO and President

EX-10.1 2 d246371dex101.htm EX-10.1 Exhibit 10.1 MEDIDATA SOLUTIONS, INC. AMENDED AND RESTATED EXECUTIVE CHANGE IN CONTROL AGREEMENT AGREEMENT made as of the 9th day of August, 2016, by and between MEDIDATA SOLUTIONS, INC. (“Company”) and [ ] (“Executive”). 1. Background. The parties have previously signed an Executive Change in Control Agreement dated as of January 20, 2009, and amended as of Mar

August 15, 2016 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

8-K 1 d246371d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 9, 2016 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction

August 5, 2016 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2016 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-34387 Med

August 1, 2016 CORRESP

Medidata Solutions ESP

August 1, 2016 U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Kathleen Collins Re: Medidata Solutions, Inc. Form 10-K for the year ended December 31, 2015 Filed February 29, 2016 File No. 001-34387 Ladies and gentlemen: Medidata Solutions, Inc. (the “Company”) submits this letter in response to the comments from the Staf

July 20, 2016 EX-99.1

Medidata Reports Record Second Quarter 2016 Results

EX-99.1 2 a51384602ex991.htm EXHIBIT 99.1 Exhibit 99.1 Medidata Reports Record Second Quarter 2016 Results Record revenues of $114.6 million, a 10% sequential and 17% year-over-year increase Record subscription revenue of $96.8 million, an 8% sequential and 15% year-over-year increase Reiterates full-year 2016 total revenue and profitability guidance NEW YORK-(BUSINESS WIRE)-July 20, 2016-Medidata

July 20, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a51384602.htm MEDIDATA SOLUTIONS, INC. 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 20, 2016 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of

July 1, 2016 CORRESP

Medidata Solutions ESP

CORRESP 1 filename1.htm *FOIA Confidential Treatment Request* Confidential Treatment Requested By Medidata Solutions, Inc. Pursuant to 17 C.F.R. §200.83 July 1, 2016 U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Kathleen Collins Re: Medidata Solutions, Inc. Form 10-K for the year ended December 31, 2015 Filed February 2

June 9, 2016 S-8

Medidata Solutions FORM S-8

S-8 1 d192657ds8.htm FORM S-8 As filed with the Securities and Exchange Commission on June 9, 2016 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 13-4066508 (State or other jurisdiction of incorporat

June 9, 2016 EX-99.1

MEDIDATA SOLUTIONS, INC. SECOND AMENDED AND RESTATED 2014 EMPLOYEE STOCK PURCHASE PLAN

EX-99.1 Exhibit 99.1 MEDIDATA SOLUTIONS, INC. SECOND AMENDED AND RESTATED 2014 EMPLOYEE STOCK PURCHASE PLAN 1. Purpose. The purpose of the Medidata Solutions, Inc. Second Amended and Restated 2014 Employee Stock Purchase Plan (the ?Plan?) is to provide eligible employees of Medidata Solutions, Inc. (the ?Company?) and its Subsidiaries with a convenient way to purchase shares of the Company?s commo

June 7, 2016 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

8-K 1 d205685d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 1, 2016 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction o

June 7, 2016 EX-3.1

Certificate of Amendment of Fifth Amended and Restated Certificate of Incorporation, dated June 2, 2016

EX-3.1 2 d205685dex31.htm EX-3.1 Exhibit 3.1 CERTIFICATE OF AMENDMENT OF FIFTH AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF MEDIDATA SOLUTIONS, INC. Medidata Solutions, Inc. (the “Corporation”), a corporation organized and existing under the General Corporation Law of the State of Delaware, hereby certifies as follows: 1. This Certificate of Amendment (the “Certificate of Amendment”) amend

June 1, 2016 CORRESP

Medidata Solutions ESP

CORRESP 1 filename1.htm June 1, 2016 U.S. Securities and Exchange Commission Division of Corporation Finance Washington, D.C. 20549 Attention: Kathleen Collins Re: Medidata Solutions, Inc. Form 10-K for the year ended December 31, 2015 Filed February 29, 2016 File No. 001-34387 Ladies and gentlemen: Medidata Solutions, Inc. (the “Company”) submits this letter in response to the comments from the S

May 23, 2016 CORRESP

Medidata Solutions ESP

CORRESP 1 filename1.htm May 23, 2016 Ms. Joyce Sweeney U.S. Securities and Exchange Commission Division of Corporation Finance Washington, D.C. 20549 Re: Staff’s comment letter dated May 10, 2016 Dear Ms. Sweeney: This will confirm our earlier telephone conversation in which I requested to extend the time for Medidata to furnish its responses to the Staff’s comments. Thank you for your considerati

May 9, 2016 EX-10.1

Form of Medidata Solutions, Inc. Performance-Based Restricted Stock Unit Agreement

MEDIDATA SOLUTIONS, INC. 2016 PERFORMANCE-BASED RESTRICTED STOCK UNIT AGREEMENT THIS AGREEMENT is made as of February 26, 2016, by and between MEDIDATA SOLUTIONS, INC. (the “ Company ”), and (the “ Participant ”). 1.Award. In accordance with the Medidata Solutions, Inc. 2009 Long-Term Incentive Plan (the “Plan”), the Company hereby grants to the Participant a target incentive award for a total of

May 9, 2016 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

10-Q 1 mdso-03312016x10q.htm FORM 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2016 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from

April 21, 2016 DEFA14A

Medidata Solutions DEFA14A

DEFA14A 1 d183911ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨

April 21, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a51325003.htm MEDIDATA SOLUTIONS, INC. 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 21, 2016 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction o

April 21, 2016 EX-99.1

Medidata Reports Record First Quarter 2016 Results

EX-99.1 2 a51325003ex991.htm EXHIBIT 99.1 Exhibit 99.1 Medidata Reports Record First Quarter 2016 Results Record revenues of $104.2 million, a 13% year-over-year increase Record subscription revenue of $90.0 million, a 14% year-over-year increase Expands market share with Bristol-Myers Squibb deal, Medidata’s third top 25 enterprise platform customer win in the last six months NEW YORK-(BUSINESS W

April 21, 2016 DEF 14A

Medidata Solutions DEF 14A

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 11, 2016 PRE 14A

Medidata Solutions PRE 14A

PRE 14A 1 d131351dpre14a.htm PRE 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: x Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as

April 11, 2016 SC 13G/A

MDSO / Medidata Solutions, Inc. / BROWN CAPITAL MANAGEMENT LLC Passive Investment

SC 13G/A 1 fp0019006sc13ga.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 10)* Medidata Solutions, Inc. (Name of Issuer) Common Stock, Par Value $0.01 (Title of Class of Securities) 58471A105 (CUSIP N

March 8, 2016 SC 13G/A

Medidata Solutions 3G/A (Passive Acquisition of More Than 5% of Shares)

SC 13G/A 1 fp0018505sc13ga.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 9)* Medidata Solutions, Inc. (Name of Issuer) Common Stock, Par Value $0.01 (Title of Class of Securities) 58471A105 (CUSIP Nu

March 3, 2016 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K 1 form8-k3316.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 26, 2016 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdic

February 29, 2016 EX-21.1

MEDIDATA SOLUTIONS, INC. Subsidiaries of the Registrant

EX-21.1 2 subsidiariesoftheregistran.htm SUBSIDIARIES OF MEDIDATA SOLUTIONS, INC. Exhibit 21.1 MEDIDATA SOLUTIONS, INC. Subsidiaries of the Registrant Subsidiaries* Place of Incorporation MDSOL Europe Limited United Kingdom Medidata International, Inc. Delaware, U.S. Medidata Korea, Limited South Korea Medidata Solutions K.K. Japan Medidata Technology LLP United Kingdom Medidata Technology Partner

February 29, 2016 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2015 ¨ TRANSITION REPORT PURSUANT TO SECTI

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2015 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-34387 Medidat

February 16, 2016 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 11, 2016 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction of incorporation) (Commiss

February 16, 2016 SC 13G/A

MDSO / Medidata Solutions, Inc. / BROWN CAPITAL MANAGEMENT LLC Passive Investment

SC 13G/A 1 fp0018031sc13ga.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 8)* Medidata Solutions, Inc. (Name of Issuer) Common Stock, Par Value $0.01 (Title of Class of Securities) 58471A105 (CUSIP Nu

February 16, 2016 EX-3.1

Amended and Restated Bylaws

Exhibit 3.1 AMENDED AND RESTATED BYLAWS OF MEDIDATA SOLUTIONS, INC. (initially adopted on June 30, 2009 effective as of the closing of the corporation’s initial public offering) (as amended on February 11, 2016) TABLE OF CONTENTS Page ARTICLE I CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 ARTICLE II MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 NO

February 10, 2016 SC 13G/A

MDSO / Medidata Solutions, Inc. / VANGUARD GROUP INC Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 3 )* Name of issuer: Medidata Solutions Inc Title of Class of Securities: Common Stock CUSIP Number: 58471A105 Date of Event Which Requires Filing of this Statement: December 31, 2015 Check the appropriate box to designate the rule pursuant to which this Schedule is file

February 10, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a51276709.htm MEDIDATA SOLUTIONS, INC. 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 10, 2016 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdictio

February 10, 2016 EX-99.1

Medidata Reports Full-Year and Fourth Quarter 2015 Results

EX-99.1 2 a51276709ex991.htm EXHIBIT 99.1 Exhibit 99.1 Medidata Reports Full-Year and Fourth Quarter 2015 Results Record full-year revenue of $392.5 million, a 17% year-over-year increase Record full-year subscription revenue of $336.2 million, a 20% year-over-year increase Record full-year new client wins of 201, a 52% year-over-year increase Record full-year cash flow from operations of $87.0 mi

February 9, 2016 SC 13G/A

MDSO / Medidata Solutions, Inc. / PRICE T ROWE ASSOCIATES INC /MD/ - MDSO AS OF 12/31/2015 Passive Investment

SC 13G/A 1 mdso13gdec15.htm MDSO AS OF 12/31/2015 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) MEDIDATA SOLUTIONS INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 58471A105 (CUSIP Number) December 31, 2015 (Date of Event which Requires Filing of Statement) Check the appropriate box t

January 6, 2016 EX-24

EX-24

POWER OF ATTORNEY Know all by these presents, that the undersigned, as a Section 16 reporting person of Medidata Solutions, Inc.

November 5, 2015 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2015 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-3438

October 27, 2015 EX-99.1

Medidata Reports Record Third Quarter 2015 Results

EX-99.1 2 a51209960ex991.htm EXHIBIT 99.1 Exhibit 99.1 Medidata Reports Record Third Quarter 2015 Results Record revenues of $103.1 million, a 20% year-over-year increase Record subscription revenue of $88.9 million, a 24% year-over-year increase Record cash flow from operations of $27.7 million, a 23% year-over-year increase NEW YORK-(BUSINESS WIRE)-October 27, 2015-Medidata (NASDAQ:MDSO), the le

October 27, 2015 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a51209960.htm MEDIDATA SOLUTIONS, INC. 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 27, 2015 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction

October 6, 2015 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 2, 2015 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Numb

August 10, 2015 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2015 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-34387 Med

July 27, 2015 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 22, 2015 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction of incorporation) (Commission

July 27, 2015 EX-3.1

AMENDED AND RESTATED BYLAWS MEDIDATA SOLUTIONS, INC. (initially adopted on June 30, 2009 effective as of the closing of the corporation’s initial public offering) (as amended on July 22, 2015) TABLE OF CONTENTS Page ARTICLE I CORPORATE OFFICES 1 1.1

EX-3.1 2 d55802dex31.htm EX-3.1 Exhibit 3.1 AMENDED AND RESTATED BYLAWS OF MEDIDATA SOLUTIONS, INC. (initially adopted on June 30, 2009 effective as of the closing of the corporation’s initial public offering) (as amended on July 22, 2015) TABLE OF CONTENTS Page ARTICLE I CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 ARTICLE II MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1

July 21, 2015 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 21, 2015 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Number

July 21, 2015 EX-99.1

Medidata Reports Record Second Quarter 2015 Revenues

EX-99.1 2 a51145767ex991.htm EXHIBIT 99.1 Exhibit 99.1 Medidata Reports Record Second Quarter 2015 Revenues Record revenues of $98.1 million, 18% year-over-year increase Record subscription revenue of $83.9 million, 22% year-over-year increase Record second quarter billings of $106 million, 36% year-over-year increase Reiterates 2015 revenue and profitability guidance NEW YORK-(BUSINESS WIRE)-July

May 29, 2015 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 27, 2015 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction of incorporation) (Commission F

May 18, 2015 EX-24

POWER OF ATTORNEY

BergmannDraftPOA11 POWER OF ATTORNEY Know all by these presents, that the undersigned, as a Section 16 reporting person of Medidata Solutions, Inc.

May 14, 2015 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2015 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction of incorporation) (Commission F

May 14, 2015 EX-10.1

GENERAL RELEASE

EX-10.1 2 d926661dex101.htm EX-10.1 Exhibit 10.1 May 13, 2015 Cory Douglas c/o Medidata Solutions, Inc. 350 Hudson Street New York, NY 10014 Dear Cory, This Letter Agreement incorporating the annexed General Release (collectively sometimes referred to as the “Agreement”) contains the terms and conditions applicable to your separation from employment with Medidata Solutions, Inc. or any applicable

May 11, 2015 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

10-Q 1 mdso-3312015x10q.htm FORM 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2015 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from t

April 23, 2015 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 23, 2015 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Numbe

April 23, 2015 EX-99.2

Medidata Announces CFO Transition; Rouven Bergmann, CFO SAP North America to Join as Chief Financial Officer; Reaffirms 2015 Guidance

EX-99.2 3 a51086429ex992.htm EXHIBIT 99.2 Exhibit 99.2 Medidata Announces CFO Transition; Rouven Bergmann, CFO SAP North America to Join as Chief Financial Officer; Reaffirms 2015 Guidance NEW YORK-(BUSINESS WIRE)-April 23, 2015-Medidata (NASDAQ:MDSO), the leading global provider of cloud-based solutions for clinical research in life sciences, today announced that Rouven Bergmann is joining the co

April 23, 2015 EX-99.1

Medidata Reports Record First Quarter 2015 Revenues

EX-99.1 2 a51086429ex991.htm EXHIBIT 99.1 Exhibit 99.1 Medidata Reports Record First Quarter 2015 Revenues Record revenues of $92.4 million, a 21% year-over-year increase Record subscription revenue of $78.7 million, a 23% year-over-year increase Cash flow from operations of $16.9 million NEW YORK-(BUSINESS WIRE)-April 23, 2015-Medidata (NASDAQ:MDSO), the leading global provider of cloud-based sol

April 15, 2015 DEF 14A

Medidata Solutions DEF 14A

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 15, 2015 DEFA14A

Medidata Solutions DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ?

March 2, 2015 EX-21.1

MEDIDATA SOLUTIONS, INC. Subsidiaries of the Registrant

Exhibit 21.1 MEDIDATA SOLUTIONS, INC. Subsidiaries of the Registrant Subsidiaries Place of Incorporation MDSOL Europe Limited United Kingdom Medidata International, Inc. Delaware, U.S. Medidata Korea, Limited South Korea Medidata Solutions K.K. Japan Medidata Technology LLP United Kingdom

March 2, 2015 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2014 ¨ TRANSITION REPORT PURSUANT TO SECTI

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2014 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-34387 Medidat

February 20, 2015 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K 1 d877650d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 13, 2015 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdict

February 12, 2015 SC 13G

MDSO / Medidata Solutions, Inc. / PRICE T ROWE ASSOCIATES INC /MD/ - MDSO AS OF 12/31/2014 Passive Investment

SC 13G 1 mdso13gdec14.htm MDSO AS OF 12/31/2014 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ) MEDIDATA SOLUTIONS INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 58471A105 (CUSIP Number) December 31, 2014 (Date of Event which Requires Filing of Statement) Check the appropriate box to d

February 11, 2015 SC 13G/A

MDSO / Medidata Solutions, Inc. / VANGUARD GROUP INC Passive Investment

medidatasolutionsinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 2 )* Name of issuer: Medidata Solutions Inc Title of Class of Securities: Common Stock CUSIP Number: 58471A105 Date of Event Which Requires Filing of this Statement: December 31, 2014 Check the appropri

February 5, 2015 SC 13G/A

MDSO / Medidata Solutions, Inc. / BROWN CAPITAL MANAGEMENT LLC Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 7)* Medidata Solutions, Inc. (Name of Issuer) Common Stock, Par Value $0.01 (Title of Class of Securities) 58471A105 (CUSIP Number) December 31, 2014 (Date o

February 5, 2015 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a51033746.htm MEDIDATA SOLUTIONS, INC. 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 5, 2015 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction

February 5, 2015 EX-99.1

Medidata Reports Record Full Year and Fourth Quarter 2014 Revenues

Exhibit 99.1 Medidata Reports Record Full Year and Fourth Quarter 2014 Revenues Record full year revenue of $335.1 million, a 21% year-over-year increase Record full year subscription revenue of $280.0 million, a 23% year-over-year increase Provides 2015 revenue guidance of between $392 and $412 million NEW YORK-(BUSINESS WIRE)-February 5, 2015-Medidata (NASDAQ:MDSO), the leading global provider o

November 7, 2014 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

10-Q 1 mdso-9302014x10q.htm FORM 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2014 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fr

October 28, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a50970787.htm MEDIDATA SOLUTIONS, INC. 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2014 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction

October 28, 2014 EX-99.1

Medidata Reports Record Third Quarter 2014 Revenues

EX-99.1 2 a50970787ex991.htm EXHIBIT 99.1 Exhibit 99.1 Medidata Reports Record Third Quarter 2014 Revenues Record revenues of $86.0 million, a 21% year-over-year increase Record subscription revenue of $71.5 million, a 23% year-over-year increase Revises 2014 guidance NEW YORK-(BUSINESS WIRE)-October 28, 2014-Medidata (NASDAQ: MDSO), the leading global provider of cloud-based solutions for clinica

September 25, 2014 8-K

Other Events

8-K 1 d795328d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 18, 2014 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdic

September 24, 2014 EX-99.1

Medidata Appoints Mike Capone Chief Operating Officer

EX-99.1 2 d794264dex991.htm EX-99.1 Exhibit 99.1 FOR IMMEDIATE RELEASE Medidata Appoints Mike Capone Chief Operating Officer NEW YORK, N.Y. – September 24, 2014 – Medidata (NASDAQ: MDSO), the leading global provider of cloud-based solutions for clinical research in life sciences, today announced that Michael L. Capone is joining the company as chief operating officer (COO). In the newly created CO

September 24, 2014 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 24, 2014 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction of incorporation

August 20, 2014 EX-99.1

MEDIDATA SOLUTIONS, INC. AMENDED AND RESTATED 2014 EMPLOYEE STOCK PURCHASE PLAN

EX-99.1 Exhibit 99.1 MEDIDATA SOLUTIONS, INC. AMENDED AND RESTATED 2014 EMPLOYEE STOCK PURCHASE PLAN 1. Purpose. The purpose of the Medidata Solutions, Inc. Amended and Restated 2014 Employee Stock Purchase Plan (the “Plan”) is to provide eligible employees of Medidata Solutions, Inc. (the “Company”) and its Subsidiaries with a convenient way to purchase shares of the Company’s common stock (the “

August 20, 2014 S-8

MDSO / Medidata Solutions, Inc. S-8 - - FORM S-8

As filed with the Securities and Exchange Commission on August 20, 2014 Registration No.

August 7, 2014 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

10-Q 1 mdso-6302014x10q.htm 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2014 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Comm

August 7, 2014 EX-3.1

Fifth Amended and Restated Certificate of Incorporation

Exhibit 3.1 FIFTH AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF MEDIDATA SOLUTIONS, INC. a Delaware corporation MEDIDATA SOLUTIONS, INC. (the “Corporation”), a corporation organized and existing under the laws of the State of Delaware, does hereby certify that: A.The name of the Corporation is Medidata Solutions, Inc. The date of the filing of the original Certificate of Incorporation of th

July 29, 2014 EX-99.1

Medidata Reports Record Second Quarter 2014 Results

EX-99.1 2 a50913929ex991.htm EXHIBIT 99.1 Exhibit 99.1 Medidata Reports Record Second Quarter 2014 Results Record revenues of $83.2 million, a 22% year-over-year increase Record subscription revenue of $68.9 million, a 22% year-over-year increase Reiterates 2014 revenue guidance NEW YORK-(BUSINESS WIRE)-July 29, 2014-Medidata (NASDAQ:MDSO), the leading global provider of cloud-based solutions for

July 29, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 29, 2014 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Number

July 9, 2014 EX-10.1

GENERAL RELEASE

EX-10.1 2 d755962dex101.htm EX-10.1 Exhibit 10.1 July 8, 2014 Steven Wilhite Dear Steven: This Letter Agreement incorporating the annexed General Release (collectively sometimes referred to as the “Agreement”) contains the terms and conditions applicable to your separation from employment with Medidata Solutions, Inc. or any applicable subsidiary thereof (the “Company”) and is in full settlement o

July 9, 2014 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 8, 2014 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction of incorporation) (Commission F

July 8, 2014 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

8-K 1 d756602d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 1, 2014 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction o

July 8, 2014 EX-10.1

Form of Executive Change in Control Agreement

EX-10.1 2 d756602dex101.htm EX-10.1 Exhibit 10.1 MEDIDATA SOLUTIONS, INC. EXECUTIVE CHANGE IN CONTROL AGREEMENT WITH [EXECUTIVE] AGREEMENT made as of the day of [ ], by and between MEDIDATA SOLUTIONS, INC. (“Company”) and [ ] (“Executive”). 1. Background. This Agreement is intended to provide Executive with certain payments and benefits upon an involuntary termination of Executive’s employment or

May 30, 2014 8-K

Submission of Matters to a Vote of Security Holders

8-K 1 d734399d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 28, 2014 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-

April 30, 2014 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2014 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-34387 Me

April 22, 2014 EX-99.1

Medidata Reports Record First Quarter 2014 Results

Exhibit 99.1 Medidata Reports Record First Quarter 2014 Results Record revenues of $76.6 million, a 21% year-over-year increase Record subscription revenue of $63.8 million, a 26% year-over-year increase Record billings of $90 million, a 43% year-over-year increase NEW YORK-(BUSINESS WIRE)-April 22, 2014-Medidata (NASDAQ:MDSO), the leading global provider of cloud-based solutions for clinical rese

April 22, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 22, 2014 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Numbe

April 16, 2014 DEFA14A

- DEFINITIVE ADDITIONAL MATERIALS

DEFA14A 1 d708784ddefa14a.htm DEFINITIVE ADDITIONAL MATERIALS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Chec

April 15, 2014 DEF 14A

- DEFINITIVE PROXY STATEMENT

DEF 14A 1 d683424ddef14a.htm DEFINITIVE PROXY STATEMENT Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Regis

April 2, 2014 PRE 14A

- PRELIMINARY PROXY STATEMENT

PRE 14A 1 d683424dpre14a.htm PRELIMINARY PROXY STATEMENT Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Regi

February 25, 2014 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2013 ¨ TRANSITION REPORT PURSUANT TO SECTI

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2013 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-34387 Medidat

February 25, 2014 EX-10.15

Amendment No. 1, dated September 25, 2013, to Agreement of Lease between the Rector, Church-Wardens and Vestrymen of Trinity Church in the City of New York and Medidata Solutions, Inc.

The Rector, Church-Wardens and Vestrymen of Trinity Church in the City of New York 75 Varick Street, 2nd Floor New York, New York 10013 September 25, 2013 Medidata Solutions, Inc.

February 25, 2014 EX-10.16

Amendment No. 2, dated December 6, 2013, to Agreement of Lease between the Rector, Church-Wardens and Vestrymen of Trinity Church in the City of New York and Medidata Solutions, Inc.

EX-10.16 3 mdso-12312013xex1016.htm EX-10.16 SECOND AMENDMENT OF LEASE THIS SECOND AMENDMENT OF LEASE, dated as of the 6th day of December, 2013 (this “Agreement”), made by and between THE RECTOR, CHURCH-WARDENS AND VESTRYMEN OF TRINITY CHURCH IN THE CITY OF NEW YORK, a religious corporation, having its office at 75 Varick Street, 2nd Floor, New York, New York 10013 (“Landlord”), and MEDIDATA SOLU

February 13, 2014 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 10, 2014 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction of incorporation) (Commiss

February 13, 2014 SC 13G/A

MDSO / Medidata Solutions, Inc. / BROWN CAPITAL MANAGEMENT LLC Passive Investment

SC 13G/A 1 fp0009588sc13ga.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 6)* Medidata Solutions, Inc. (Name of Issuer) Common Stock, Par Value $0.01 (Title of Class of Securities) 58471A105 (CUSIP Nu

February 11, 2014 SC 13G/A

MDSO / Medidata Solutions, Inc. / VANGUARD GROUP INC Passive Investment

medidatasolutioninc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1 )* Name of issuer: Medidata Solutions Inc Title of Class of Securities: Common Stock CUSIP Number: 58471A105 Date of Event Which Requires Filing of this Statement: December 31, 2013 Check the appropria

February 6, 2014 EX-99.1

Medidata Reports Record Full Year and Fourth Quarter 2013 Results

Exhibit 99.1 Medidata Reports Record Full Year and Fourth Quarter 2013 Results Record full year revenue of $276.8 million, a 27% year-over-year increase Record full year subscription revenue of $227.9 million, a 33% year-over-year increase Raises 2014 revenue guidance to between $340 and $345 million NEW YORK-(BUSINESS WIRE)-February 6, 2014-Medidata (NASDAQ:MDSO), the leading global provider of c

February 6, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 6, 2014 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Num

December 13, 2013 S-8

- FORM S-8

As filed with the Securities and Exchange Commission on December 13, 2013 Registration No.

December 13, 2013 EX-99.1

MEDIDATA SOLUTIONS, INC. 2014 EMPLOYEE STOCK PURCHASE PLAN

EX-99.1 Exhibit 99.1 MEDIDATA SOLUTIONS, INC. 2014 EMPLOYEE STOCK PURCHASE PLAN 1. Purpose. The purpose of the Medidata Solutions, Inc. 2014 Employee Stock Purchase Plan (the “Plan”) is to provide eligible employees of Medidata Solutions, Inc. (the “Company”) and its Subsidiaries with a convenient way to purchase shares of the Company’s common stock (the “Common Stock”). It is believed that partic

November 21, 2013 EX-99.1

Medidata Raises Long-Term Revenue Growth Target to 20-25%

FOR IMMEDIATE RELEASE Medidata Raises Long-Term Revenue Growth Target to 20-25% NEW YORK, N.

November 21, 2013 8-K

Financial Statements and Exhibits, Other Events

8-K 1 mdso-1121138k.htm MEDIDATA SOLUTIONS, INC. 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 21, 2013 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdi

November 12, 2013 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 11, 2013 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Nu

November 12, 2013 EX-99.1

Medidata Solutions Announces Two-for-One Stock Split

EX-99.1 2 mdso-111213ex991.htm EXHIBIT 99.1 FOR IMMEDIATE RELEASE Medidata Solutions Announces Two-for-One Stock Split NEW YORK, N.Y. – November 11, 2013 – Medidata Solutions (NASDAQ: MDSO), the leading global provider of cloud-based solutions for clinical research in life sciences, today announced that its Board of Directors has approved a two-for-one (2:1) split of the Company's common stock at

November 4, 2013 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

10-Q 1 mdso-9302013x10q.htm FORM 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2013 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fr

October 24, 2013 EX-99.1

Medidata Solutions Reports Record Third Quarter 2013 Results

Exhibit 99.1 Medidata Solutions Reports Record Third Quarter 2013 Results Record revenues of $70.9 million, a 27% year-over-year increase Record application services revenue of $57.9 million, a 32% year-over-year increase Raises 2013 revenue guidance to between $275.3 and $276.8 million NEW YORK-(BUSINESS WIRE)-October 24, 2013-Medidata Solutions (NASDAQ: MDSO), the leading global provider of clou

October 24, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - MEDIDATA SOLUTIONS, INC. 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 24, 2013 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-34387 (Commission File Num

September 10, 2013 SC 13G/A

MDSO / Medidata Solutions, Inc. / BROWN CAPITAL MANAGEMENT LLC Passive Investment

SC 13G/A 1 fp0008225sc13ga.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 5)* Medidata Solutions, Inc. (Name of Issuer) Common Stock, Par Value $0.01 (Title of Class of Securities) 58471A105 (CUSIP Nu

August 12, 2013 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

8-K 1 d581583d8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2013 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction of i

August 12, 2013 EX-4.1

Indenture, dated as of August 12, 2013, between Medidata Solutions, Inc. and Wells Fargo Bank, National Association, as Trustee

EX-4.1 2 d581583dex41.htm EX-4.1 Exhibit 4.1 MEDIDATA SOLUTIONS, INC. AND WELLS FARGO BANK, NATIONAL ASSOCIATION, as Trustee INDENTURE Dated as of August 12, 2013 1.00% Convertible Senior Notes due 2018 TABLE OF CONTENTS PAGE ARTICLE 1 DEFINITIONS Section 1.01. Definitions 1 Section 1.02. References to Interest 11 ARTICLE 2 ISSUE, DESCRIPTION, EXECUTION, REGISTRATION AND EXCHANGE OF NOTES Section

August 2, 2013 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

10-Q 1 mdso-6302013x10q.htm FORM 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2013 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to

July 25, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - MEDIDATA SOLUTIONS, INC. 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 25, 2013 Medidata Solutions, Inc. (Exact name of registrant as specified in its charter) Delaware 001-34387 13-4066508 (State or other jurisdiction of incorporation) (Commission

July 25, 2013 EX-99.1

Medidata Solutions Reports Record Second Quarter 2013 Results

Exhibit 99.1 Medidata Solutions Reports Record Second Quarter 2013 Results Record revenues of $68.1 million, a 27% year-over-year increase Record application services revenue of $56.3 million, a 36% year-over-year increase Raises 2013 revenue guidance to between $273 and $276 million NEW YORK-(BUSINESS WIRE)-July 25, 2013-Medidata Solutions (NASDAQ: MDSO), the leading global provider of cloud-base

May 3, 2013 EX-10.3

FORM OF MEDIDATA SOLUTIONS, INC. LONG-TERM PERFORMANCE-BASED RESTRICTED STOCK UNIT AGREEMENT

EX-10.3 4 mdso-3312013xex103.htm EX-10.3 FORM OF MEDIDATA SOLUTIONS, INC. LONG-TERM PERFORMANCE-BASED RESTRICTED STOCK UNIT AGREEMENT THIS AGREEMENT is made as of , by and between MEDIDATA SOLUTIONS, INC. (the “Company”), and (the “Participant”). 1.Award. In accordance with the Medidata Solutions, Inc. 2009 Long-Term Incentive Plan (the “Plan”), and subject to the terms and conditions of this agre

May 3, 2013 EX-10.1

Form of Medidata Solutions, Inc. Restricted Stock Agreement

MEDIDATA SOLUTIONS, INC. RESTRICTED STOCK AGREEMENT AGREEMENT made as of the day of , 20, by and between MEDIDATA SOLUTIONS, INC. (the “Company”), and (the “Participant”). 1.Award. In accordance with the Medidata Solutions, Inc. 2009 Long-Term Incentive Plan (the “Plan”), the Company has made a restricted stock award to the Participant for shares of the Company’s common stock (the “Shares”). The a

May 3, 2013 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2013 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-34387 Me

May 3, 2013 S-8

- FORM S-8

As filed with the Securities and Exchange Commission on May 3, 2013 Registration No.

May 3, 2013 EX-10.2

FORM OF MEDIDATA SOLUTIONS, INC. PERFORMANCE-BASED RESTRICTED STOCK UNIT AGREEMENT

EX-10.2 3 mdso-3312013xex102.htm EX-10.2 FORM OF MEDIDATA SOLUTIONS, INC. PERFORMANCE-BASED RESTRICTED STOCK UNIT AGREEMENT THIS AGREEMENT is made as of [ ], by and between MEDIDATA SOLUTIONS, INC. (the “Company”), and (the “Participant”). 1.Award. In accordance with the Medidata Solutions, Inc. 2009 Long-Term Incentive Plan (the “Plan”), the Company hereby grants to the Participant a target incen

May 2, 2013 EX-10.1

Medidata Solutions, Inc. Second Amended and Restated 2009 Long-Term Incentive Plan

EX-10.1 2 d529130dex101.htm EX-10.1 Exhibit 10.1 MEDIDATA SOLUTIONS, INC. SECOND AMENDED AND RESTATED 2009 LONG-TERM INCENTIVE PLAN ARTICLE 1 GENERAL 1.1 Purpose. The purpose of the Plan is to provide a flexible vehicle for offering equity-based and other incentive opportunities designed to attract, motivate and retain eligible employees, directors and other eligible persons who contribute to the

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