Medidata Solutions Inc. (MDSO)

Market is closed

Insider Trading: Sales

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Kurtz Director	$24.89	32,000	$796,556.80	45,535	2012-03-09	Filing
De Officer, Director	$24.40	15,000	$366,057.00	1,097,914	2012-03-07	Filing
Hirschfeld Officer	$25.00	10,000	$250,000.00	69,725	2012-03-07	Filing
Hirschfeld Officer	$22.50	10,000	$225,006.00	69,725	2012-03-06	Filing
Sherif Officer, Director	$24.48	10,000	$244,807.00	917,508	2012-03-07	Filing
Sherif Officer, Director	$21.45	10,000	$214,514.00	927,508	2012-02-03	Filing
De Officer, Director	$20.77	10,000	$207,682.00	1,112,914	2012-02-01	Filing
Hirschfeld Officer	$20.13	4,655	$93,681.88	69,725	2012-01-17	Filing
De Officer, Director	$21.37	10,000	$213,673.00	1,122,914	2012-01-04	Filing
Sherif Officer, Director	$21.18	10,000	$211,764.00	937,508	2012-01-05	Filing
Dalziel Officer	$21.04	8,000	$168,320.80	74,493	2011-12-19	Filing
Sherif Officer, Director	$20.23	1,631	$32,990.40	947,508	2011-12-02	Filing
Sherif Officer, Director	$20.03	15,036	$301,243.25	949,139	2011-12-01	Filing
Hirschfeld Officer	$19.88	8,667	$172,299.96	34,163	2011-12-01	Filing
De Officer, Director	$19.98	20,000	$399,630.00	1,140,414	2011-12-01	Filing
Dalziel Officer	$20.00	29,724	$594,480.00	74,493	2011-11-30	Filing
Hirschfeld Officer	$18.99	8,333	$158,283.67	42,830	2011-11-23	Filing
Dalziel Officer	$20.00	10,276	$205,520.00	74,493	2011-11-08	Filing
Douglas Officer	$20.00	5,481	$109,620.00	15,522	2011-11-08	Filing
Sherif Officer, Director	$17.07	2,000	$34,133.80	964,175	2011-11-02	Filing