Insider Trading activities of Medidata Solutions, Inc. insiders.

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. 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 $383,210,154.
The total value of stock option exercises since 2005 is $11,650,611.


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Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Medidata Solutions, Inc. (MDSO).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-11 0 $0 420,000 $28,901,400 2,255 $31,536
2017-08 0 $0 5,000 $372,650 0 $0
2017-06 0 $0 5,639 $414,240 0 $0
2017-05 0 $0 12,500 $845,224 0 $0
2017-04 0 $0 2,964 $169,185 0 $0
2017-03 0 $0 15,000 $848,325 0 $0
2017-02 0 $0 15,000 $839,900 86,838 $0
2017-01 0 $0 25,000 $1,288,300 0 $0
2016-12 0 $0 55,000 $2,880,800 0 $0
2016-11 0 $0 28,987 $1,506,183 6,406 $118,416
2016-10 0 $0 32,331 $1,701,770 0 $0
2016-09 0 $0 35,000 $1,930,425 10,000 $115,000
2016-08 0 $0 81,006 $4,420,143 0 $0
2016-07 0 $0 123,088 $6,218,626 49,573 $782,859
2016-06 0 $0 25,000 $1,158,299 0 $0
2016-05 0 $0 34,689 $1,560,249 1,520 $21,264
2016-04 0 $0 103,717 $4,806,702 0 $0
2016-02 0 $0 0 $0 28,562 $0
2015-11 0 $0 10,417 $463,941 10,417 $195,370
2015-07 0 $0 10,201 $612,445 0 $0
2015-06 0 $0 0 $0 1,490 $17,135
2015-05 0 $0 29,285 $1,587,781 2,084 $39,075
2015-04 0 $0 12,333 $681,903 12,333 $172,415
2015-03 0 $0 42,083 $2,097,246 2,083 $39,066
2015-02 0 $0 108,097 $4,844,942 90,134 $1,388,930
2015-01 0 $0 0 $0 6,596 $68,947
2014-12 0 $0 22,075 $938,761 0 $0
2014-11 2,400 $96,024 26,864 $1,166,676 15,604 $156,710
2014-10 0 $0 40,000 $1,711,800 0 $0
2014-09 0 $0 40,000 $1,963,519 0 $0
2014-08 0 $0 116,062 $5,255,885 23,662 $194,634
2014-07 0 $0 58,555 $2,514,430 6,443 $120,870
2014-06 0 $0 40,000 $1,610,550 4,926 $44,989
2014-05 0 $0 40,000 $1,604,080 7,847 $134,206
2014-04 0 $0 45,208 $2,341,760 5,208 $57,584
2014-03 0 $0 40,000 $2,624,480 0 $0
2014-02 0 $0 123,908 $7,329,398 251,891 $273,176
2014-01 0 $0 40,000 $2,375,800 0 $0
2013-12 0 $0 133,319 $15,676,018 20,000 $283,309
2013-11 0 $0 86,666 $9,612,422 57,294 $946,158
2013-10 0 $0 28,071 $3,238,280 22,200 $591,811
2013-09 0 $0 3,905 $388,418 3,905 $87,589
2013-08 0 $0 2,500 $230,410 2,500 $30,200
2013-07 0 $0 64,642 $5,764,422 8,095 $136,724
2013-06 0 $0 10,675 $778,749 0 $0
2013-05 0 $0 78,954 $5,324,262 33,243 $474,193
2013-04 0 $0 61,862 $4,022,584 0 $0
2013-03 0 $0 16,000 $854,606 11,000 $185,790
2013-02 0 $0 77,737 $3,909,575 21,190 $291,860
2012-12 0 $0 100,744 $3,875,459 20,172 $296,065
2012-11 0 $0 499,000 $20,054,980 41,052 $770,858
2012-10 0 $0 67,604 $2,676,724 0 $0
2012-09 0 $0 107,300 $3,965,514 62,300 $311,500
2012-08 0 $0 87,057 $3,098,318 42,057 $508,047
2012-07 0 $0 65,000 $2,153,120 25,000 $125,000
2012-06 0 $0 55,000 $1,572,365 25,000 $125,000
2012-05 0 $0 30,000 $836,310 0 $0
2012-04 0 $0 30,000 $779,460 0 $0
2012-03 0 $0 87,000 $2,157,424 95,000 $16,150
2012-02 0 $0 20,000 $422,190 0 $0
2012-01 0 $0 24,655 $519,110 4,655 $791
2011-12 0 $0 53,334 $1,074,495 43,562 $434,479
2011-11 0 $0 90,481 $1,695,494 45,481 $549,409
2011-10 0 $0 45,000 $722,877 7,013 $1,192
2011-09 0 $0 61,667 $1,029,561 8,333 $1,416
2011-08 6,260 $100,347 0 $0 0 $0
2011-07 0 $0 61,000 $1,441,844 16,000 $193,280
2011-06 0 $0 61,000 $1,373,045 16,000 $193,280
2011-05 0 $0 60,000 $1,463,715 15,000 $181,200
2011-04 0 $0 60,000 $1,534,173 15,000 $181,200
2011-03 0 $0 57,000 $1,484,897 12,000 $144,960
2011-02 0 $0 45,000 $1,132,298 0 $0
2011-01 0 $0 70,000 $1,711,078 0 $0
2010-12 0 $0 44,998 $920,062 0 $0
2010-11 0 $0 281,412 $5,408,151 223,500 $348,118
2010-01 0 $0 0 $0 14,000 $219,800
2009-12 0 $0 10,161,584 $144,040,452 90,000 $49,050
2009-06 17,700 $247,800 1,895,505 $24,679,474 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Medidata Solutions, Inc. insiders (MDSO)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-11-15 Capone Michael L (Chief Operating Officer) Sale 5,000 66.33 331,650
2017-11-06 Taylor Robert Sale 5,000 71.39 356,950
2017-11-02 Otner Michael I. (EVP-General Counsel) Sale 10,000 70.88 708,800
2017-11-02 Otner Michael I. (EVP-General Counsel) Option Ex 2,255 13.98 31,536
2017-11-02 Sherif Tarek (Chairman & CEO) Sale 200,000 68.76 13,752,000
2017-11-02 De Vries Glen Michael (President) Sale 200,000 68.76 13,752,000
2017-08-15 Capone Michael L (Chief Operating Officer) Sale 5,000 74.53 372,650
2017-06-05 Taylor Robert Sale 5,639 73.46 414,240
2017-05-15 Capone Michael L (Chief Operating Officer) Sale 5,000 69.46 347,299
2017-05-01 Otner Michael I. (EVP-General Counsel) Sale 7,500 66.39 497,925
2017-04-04 Sherif Tarek (Chairman & CEO) Sale 2,964 57.08 169,185
2017-03-09 De Vries Glen Michael (President) Sale 7,500 56.05 420,375
2017-03-02 Sherif Tarek (Chairman & CEO) Sale 7,500 57.06 427,950
2017-02-24 Otner Michael I. (EVP-General Counsel) Option Ex 5,663 .00 0
2017-02-24 Sherif Tarek (Chairman & CEO) Option Ex 28,317 .00 0
2017-02-24 Hirschfeld Steven Isaac (Vice Chairman) Option Ex 9,439 .00 0
2017-02-24 De Vries Glen Michael (President) Option Ex 28,317 .00 0
2017-02-24 Capone Michael L (Chief Operating Officer) Option Ex 9,439 .00 0
2017-02-23 Schloss Eileen (OUTGOING EVP, HUMAN RESOURCES) Option Ex 5,663 .00 0
2017-02-16 Otner Michael I. (EVP-General Counsel) Sale 10,000 55.92 559,200
2017-02-14 Capone Michael L (Chief Operating Officer) Sale 5,000 56.14 280,700
2017-01-25 Hirschfeld Steven Isaac (Vice Chairman) Sale 10,000 50.83 508,300
2017-01-11 De Vries Glen Michael (President) Sale 7,500 52.44 393,300
2017-01-04 Sherif Tarek (Chairman & CEO) Sale 7,500 51.56 386,700
2016-12-21 Hirschfeld Steven Isaac (Vice Chairman) Sale 10,000 51.02 510,200
2016-12-09 De Vries Glen Michael (President) Sale 7,500 52.68 395,100
2016-12-02 Sherif Tarek (Chairman & CEO) Sale 22,500 52.68 1,185,300
2016-11-30 Hirschfeld Steven Isaac (Vice Chairman) Sale 10,000 54.87 548,700
2016-11-16 Schloss Eileen (EVP, HUMAN RESOURCES) Sale 3,831 56.60 216,834
2016-11-16 Schloss Eileen (EVP, HUMAN RESOURCES) Option Ex 6,250 18.75 117,218
2016-11-16 Hirschfeld Steven Isaac (Vice Chairman) Sale 156 57.85 9,024
2016-11-16 Hirschfeld Steven Isaac (Vice Chairman) Option Ex 156 7.68 1,198
2016-11-09 De Vries Glen Michael (President) Sale 7,500 50.85 381,375
2016-11-02 Sherif Tarek (Chairman & CEO) Sale 7,500 46.70 350,250
2016-10-26 Hirschfeld Steven Isaac (Vice Chairman) Sale 10,000 48.50 485,000
2016-10-25 Otner Michael I. (EVP-General Counsel) Sale 7,331 53.87 394,920
2016-10-11 De Vries Glen Michael (President) Sale 7,500 54.72 410,400
2016-10-04 Sherif Tarek (Chairman & CEO) Sale 7,500 54.86 411,450
2016-09-28 Hirschfeld Steven Isaac (Vice Chairman) Sale 10,000 56.17 561,700
2016-09-12 De Vries Glen Michael (President) Sale 7,500 53.70 402,750
2016-09-07 Hirschfeld Steven Isaac (Vice Chairman) Sale 10,000 55.85 558,500
2016-09-07 Hirschfeld Steven Isaac (Vice Chairman) Option Ex 10,000 11.50 115,000
2016-09-02 Sherif Tarek (Chairman & CEO) Sale 7,500 54.33 407,475
2016-08-31 Hirschfeld Steven Isaac (Vice Chairman) Sale 10,000 54.11 541,100
2016-08-29 Otner Michael I. (EVP-General Counsel) Sale 6,006 53.92 323,843
2016-08-23 Sherif Tarek (Chairman & CEO) Sale 25,000 55.00 1,375,000
2016-08-23 De Vries Glen Michael (President) Sale 25,000 55.00 1,375,000
2016-08-09 De Vries Glen Michael (President) Sale 7,500 54.39 407,925
2016-08-02 Sherif Tarek (Chairman & CEO) Sale 7,500 52.97 397,275
2016-07-29 Schloss Eileen (EVP, HUMAN RESOURCES) Sale 2,083 53.04 110,482
2016-07-29 Schloss Eileen (EVP, HUMAN RESOURCES) Option Ex 2,083 18.75 39,066
2016-07-27 Hirschfeld Steven Isaac (Vice Chairman) Sale 10,000 52.77 527,700
2016-07-26 Schloss Eileen (EVP, HUMAN RESOURCES) Sale 10,644 52.82 562,216
2016-07-26 Schloss Eileen (EVP, HUMAN RESOURCES) Option Ex 16,665 18.75 312,552
2016-07-22 Otner Michael I. (EVP-General Counsel) Sale 7,500 51.27 384,525
2016-07-20 Hirschfeld Steven Isaac (Vice Chairman) Sale 20,825 52.85 1,100,601
2016-07-20 Hirschfeld Steven Isaac (Vice Chairman) Option Ex 20,825 13.99 291,341
2016-07-12 Sherif Tarek (Chairman & CEO) Sale 22,036 49.24 1,085,052
2016-07-12 Hirschfeld Steven Isaac (Vice Chairman) Sale 10,000 49.85 498,500
2016-07-12 Hirschfeld Steven Isaac (Vice Chairman) Option Ex 10,000 13.99 139,900
2016-07-12 De Vries Glen Michael (President) Sale 32,500 49.29 1,601,925
2016-07-05 Sherif Tarek (Chairman & CEO) Sale 7,500 46.35 347,625
2016-06-29 Hirschfeld Steven Isaac (Vice Chairman) Sale 10,000 45.66 456,599
2016-06-09 De Vries Glen Michael (President) Sale 7,500 47.66 357,450
2016-06-02 Sherif Tarek (Chairman & CEO) Sale 7,500 45.90 344,250
2016-05-31 Taylor Robert Sale 3,752 45.03 168,952
2016-05-25 Sherif Tarek (Chairman & CEO) Sale 7,500 45.00 337,500
2016-05-25 Hirschfeld Steven Isaac (Vice Chairman) Sale 10,000 44.94 449,400
2016-05-25 De Vries Glen Michael (President) Sale 7,500 45.00 337,500
2016-05-25 Kurtz Neil M Sale 5,937 44.95 266,897
2016-05-25 Kurtz Neil M Option Ex 1,520 13.99 21,264
2016-04-27 Hirschfeld Steven Isaac (Vice Chairman) Sale 10,000 45.09 450,900
2016-04-25 Otner Michael I. (EVP-General Counsel) Sale 10,000 46.30 463,000
2016-04-25 Schloss Eileen (EVP, HUMAN RESOURCES) Sale 68,717 46.53 3,197,402
2016-04-25 Sherif Tarek (Chairman & CEO) Sale 7,500 46.36 347,700
2016-04-25 De Vries Glen Michael (President) Sale 7,500 46.36 347,700
2016-02-26 De Vries Glen Michael (President) Option Ex 28,562 .00 0
2015-11-10 Schloss Eileen Sale 10,417 44.54 463,941
2015-11-10 Schloss Eileen Option Ex 10,417 18.75 195,370
2015-07-21 Hirschfeld Steven Isaac (Chief Commercial Officer) Sale 5,293 61.00 322,873
2015-07-20 Hirschfeld Steven Isaac (Chief Commercial Officer) Sale 4,908 59.00 289,572
2015-06-02 Hirschfeld Steven Isaac (Chief Commercial Officer) Option Ex 1,490 11.50 17,135
2015-05-29 Schloss Eileen Sale 2,084 57.10 118,996
2015-05-29 Schloss Eileen Option Ex 2,084 18.75 39,075
2015-05-29 Taylor Robert Sale 5,048 56.81 286,776
2015-05-14 Hirschfeld Steven Isaac (Chief Commercial Officer) Sale 12,500 53.30 666,250
2015-05-13 Hirschfeld Steven Isaac (Chief Commercial Officer) Sale 9,653 53.43 515,759
2015-04-28 Douglas Cory (Chief Financial Officer) Sale 12,333 55.29 681,903
2015-04-28 Douglas Cory (Chief Financial Officer) Option Ex 12,333 13.98 172,415
2015-03-23 Sherif Tarek (Chairman & CEO) Sale 20,000 49.89 997,820
2015-03-23 De Vries Glen Michael (President) Sale 20,000 49.89 997,880
2015-03-02 Schloss Eileen Sale 2,083 48.75 101,546
2015-03-02 Schloss Eileen Option Ex 2,083 18.75 39,066
2015-02-20 Otner Michael I. (EVP-General Counsel) Option Ex 10,963 10.01 109,772
2015-02-18 Schloss Eileen Sale 12,065 46.98 566,825
2015-02-17 Otner Michael I. (EVP-General Counsel) Sale 11,010 46.75 514,739
2015-02-10 Spielman Bryan Charles Sale 5,851 45.00 263,295
2015-02-10 Taylor Robert Sale 28,672 44.07 1,263,632
2015-02-10 Taylor Robert Option Ex 28,672 17.20 493,273
2015-02-09 Schloss Eileen Sale 12,499 44.43 555,293
2015-02-09 Schloss Eileen Option Ex 12,499 28.14 351,659
2015-02-09 Douglas Cory (Chief Financial Officer) Sale 38,000 44.24 1,681,158
2015-02-09 Douglas Cory (Chief Financial Officer) Option Ex 38,000 11.43 434,226
2015-01-13 Douglas Cory (Chief Financial Officer) Option Ex 4,211 9.86 41,520
2015-01-09 Hirschfeld Steven Isaac (Chief Commercial Officer) Option Ex 2,385 11.50 27,427
2014-12-04 Hirschfeld Steven Isaac (Chief Commercial Officer) Sale 22,075 42.53 938,761
2014-11-19 Capone Michael L (Chief Operating Officer) Buy 2,400 40.01 96,024
2014-11-10 Shannon Daniel Patrick (EVP, Professional Services) Sale 26,864 43.43 1,166,676
2014-11-10 Shannon Daniel Patrick (EVP, Professional Services) Option Ex 15,604 10.04 156,710
2014-10-14 De Vries Glen Michael (President) Sale 20,000 40.30 805,900
2014-10-03 Sherif Tarek (Chairman & CEO) Sale 20,000 45.30 905,900
2014-09-09 De Vries Glen Michael (President) Sale 20,000 48.51 970,140
2014-09-04 Sherif Tarek (Chairman & CEO) Sale 20,000 49.67 993,379
2014-08-26 Spielman Bryan Charles (Other) Sale 20,000 47.73 954,500
2014-08-26 Spielman Bryan Charles (Other) Option Ex 20,000 8.45 169,000
2014-08-22 Hirschfeld Steven Isaac (EVP- Customer Operations) Sale 23,801 44.00 1,047,291
2014-08-12 De Vries Glen Michael (President) Sale 20,000 45.11 902,159
2014-08-12 Douglas Cory (Chief Financial Officer) Sale 20,000 45.27 905,300
2014-08-07 Otner Michael I. (EVP-General Counsel) Sale 10,000 44.87 448,730
2014-08-07 Otner Michael I. (EVP-General Counsel) Option Ex 3,662 7.00 25,634
2014-08-05 Sherif Tarek (Chairman & CEO) Sale 20,000 44.81 896,160
2014-08-04 Spielman Bryan Charles (Other) Sale 2,261 45.00 101,745
2014-07-31 Schloss Eileen (Other) Sale 12,499 45.61 569,905
2014-07-31 Schloss Eileen (Other) Option Ex 6,443 18.76 120,870
2014-07-08 De Vries Glen Michael (President) Sale 20,000 40.13 802,600
2014-07-07 Sherif Tarek (Chairman & CEO) Sale 9,000 42.64 383,724
2014-07-03 Sherif Tarek (Chairman & CEO) Sale 11,000 43.66 480,292
2014-06-17 Sherif Tarek (Chairman & CEO) Sale 19,818 40.27 798,070
2014-06-17 De Vries Glen Michael (President) Sale 20,000 40.26 805,200
2014-06-12 Douglas Cory (Chief Financial Officer) Option Ex 4,926 9.13 44,989
2014-06-09 Sherif Tarek (Chairman & CEO) Sale 182 40.00 7,280
2014-05-30 Hirschfeld Steven Isaac (EVP- Customer Operations) Option Ex 1,791 11.50 20,596
2014-05-27 Sherif Tarek (Chairman & CEO) Sale 20,000 40.10 802,000
2014-05-27 De Vries Glen Michael (President) Sale 20,000 40.10 802,080
2014-05-12 Schloss Eileen (Other) Option Ex 6,056 18.76 113,610
2014-04-08 De Vries Glen Michael (President) Sale 20,000 47.71 954,280
2014-04-03 Sherif Tarek (Chairman & CEO) Sale 20,000 55.05 1,101,040
2014-04-01 Mateo Alan (EVP, Field Operations) Sale 5,208 55.00 286,440
2014-04-01 Mateo Alan (EVP, Field Operations) Option Ex 5,208 11.06 57,584
2014-03-11 De Vries Glen Michael (President) Sale 20,000 64.39 1,287,880
2014-03-05 Sherif Tarek (Chairman & CEO) Sale 20,000 66.83 1,336,600
2014-02-25 Shapiro Lee (Director) Sale 1,000 63.48 63,480
2014-02-25 Shapiro Lee (Director) Option Ex 1,000 11.50 11,500
2014-02-21 Spielman Bryan Charles (Other) Sale 10,000 64.00 640,000
2014-02-21 Douglas Cory (Chief Financial Officer) Sale 17,561 64.43 1,131,437
2014-02-21 Douglas Cory (Chief Financial Officer) Option Ex 17,561 8.22 144,351
2014-02-19 Mateo Alan (EVP, Field Operations) Sale 11,500 62.24 715,783
2014-02-19 Otner Michael I. (EVP-General Counsel) Sale 10,000 61.53 615,290
2014-02-19 Schloss Eileen (Other) Sale 10,593 62.21 659,022
2014-02-18 Hirschfeld Steven Isaac (EVP- Customer Operations) Sale 17,000 60.03 1,020,476
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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.