Home > Insider Trading > Filing (0001181431-11-030522)

Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1453814	Medidata Solutions Inc.	MDSO	Services-Prepackaged Software (7372)	522319066

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1237855	D Bruce Dalziel	C/O Medidata Solutions, Inc. 79 Fifth Avenue, 8Th Floor New York NY 10003	Evp & Chief Financial Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2011-05-17	12,000	$12.08	68,839	No	4	M	Direct
Common Stock	Disposition	2011-05-17	12,000	$22.04	56,839	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (right to buy)	Disposition	2011-05-17	12,000	$0.00	12,000	$12.08

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
185,000		2017-10-02	No	4	M	Direct

Footnotes

The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 17, 2011.
Such transaction was executed in multiple trades at prices ranging from $21.43 to $22.44. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
These options vested and become exercisable as to 25% of the underlying shares on September 10, 2008 and the remaining vest ratably each month over three years thereafter.