The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) by Sherif Tarek since 2009.
The trader's CIK number is 1466275.
At the time of the last reporting, Sherif Tarek was the Chairman and CEO of Medidata Solutions, Inc.. (stock ticker symbol MDSO).
Also see all insider trading activities at Medidata Solutions, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2019 | MDSO | 0 | $0 | 0 | $0 | 107,566 | $752,962 |
| 2018 | MDSO | 0 | $0 | 26,836 | $1,885,229 | 73,460 | $725,784 |
| 2017 | MDSO | 0 | $0 | 217,964 | $14,735,835 | 28,317 | $0 |
| 2016 | MDSO | 0 | $0 | 129,536 | $6,588,877 | 0 | $0 |
| 2015 | MDSO | 0 | $0 | 20,000 | $997,820 | 0 | $0 |
| 2014 | MDSO | 0 | $0 | 200,000 | $9,924,665 | 61,872 | $0 |
| 2013 | MDSO | 0 | $0 | 118,290 | $11,945,484 | 0 | $0 |
| 2012 | MDSO | 0 | $0 | 439,000 | $16,134,443 | 0 | $0 |
| 2011 | MDSO | 0 | $0 | 200,004 | $4,336,320 | 0 | $0 |
| 2010 | MDSO | 0 | $0 | 39,996 | $796,097 | 0 | $0 |
| 2009 | MDSO | 0 | $0 | 145,000 | $2,055,375 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2019-06-17 | MDSO | Option Ex | 107,566 | 7.00 | 752,962 |
| 2018-03-12 | MDSO | Option Ex | 73,460 | 9.88 | 725,784 |
| 2018-03-12 | MDSO | Sale | 26,836 | 70.25 | 1,885,229 |
| 2017-11-02 | MDSO | Sale | 200,000 | 68.76 | 13,752,000 |
| 2017-04-04 | MDSO | Sale | 2,964 | 57.08 | 169,185 |
| 2017-03-02 | MDSO | Sale | 7,500 | 57.06 | 427,950 |
| 2017-02-24 | MDSO | Option Ex | 28,317 | .00 | 0 |
| 2017-01-04 | MDSO | Sale | 7,500 | 51.56 | 386,700 |
| 2016-12-02 | MDSO | Sale | 7,500 | 52.68 | 395,100 |
| 2016-12-02 | MDSO | Sale | 7,500 | 52.68 | 395,100 |
| 2016-12-02 | MDSO | Sale | 7,500 | 52.68 | 395,100 |
| 2016-11-02 | MDSO | Sale | 7,500 | 46.70 | 350,250 |
| 2016-10-04 | MDSO | Sale | 7,500 | 54.86 | 411,450 |
| 2016-09-02 | MDSO | Sale | 7,500 | 54.33 | 407,475 |
| 2016-08-23 | MDSO | Sale | 25,000 | 55.00 | 1,375,000 |
| 2016-08-02 | MDSO | Sale | 7,500 | 52.97 | 397,275 |
| 2016-07-12 | MDSO | Sale | 22,036 | 49.24 | 1,085,052 |
| 2016-07-05 | MDSO | Sale | 7,500 | 46.35 | 347,625 |
| 2016-06-02 | MDSO | Sale | 7,500 | 45.90 | 344,250 |
| 2016-05-25 | MDSO | Sale | 7,500 | 45.00 | 337,500 |
| 2016-04-25 | MDSO | Sale | 7,500 | 46.36 | 347,700 |
| 2015-03-23 | MDSO | Sale | 20,000 | 49.89 | 997,820 |
| 2014-10-03 | MDSO | Sale | 20,000 | 45.30 | 905,900 |
| 2014-09-04 | MDSO | Sale | 20,000 | 49.67 | 993,379 |
| 2014-08-05 | MDSO | Sale | 20,000 | 44.81 | 896,160 |
| 2014-07-03 | MDSO | Sale | 11,000 | 43.66 | 480,292 |
| 2014-07-07 | MDSO | Sale | 9,000 | 42.64 | 383,724 |
| 2014-06-17 | MDSO | Sale | 19,818 | 40.27 | 798,070 |
| 2014-06-09 | MDSO | Sale | 182 | 40.00 | 7,280 |
| 2014-05-27 | MDSO | Sale | 20,000 | 40.10 | 802,000 |
| 2014-04-03 | MDSO | Sale | 20,000 | 55.05 | 1,101,040 |
| 2014-03-05 | MDSO | Sale | 20,000 | 66.83 | 1,336,600 |
| 2014-02-10 | MDSO | Option Ex | 61,872 | .00 | 0 |
| 2014-02-07 | MDSO | Sale | 20,000 | 51.57 | 1,031,340 |
| 2014-01-06 | MDSO | Sale | 20,000 | 59.44 | 1,188,880 |
| 2013-12-04 | MDSO | Sale | 19,803 | 118.17 | 2,340,160 |
| 2013-12-05 | MDSO | Sale | 11,463 | 118.03 | 1,352,920 |
| 2013-12-06 | MDSO | Sale | 22,024 | 118.03 | 2,599,514 |
| 2013-11-05 | MDSO | Sale | 30,000 | 109.97 | 3,299,070 |
| 2013-05-02 | MDSO | Sale | 35,000 | 67.25 | 2,353,820 |
| 2012-12-05 | MDSO | Sale | 20,000 | 38.48 | 769,640 |
| 2012-11-19 | MDSO | Sale | 204,000 | 40.02 | 8,163,060 |
| 2012-11-05 | MDSO | Sale | 40,000 | 41.04 | 1,641,600 |
| 2012-10-03 | MDSO | Sale | 20,235 | 39.77 | 804,644 |
| 2012-10-04 | MDSO | Sale | 19,765 | 39.17 | 774,214 |
| 2012-09-06 | MDSO | Sale | 20,000 | 36.45 | 728,960 |
| 2012-08-03 | MDSO | Sale | 20,000 | 35.82 | 716,360 |
| 2012-07-05 | MDSO | Sale | 15,051 | 32.17 | 484,205 |
| 2012-07-06 | MDSO | Sale | 4,949 | 31.93 | 158,016 |
| 2012-06-05 | MDSO | Sale | 15,000 | 27.54 | 413,115 |
| 2012-05-03 | MDSO | Sale | 15,000 | 27.87 | 418,065 |
| 2012-04-04 | MDSO | Sale | 15,000 | 26.10 | 391,485 |
| 2012-03-07 | MDSO | Sale | 10,000 | 24.48 | 244,810 |
| 2012-02-03 | MDSO | Sale | 10,000 | 21.45 | 214,510 |
| 2012-01-05 | MDSO | Sale | 10,000 | 21.18 | 211,759 |
| 2011-12-02 | MDSO | Sale | 1,631 | 20.23 | 32,990 |
| 2011-12-01 | MDSO | Sale | 15,036 | 20.04 | 301,246 |
| 2011-11-01 | MDSO | Sale | 14,667 | 17.15 | 251,495 |
| 2011-11-02 | MDSO | Sale | 2,000 | 17.07 | 34,134 |
| 2011-10-04 | MDSO | Sale | 10,932 | 15.57 | 170,189 |
| 2011-10-03 | MDSO | Sale | 5,735 | 15.95 | 91,444 |
| 2011-09-15 | MDSO | Sale | 16,667 | 17.06 | 284,272 |
| 2011-09-14 | MDSO | Sale | 16,667 | 16.65 | 277,555 |
| 2011-07-12 | MDSO | Sale | 2,200 | 24.02 | 52,850 |
| 2011-07-13 | MDSO | Sale | 1,800 | 24.25 | 43,650 |
| 2011-07-06 | MDSO | Sale | 1,710 | 24.24 | 41,443 |
| 2011-07-07 | MDSO | Sale | 3,957 | 24.48 | 96,867 |
| 2011-07-01 | MDSO | Sale | 2,000 | 23.98 | 47,950 |
| 2011-07-05 | MDSO | Sale | 5,000 | 24.37 | 121,850 |
| 2011-06-09 | MDSO | Sale | 6,667 | 22.68 | 151,187 |
| 2011-06-02 | MDSO | Sale | 5,000 | 22.92 | 114,590 |
| 2011-06-06 | MDSO | Sale | 3,000 | 22.62 | 67,851 |
| 2011-06-07 | MDSO | Sale | 2,000 | 22.64 | 45,274 |
| 2011-05-11 | MDSO | Sale | 6,000 | 23.27 | 139,638 |
| 2011-05-12 | MDSO | Sale | 3,438 | 24.16 | 83,072 |
| 2011-05-09 | MDSO | Sale | 2,629 | 24.69 | 64,915 |
| 2011-05-06 | MDSO | Sale | 2,000 | 25.08 | 50,160 |
| 2011-05-04 | MDSO | Sale | 2,600 | 25.29 | 65,748 |
| 2011-04-11 | MDSO | Sale | 4,982 | 25.54 | 127,240 |
| 2011-04-07 | MDSO | Sale | 6,000 | 26.03 | 156,162 |
| 2011-04-04 | MDSO | Sale | 2,685 | 26.35 | 70,747 |
| 2011-04-05 | MDSO | Sale | 3,000 | 25.57 | 76,701 |
| 2011-03-04 | MDSO | Sale | 2,000 | 26.63 | 53,260 |
| 2011-03-08 | MDSO | Sale | 6,667 | 26.80 | 178,702 |
| 2011-03-03 | MDSO | Sale | 2,000 | 26.62 | 53,240 |
| 2011-03-02 | MDSO | Sale | 2,000 | 26.36 | 52,720 |
| 2011-03-01 | MDSO | Sale | 4,000 | 26.34 | 105,348 |
| 2011-02-04 | MDSO | Sale | 2,300 | 24.51 | 56,363 |
| 2011-02-07 | MDSO | Sale | 11,367 | 25.73 | 292,495 |
| 2011-02-02 | MDSO | Sale | 3,000 | 25.15 | 75,441 |
| 2011-01-10 | MDSO | Sale | 7,667 | 24.80 | 190,172 |
| 2011-01-07 | MDSO | Sale | 6,000 | 24.08 | 144,456 |
| 2011-01-03 | MDSO | Sale | 3,000 | 24.30 | 72,903 |
| 2010-12-08 | MDSO | Sale | 6,003 | 20.44 | 122,719 |
| 2010-12-07 | MDSO | Sale | 995 | 20.85 | 20,746 |
| 2010-12-06 | MDSO | Sale | 2,000 | 20.73 | 41,458 |
| 2010-12-03 | MDSO | Sale | 9,000 | 20.59 | 185,265 |
| 2010-12-01 | MDSO | Sale | 2,000 | 20.70 | 41,400 |
| 2010-11-18 | MDSO | Sale | 3,000 | 19.00 | 57,000 |
| 2010-11-19 | MDSO | Sale | 14,998 | 19.26 | 288,921 |
| 2010-11-15 | MDSO | Sale | 2,000 | 19.29 | 38,588 |
| 2009-12-09 | MDSO | 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 and CEO of Medidata Solutions, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.