Medidata Solutions Inc. (MDSO)

Market is closed

Insider Trading: Sales

Insider	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
De	$50.20	56,547	Officer, Director	725,383	2013-02-22	Filing
Krasnow	$38.59	5,790	Officer	57,366	2012-12-13	Filing
Krasnow	$38.56	5,531	Officer	57,366	2012-12-12	Filing
Krasnow	$38.42	3,151	Officer	57,366	2012-12-11	Filing
Hirschfeld	$38.37	22,554	Officer	54,871	2012-12-11	Filing
Hirschfeld	$38.39	13,018	Officer	77,425	2012-12-10	Filing
De	$38.66	25,000	Officer, Director	738,616	2012-12-05	Filing
Sherif	$38.48	20,000	Officer, Director	537,502	2012-12-05	Filing
Douglas	$37.98	5,700	Officer	34,938	2012-12-04	Filing
De	$40.01	204,000	Officer, Director	740,304	2012-11-19	Filing
Sherif	$40.01	204,000	Officer, Director	557,502	2012-11-19	Filing
De	$40.68	40,000	Officer, Director	944,304	2012-11-07	Filing
Spielman	$42.00	5,500	Other	6,704	2012-11-06	Filing
Spielman	$41.61	5,500	Other	6,704	2012-11-05	Filing
Sherif	$41.04	40,000	Officer, Director	761,502	2012-11-05	Filing
Sherif	$39.17	19,765	Officer, Director	801,502	2012-10-04	Filing
Sherif	$39.77	20,235	Officer, Director	821,267	2012-10-03	Filing
De	$39.77	27,604	Officer, Director	984,304	2012-10-03	Filing
Hirschfeld	$37.55	23,810	Officer	83,703	2012-09-12	Filing
Hirschfeld	$37.49	27,733	Officer	83,703	2012-09-11	Filing