Insider Trading activities of Medidata Solutions, Inc. insiders. , Part 3

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Medidata Solutions, Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Medidata Solutions, Inc. since year 2005. (See page 1 of this report.) Table 2 shows the detailed insider transactions of Medidata Solutions, Inc. since 2005. The reporting company's ticker symbol is MDSO. The reporting company's CIK number is 1453814.
The total value of stock buying since 2005 is $444,171.
The total value of stock sales since 2005 is $354,308,754.
The total value of stock option exercises since 2005 is $11,619,075.


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Table 2. Detailed insider stock purchases, sales, and option exercises of Medidata Solutions, Inc. insiders (MDSO) , Part 3
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2011-12-19 Dalziel Bruce D (EVP-Finance) Option Ex 8,000 12.08 96,640
2011-12-06 Hirschfeld Steven Isaac (EVP- Customer Operations) Option Ex 35,562 9.50 337,839
2011-12-02 Sherif Tarek (Chairman & CEO) Sale 1,631 20.23 32,990
2011-12-01 Sherif Tarek (Chairman & CEO) Sale 15,036 20.04 301,246
2011-12-01 Hirschfeld Steven Isaac (EVP- Customer Operations) Sale 8,667 19.88 172,299
2011-12-01 De Vries Glen Michael (President) Sale 20,000 19.98 399,640
2011-11-30 Dalziel Bruce D (EVP-Finance) Sale 29,724 20.00 594,480
2011-11-30 Dalziel Bruce D (EVP-Finance) Option Ex 29,724 12.08 359,065
2011-11-23 Hirschfeld Steven Isaac (EVP- Customer Operations) Sale 8,333 19.00 158,285
2011-11-08 Douglas Cory (Chief Financial Officer) Sale 5,481 20.00 109,620
2011-11-08 Douglas Cory (Chief Financial Officer) Option Ex 5,481 12.08 66,210
2011-11-08 Dalziel Bruce D (EVP-Finance) Sale 10,276 20.00 205,520
2011-11-08 Dalziel Bruce D (EVP-Finance) Option Ex 10,276 12.08 124,134
2011-11-02 Sherif Tarek (Chairman & CEO) Sale 2,000 17.07 34,134
2011-11-01 Sherif Tarek (Chairman & CEO) Sale 14,667 17.15 251,495
2011-11-01 De Vries Glen Michael (President) Sale 20,000 17.10 341,960
2011-10-05 Hirschfeld Steven Isaac (EVP- Customer Operations) Sale 8,333 16.95 141,244
2011-10-05 Hirschfeld Steven Isaac (EVP- Customer Operations) Option Ex 7,013 .17 1,192
2011-10-04 Sherif Tarek (Chairman & CEO) Sale 10,932 15.57 170,189
2011-10-03 Sherif Tarek (Chairman & CEO) Sale 5,735 15.95 91,444
2011-10-03 De Vries Glen Michael (President) Sale 20,000 16.00 320,000
2011-09-15 Sherif Tarek (Chairman & CEO) Sale 16,667 17.06 284,272
2011-09-15 Hirschfeld Steven Isaac (EVP- Customer Operations) Sale 7,643 16.99 129,839
2011-09-15 Hirschfeld Steven Isaac (EVP- Customer Operations) Option Ex 7,643 .17 1,299
2011-09-14 Sherif Tarek (Chairman & CEO) Sale 16,667 16.65 277,555
2011-09-14 Hirschfeld Steven Isaac (EVP- Customer Operations) Sale 690 16.95 11,695
2011-09-14 Hirschfeld Steven Isaac (EVP- Customer Operations) Option Ex 690 .17 117
2011-09-01 De Vries Glen Michael (President) Sale 20,000 16.31 326,200
2011-08-30 Shapiro Lee (Director) Buy 6,260 16.03 100,347
2011-07-18 Douglas Cory (Controller & Prin. Acct. Off.) Sale 4,000 22.47 89,876
2011-07-18 Douglas Cory (Controller & Prin. Acct. Off.) Option Ex 4,000 12.08 48,320
2011-07-18 Dalziel Bruce D (EVP & Chief Financial Officer) Sale 12,000 22.40 268,848
2011-07-18 Dalziel Bruce D (EVP & Chief Financial Officer) Option Ex 12,000 12.08 144,960
2011-07-13 Sherif Tarek (Chairman & CEO) Sale 1,800 24.25 43,650
2011-07-12 Sherif Tarek (Chairman & CEO) Sale 2,200 24.02 52,850
2011-07-07 Sherif Tarek (Chairman & CEO) Sale 3,957 24.48 96,867
2011-07-06 Sherif Tarek (Chairman & CEO) Sale 1,710 24.24 41,443
2011-07-05 Sherif Tarek (Chairman & CEO) Sale 5,000 24.37 121,850
2011-07-01 Sherif Tarek (Chairman & CEO) Sale 2,000 23.98 47,950
2011-07-01 Hirschfeld Steven Isaac (EVP- Customer Operations) Sale 8,333 23.95 199,550
2011-07-01 De Vries Glen Michael (President) Sale 20,000 23.95 478,960
2011-06-20 Douglas Cory (Controller & Prin. Acct. Off.) Sale 4,000 21.16 84,632
2011-06-20 Douglas Cory (Controller & Prin. Acct. Off.) Option Ex 4,000 12.08 48,320
2011-06-17 Dalziel Bruce D (EVP & Chief Financial Officer) Sale 12,000 21.63 259,536
2011-06-17 Dalziel Bruce D (EVP & Chief Financial Officer) Option Ex 12,000 12.08 144,960
2011-06-09 Sherif Tarek (Chairman & CEO) Sale 6,667 22.68 151,187
2011-06-07 Sherif Tarek (Chairman & CEO) Sale 2,000 22.64 45,274
2011-06-06 Sherif Tarek (Chairman & CEO) Sale 3,000 22.62 67,851
2011-06-02 Sherif Tarek (Chairman & CEO) Sale 5,000 22.92 114,590
2011-06-01 Hirschfeld Steven Isaac (EVP- Customer Operations) Sale 8,333 22.94 191,175
2011-06-01 De Vries Glen Michael (President) Sale 20,000 22.94 458,800
2011-05-18 Douglas Cory (Controller & Prin. Acct. Off.) Sale 3,000 22.67 68,004
2011-05-18 Douglas Cory (Controller & Prin. Acct. Off.) Option Ex 3,000 12.08 36,240
2011-05-17 Dalziel Bruce D (EVP & Chief Financial Officer) Sale 12,000 22.04 264,444
2011-05-17 Dalziel Bruce D (EVP & Chief Financial Officer) Option Ex 12,000 12.08 144,960
2011-05-12 Sherif Tarek (Chairman & CEO) Sale 3,438 24.16 83,072
2011-05-11 Sherif Tarek (Chairman & CEO) Sale 6,000 23.27 139,638
2011-05-09 Sherif Tarek (Chairman & CEO) Sale 2,629 24.69 64,915
2011-05-06 Sherif Tarek (Chairman & CEO) Sale 2,000 25.08 50,160
2011-05-04 Sherif Tarek (Chairman & CEO) Sale 2,600 25.29 65,748
2011-05-02 Hirschfeld Steven Isaac (EVP-Global Sales & Alliance) Sale 8,333 25.69 214,074
2011-05-02 De Vries Glen Michael (President) Sale 20,000 25.68 513,660
2011-04-18 Douglas Cory (Controller & Prin. Acct. Off.) Sale 3,000 25.64 76,917
2011-04-18 Douglas Cory (Controller & Prin. Acct. Off.) Option Ex 3,000 12.08 36,240
2011-04-18 Dalziel Bruce D (EVP & Chief Financial Officer) Sale 12,000 25.62 307,392
2011-04-18 Dalziel Bruce D (EVP & Chief Financial Officer) Option Ex 12,000 12.08 144,960
2011-04-11 Sherif Tarek (Chairman & CEO) Sale 4,982 25.54 127,240
2011-04-07 Sherif Tarek (Chairman & CEO) Sale 6,000 26.03 156,162
2011-04-05 Sherif Tarek (Chairman & CEO) Sale 3,000 25.57 76,701
2011-04-04 Sherif Tarek (Chairman & CEO) Sale 2,685 26.35 70,747
2011-04-01 Hirschfeld Steven Isaac (EVP-Global Sales & Alliance) Sale 8,333 25.38 211,474
2011-04-01 De Vries Glen Michael (President) Sale 20,000 25.38 507,540
2011-03-21 Dalziel Bruce D (EVP & Chief Financial Officer) Sale 12,000 25.16 301,980
2011-03-21 Dalziel Bruce D (EVP & Chief Financial Officer) Option Ex 12,000 12.08 144,960
2011-03-08 Sherif Tarek (Chairman & CEO) Sale 6,667 26.80 178,702
2011-03-04 Sherif Tarek (Chairman & CEO) Sale 2,000 26.63 53,260
2011-03-03 Sherif Tarek (Chairman & CEO) Sale 2,000 26.62 53,240
2011-03-02 Sherif Tarek (Chairman & CEO) Sale 2,000 26.36 52,720
2011-03-01 Sherif Tarek (Chairman & CEO) Sale 4,000 26.34 105,348
2011-03-01 Hirschfeld Steven Isaac (EVP-Global Sales & Alliance) Sale 8,333 26.10 217,507
2011-03-01 De Vries Glen Michael (President) Sale 20,000 26.11 522,140
2011-02-07 Sherif Tarek (Chairman & CEO) Sale 11,367 25.73 292,495
2011-02-04 Sherif Tarek (Chairman & CEO) Sale 2,300 24.51 56,363
2011-02-02 Sherif Tarek (Chairman & CEO) Sale 3,000 25.15 75,441
2011-02-01 Hirschfeld Steven Isaac (EVP-Global Sales & Alliance) Sale 8,333 24.98 208,200
2011-02-01 De Vries Glen Michael (President) Sale 20,000 24.99 499,799
2011-01-10 Sherif Tarek (Chairman & CEO) Sale 7,667 24.80 190,172
2011-01-10 Hirschfeld Steven Isaac (EVP-Global Sales & Alliance) Sale 25,000 24.94 623,500
2011-01-07 Sherif Tarek (Chairman & CEO) Sale 6,000 24.08 144,456
2011-01-03 Sherif Tarek (Chairman & CEO) Sale 3,000 24.30 72,903
2011-01-03 Hirschfeld Steven Isaac (EVP-Global Sales & Alliance) Sale 8,333 24.00 199,967
2011-01-03 De Vries Glen Michael (President) Sale 20,000 24.00 480,080
2010-12-08 Sherif Tarek (Chairman & CEO) Sale 6,003 20.44 122,719
2010-12-07 Sherif Tarek (Chairman & CEO) Sale 995 20.85 20,746
2010-12-06 Sherif Tarek (Chairman & CEO) Sale 2,000 20.73 41,458
2010-12-03 Sherif Tarek (Chairman & CEO) Sale 9,000 20.59 185,265
2010-12-01 Sherif Tarek (Chairman & CEO) Sale 2,000 20.70 41,400
2010-12-01 De Vries Glen Michael (President) Sale 25,000 20.34 508,474
2010-11-23 Sobiloff Peter (Director) Sale 3,370 19.35 65,219
2010-11-22 Hirschfeld Steven Isaac (EVP-Global Sales & Alliances) Option Ex 17,000 5.00 85,000
2010-11-22 Dalziel Bruce D (EVP & Chief Financial Officer) Sale 12,000 19.54 234,480
2010-11-22 Sobiloff Peter (Director) Sale 6,630 19.77 131,101
2010-11-19 Sherif Tarek (Chairman & CEO) Sale 14,998 19.26 288,921
2010-11-19 Krasnow Lineene Norris (EVP-Product & Marketing) Sale 13,000 19.13 248,664
2010-11-19 Krasnow Lineene Norris (EVP-Product & Marketing) Option Ex 13,000 .62 8,060
2010-11-18 Sherif Tarek (Chairman & CEO) Sale 3,000 19.00 57,000
2010-11-18 Krasnow Lineene Norris (EVP-Product & Marketing) Sale 7,000 18.93 132,475
2010-11-18 Krasnow Lineene Norris (EVP-Product & Marketing) Option Ex 7,000 .62 4,340
2010-11-18 Sobiloff Peter (Director) Sale 5,000 19.00 95,015
2010-11-16 Hirschfeld Steven Isaac (EVP-Global Sales & Alliances) Sale 6,611 18.13 119,870
2010-11-16 Hirschfeld Steven Isaac (EVP-Global Sales & Alliances) Option Ex 6,611 .17 1,123
2010-11-15 Sherif Tarek (Chairman & CEO) Sale 2,000 19.29 38,588
2010-11-15 Hirschfeld Steven Isaac (EVP-Global Sales & Alliances) Sale 68,124 18.92 1,288,974
2010-11-15 Hirschfeld Steven Isaac (EVP-Global Sales & Alliances) Option Ex 68,124 .17 11,581
2010-11-15 Krasnow Lineene Norris (EVP-Product & Marketing) Sale 27,507 18.81 517,489
2010-11-15 Krasnow Lineene Norris (EVP-Product & Marketing) Option Ex 27,507 .62 17,054
2010-11-15 De Vries Glen Michael (President) Sale 25,000 18.68 466,899
2010-11-15 Kurtz Neil M (Director) Sale 20,000 18.58 371,599
2010-11-15 Kurtz Neil M (Director) Option Ex 20,000 .17 3,400
2010-11-12 Hirschfeld Steven Isaac (EVP-Global Sales & Alliances) Sale 25,265 19.79 499,994
2010-11-12 Hirschfeld Steven Isaac (EVP-Global Sales & Alliances) Option Ex 25,265 .17 4,295
2010-11-12 Krasnow Lineene Norris (EVP-Product & Marketing) Sale 22,493 20.64 464,188
2010-11-12 Krasnow Lineene Norris (EVP-Product & Marketing) Option Ex 22,493 .62 13,945
2010-11-12 Douglas Cory (Controller & Prin. Acct. Off.) Sale 16,500 19.95 329,224
2010-11-12 Douglas Cory (Controller & Prin. Acct. Off.) Option Ex 16,500 12.08 199,320
2010-11-12 Sobiloff Peter (Director) Sale 2,914 20.06 58,451
2010-01-25 Hirschfeld Steven Isaac (EVP-Global Sales & Alliances) Option Ex 14,000 15.70 219,800
2009-12-24 Sobiloff Peter Sale 825,000 14.18 11,694,375
2009-12-14 Insight Holdings Group, Llc (10% Owner) Sale 5,921,056 14.18 83,930,968
2009-12-14 Sobiloff Peter Sale 2,960,528 14.18 41,965,484
2009-12-09 Sherif Tarek (Chairman and CEO) Sale 145,000 14.18 2,055,375
2009-12-09 Hirschfeld Steven Isaac (EVP-Global Sales and Alliances) Sale 75,000 14.18 1,063,125
2009-12-09 Krasnow Lineene Norris (EVP - Product and Marketing) Sale 75,000 14.18 1,063,125
2009-12-09 Krasnow Lineene Norris (EVP - Product and Marketing) Option Ex 75,000 .62 46,500
2009-12-09 De Vries Glen Michael (President) Sale 145,000 14.18 2,055,375
2009-12-09 Kurtz Neil M (Director) Sale 15,000 14.18 212,625
2009-12-09 Kurtz Neil M (Director) Option Ex 15,000 .17 2,550
2009-06-30 Insight Holdings Group, Llc (10% Owner) Sale 1,263,670 13.02 16,452,983
2009-06-30 Sobiloff Peter Sale 631,835 13.02 8,226,491
2009-06-25 Krasnow Lineene Norris (EVP-Product & Marketing) Buy 700 14.00 9,800
2009-06-25 Taylor Robert (Director) Buy 5,000 14.00 70,000
2009-06-25 Dalziel Bruce D (EVP & Chief Financial Officer) Buy 12,000 14.00 168,000
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Insider trading activities including stock purchases, stock sales, and option exercises of MDSO listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Medidata Solutions, Inc. (symbol MDSO, CIK number 1453814) see the Securities and Exchange Commission (SEC) website.