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Home > Insider Trading > Filing (Stocks2009.txt-57626258)

Filing Details

Form Type:: 4
Zero Holdings:: No
Publication Time:: 2009-12-15 11:30:38
Reporting Period:: 2009-12-14

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1453814	Medidata Solutions Inc.	MDSO	()

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1120968	Insight Venture Partners Iv Lp Insight Venture Partners Iv (	680 Fifth Avenue - 8Th Floor 680 Fifth A New York New York New York New NY 10019 1001		No	No	Yes	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2009-12-14	2,960,528	$14.18	1,844,343	No	4	S	Indirect	See Footnotes (5) and (6)

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See Footnotes (5) and (6)