Insider Stock Trading History of Themelis Nicholas


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 Themelis Nicholas since year 2005. The trader's CIK number is 1296468. At the time of this reporting, Themelis Nicholas is the Chief Information Officer of Marketaxess Holdings Inc . (stock ticker symbol MKTX). See this page for all insider trading activities at Marketaxess Holdings Inc .


Stock purchases, sales, and option exercises reported by insider Themelis Nicholas since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-11-02 MKTX Marketaxess Holdings Inc Option Ex 4,000 10.93 43,720
2017-11-02 MKTX Marketaxess Holdings Inc Sale 4,000 176.40 705,608
2017-06-09 MKTX Marketaxess Holdings Inc Option Ex 5,596 10.93 61,164
2017-06-09 MKTX Marketaxess Holdings Inc Sale 5,596 201.17 1,125,758
2017-02-09 MKTX Marketaxess Holdings Inc Option Ex 10,468 10.93 114,415
2017-02-09 MKTX Marketaxess Holdings Inc Sale 10,468 188.17 1,969,805
2016-08-23 MKTX Marketaxess Holdings Inc Sale 5,745 165.40 950,223
2016-08-22 MKTX Marketaxess Holdings Inc Sale 455 165.46 75,284
2016-02-03 MKTX Marketaxess Holdings Inc Sale 10,683 113.76 1,215,308
2015-02-10 MKTX Marketaxess Holdings Inc Sale 5,000 80.70 403,500
2015-02-09 MKTX Marketaxess Holdings Inc Sale 4,919 80.52 396,053
2015-01-14 MKTX Marketaxess Holdings Inc Option Ex 25,835 11.69 302,011
2014-11-14 MKTX Marketaxess Holdings Inc Option Ex 2,538 15.60 39,592
2014-08-21 MKTX Marketaxess Holdings Inc Sale 11,000 57.58 633,347
2013-11-20 MKTX Marketaxess Holdings Inc Option Ex 6,659 12.96 86,300
2013-11-20 MKTX Marketaxess Holdings Inc Sale 6,659 68.30 454,816
2013-11-19 MKTX Marketaxess Holdings Inc Option Ex 20,818 12.96 269,801
2013-11-19 MKTX Marketaxess Holdings Inc Sale 20,818 68.70 1,430,300
2013-05-16 MKTX Marketaxess Holdings Inc Sale 17,000 45.89 780,062
2012-12-13 MKTX Marketaxess Holdings Inc Sale 41,749 32.24 1,345,820
2012-12-13 MKTX Marketaxess Holdings Inc Option Ex 41,749 13.95 582,398
2012-12-12 MKTX Marketaxess Holdings Inc Sale 16,904 32.63 551,577
2012-12-10 MKTX Marketaxess Holdings Inc Option Ex 25,069 13.95 349,712
2012-12-11 MKTX Marketaxess Holdings Inc Option Ex 16,278 13.95 227,078
2012-12-10 MKTX Marketaxess Holdings Inc Sale 15,069 32.67 492,259
2012-12-11 MKTX Marketaxess Holdings Inc Sale 16,278 32.48 528,644
2012-12-12 MKTX Marketaxess Holdings Inc Option Ex 16,904 13.95 235,810
2012-06-12 MKTX Marketaxess Holdings Inc Sale 32,379 30.11 975,093
2012-06-11 MKTX Marketaxess Holdings Inc Sale 17,263 30.50 526,469
2012-06-12 MKTX Marketaxess Holdings Inc Option Ex 32,379 15.60 505,112
2012-06-11 MKTX Marketaxess Holdings Inc Option Ex 5,083 15.60 79,294
2011-11-07 MKTX Marketaxess Holdings Inc Sale 21,201 28.52 604,652
2011-11-07 MKTX Marketaxess Holdings Inc Option Ex 5,605 12.96 72,640
2011-11-04 MKTX Marketaxess Holdings Inc Sale 76,869 28.97 2,226,894
2011-11-04 MKTX Marketaxess Holdings Inc Option Ex 76,869 12.07 927,808
2011-03-07 MKTX Marketaxess Holdings Inc Sale 11,000 22.05 242,550
2011-03-08 MKTX Marketaxess Holdings Inc Sale 19,000 22.21 421,990
2010-11-12 MKTX Marketaxess Holdings Inc Sale 25,000 18.51 462,725
2010-02-24 MKTX Marketaxess Holdings Inc Sale 3,838 15.38 59,047
2010-02-25 MKTX Marketaxess Holdings Inc Sale 11,162 15.10 168,490
2008-11-03 MKTX Marketaxess Holdings Inc Buy 4,000 5.50 22,000
2008-11-04 MKTX Marketaxess Holdings Inc Buy 4,000 5.00 20,000

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 Themelis Nicholas (Chief Information Officer of Marketaxess Holdings Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.