Insider Stock Trading History of Sherif Tarek


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Sherif Tarek since year 2005. The trader's CIK number is 1466275. At the time of this reporting, Sherif Tarek is the Chairman & CEO of Medidata Solutions, Inc. . (stock ticker symbol MDSO). See this page for all insider trading activities at Medidata Solutions, Inc. .


Stock purchases, sales, and option exercises reported by insider Sherif Tarek since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-04-04 MDSO Medidata Solutions, Inc. Sale 2,964 57.08 169,185
2017-03-02 MDSO Medidata Solutions, Inc. Sale 7,500 57.06 427,950
2017-02-24 MDSO Medidata Solutions, Inc. Option Ex 28,317 .00 0
2017-01-04 MDSO Medidata Solutions, Inc. Sale 7,500 51.56 386,700
2016-12-02 MDSO Medidata Solutions, Inc. Sale 7,500 52.68 395,100
2016-12-02 MDSO Medidata Solutions, Inc. Sale 7,500 52.68 395,100
2016-12-02 MDSO Medidata Solutions, Inc. Sale 7,500 52.68 395,100
2016-11-02 MDSO Medidata Solutions, Inc. Sale 7,500 46.70 350,250
2016-10-04 MDSO Medidata Solutions, Inc. Sale 7,500 54.86 411,450
2016-09-02 MDSO Medidata Solutions, Inc. Sale 7,500 54.33 407,475
2016-08-23 MDSO Medidata Solutions, Inc. Sale 25,000 55.00 1,375,000
2016-08-02 MDSO Medidata Solutions, Inc. Sale 7,500 52.97 397,275
2016-07-12 MDSO Medidata Solutions, Inc. Sale 22,036 49.24 1,085,052
2016-07-05 MDSO Medidata Solutions, Inc. Sale 7,500 46.35 347,625
2016-06-02 MDSO Medidata Solutions, Inc. Sale 7,500 45.90 344,250
2016-05-25 MDSO Medidata Solutions, Inc. Sale 7,500 45.00 337,500
2016-04-25 MDSO Medidata Solutions, Inc. Sale 7,500 46.36 347,700
2015-03-23 MDSO Medidata Solutions, Inc. Sale 20,000 49.89 997,820
2014-10-03 MDSO Medidata Solutions, Inc. Sale 20,000 45.30 905,900
2014-09-04 MDSO Medidata Solutions, Inc. Sale 20,000 49.67 993,379
2014-08-05 MDSO Medidata Solutions, Inc. Sale 20,000 44.81 896,160
2014-07-07 MDSO Medidata Solutions, Inc. Sale 9,000 42.64 383,724
2014-07-03 MDSO Medidata Solutions, Inc. Sale 11,000 43.66 480,292
2014-06-17 MDSO Medidata Solutions, Inc. Sale 19,818 40.27 798,070
2014-06-09 MDSO Medidata Solutions, Inc. Sale 182 40.00 7,280
2014-05-27 MDSO Medidata Solutions, Inc. Sale 20,000 40.10 802,000
2014-04-03 MDSO Medidata Solutions, Inc. Sale 20,000 55.05 1,101,040
2014-03-05 MDSO Medidata Solutions, Inc. Sale 20,000 66.83 1,336,600
2014-02-10 MDSO Medidata Solutions, Inc. Option Ex 61,872 .00 0
2014-02-07 MDSO Medidata Solutions, Inc. Sale 20,000 51.57 1,031,340
2014-01-06 MDSO Medidata Solutions, Inc. Sale 20,000 59.44 1,188,880
2013-12-04 MDSO Medidata Solutions, Inc. Sale 19,803 118.17 2,340,160
2013-12-05 MDSO Medidata Solutions, Inc. Sale 11,463 118.03 1,352,920
2013-12-06 MDSO Medidata Solutions, Inc. Sale 22,024 118.03 2,599,514
2013-11-05 MDSO Medidata Solutions, Inc. Sale 30,000 109.97 3,299,070
2013-05-02 MDSO Medidata Solutions, Inc. Sale 35,000 67.25 2,353,820
2012-12-05 MDSO Medidata Solutions, Inc. Sale 20,000 38.48 769,640
2012-11-19 MDSO Medidata Solutions, Inc. Sale 204,000 40.02 8,163,060
2012-11-05 MDSO Medidata Solutions, Inc. Sale 40,000 41.04 1,641,600
2012-10-03 MDSO Medidata Solutions, Inc. Sale 20,235 39.77 804,644
2012-10-04 MDSO Medidata Solutions, Inc. Sale 19,765 39.17 774,214
2012-09-06 MDSO Medidata Solutions, Inc. Sale 20,000 36.45 728,960
2012-08-03 MDSO Medidata Solutions, Inc. Sale 20,000 35.82 716,360
2012-07-05 MDSO Medidata Solutions, Inc. Sale 15,051 32.17 484,205
2012-07-06 MDSO Medidata Solutions, Inc. Sale 4,949 31.93 158,016
2012-06-05 MDSO Medidata Solutions, Inc. Sale 15,000 27.54 413,115
2012-05-03 MDSO Medidata Solutions, Inc. Sale 15,000 27.87 418,065
2012-04-04 MDSO Medidata Solutions, Inc. Sale 15,000 26.10 391,485
2012-03-07 MDSO Medidata Solutions, Inc. Sale 10,000 24.48 244,810
2012-02-03 MDSO Medidata Solutions, Inc. Sale 10,000 21.45 214,510
2012-01-05 MDSO Medidata Solutions, Inc. Sale 10,000 21.18 211,759
2011-12-01 MDSO Medidata Solutions, Inc. Sale 15,036 20.04 301,246
2011-12-02 MDSO Medidata Solutions, Inc. Sale 1,631 20.23 32,990
2011-11-01 MDSO Medidata Solutions, Inc. Sale 14,667 17.15 251,495
2011-11-02 MDSO Medidata Solutions, Inc. Sale 2,000 17.07 34,134
2011-10-03 MDSO Medidata Solutions, Inc. Sale 5,735 15.95 91,444
2011-10-04 MDSO Medidata Solutions, Inc. Sale 10,932 15.57 170,189
2011-09-14 MDSO Medidata Solutions, Inc. Sale 16,667 16.65 277,555
2011-09-15 MDSO Medidata Solutions, Inc. Sale 16,667 17.06 284,272
2011-07-12 MDSO Medidata Solutions, Inc. Sale 2,200 24.02 52,850
2011-07-13 MDSO Medidata Solutions, Inc. Sale 1,800 24.25 43,650
2011-07-06 MDSO Medidata Solutions, Inc. Sale 1,710 24.24 41,443
2011-07-07 MDSO Medidata Solutions, Inc. Sale 3,957 24.48 96,867
2011-07-05 MDSO Medidata Solutions, Inc. Sale 5,000 24.37 121,850
2011-07-01 MDSO Medidata Solutions, Inc. Sale 2,000 23.98 47,950
2011-06-09 MDSO Medidata Solutions, Inc. Sale 6,667 22.68 151,187
2011-06-02 MDSO Medidata Solutions, Inc. Sale 5,000 22.92 114,590
2011-06-06 MDSO Medidata Solutions, Inc. Sale 3,000 22.62 67,851
2011-06-07 MDSO Medidata Solutions, Inc. Sale 2,000 22.64 45,274
2011-05-11 MDSO Medidata Solutions, Inc. Sale 6,000 23.27 139,638
2011-05-12 MDSO Medidata Solutions, Inc. Sale 3,438 24.16 83,072
2011-05-09 MDSO Medidata Solutions, Inc. Sale 2,629 24.69 64,915
2011-05-06 MDSO Medidata Solutions, Inc. Sale 2,000 25.08 50,160
2011-05-04 MDSO Medidata Solutions, Inc. Sale 2,600 25.29 65,748
2011-04-11 MDSO Medidata Solutions, Inc. Sale 4,982 25.54 127,240
2011-04-07 MDSO Medidata Solutions, Inc. Sale 6,000 26.03 156,162
2011-04-04 MDSO Medidata Solutions, Inc. Sale 2,685 26.35 70,747
2011-04-05 MDSO Medidata Solutions, Inc. Sale 3,000 25.57 76,701
2011-03-04 MDSO Medidata Solutions, Inc. Sale 2,000 26.63 53,260
2011-03-08 MDSO Medidata Solutions, Inc. Sale 6,667 26.80 178,702
2011-03-01 MDSO Medidata Solutions, Inc. Sale 4,000 26.34 105,348
2011-03-02 MDSO Medidata Solutions, Inc. Sale 2,000 26.36 52,720
2011-03-03 MDSO Medidata Solutions, Inc. Sale 2,000 26.62 53,240
2011-02-07 MDSO Medidata Solutions, Inc. Sale 11,367 25.73 292,495
2011-02-04 MDSO Medidata Solutions, Inc. Sale 2,300 24.51 56,363
2011-02-02 MDSO Medidata Solutions, Inc. Sale 3,000 25.15 75,441
2011-01-07 MDSO Medidata Solutions, Inc. Sale 6,000 24.08 144,456
2011-01-10 MDSO Medidata Solutions, Inc. Sale 7,667 24.80 190,172
2011-01-03 MDSO Medidata Solutions, Inc. Sale 3,000 24.30 72,903
2010-12-07 MDSO Medidata Solutions, Inc. Sale 995 20.85 20,746
2010-12-06 MDSO Medidata Solutions, Inc. Sale 2,000 20.73 41,458
2010-12-08 MDSO Medidata Solutions, Inc. Sale 6,003 20.44 122,719
2010-12-01 MDSO Medidata Solutions, Inc. Sale 2,000 20.70 41,400
2010-12-03 MDSO Medidata Solutions, Inc. Sale 9,000 20.59 185,265
2010-11-18 MDSO Medidata Solutions, Inc. Sale 3,000 19.00 57,000
2010-11-19 MDSO Medidata Solutions, Inc. Sale 14,998 19.26 288,921
2010-11-15 MDSO Medidata Solutions, Inc. Sale 2,000 19.29 38,588
2009-12-09 MDSO Medidata Solutions, Inc. Sale 145,000 14.18 2,055,375

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Sherif Tarek (Chairman & CEO of Medidata Solutions, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.