The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Themelis Nicholas since 2008.
This trader's CIK number is 1296468.
At the time of last reporting, Themelis Nicholas was the Chief Information Officer of Marketaxess Holdings Inc. (stock ticker symbol MKTX).
Also see all insider trading activities at Marketaxess Holdings Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2022 | MKTX | 0 | $0 | 2,000 | $729,974 | 0 | $0 |
| 2021 | MKTX | 0 | $0 | 25,433 | $11,497,997 | 13,433 | $1,387,628 |
| 2020 | MKTX | 0 | $0 | 33,262 | $16,866,295 | 17,262 | $2,245,354 |
| 2019 | MKTX | 0 | $0 | 8,239 | $2,745,296 | 0 | $0 |
| 2018 | MKTX | 0 | $0 | 18,231 | $3,575,038 | 0 | $0 |
| 2017 | MKTX | 0 | $0 | 20,064 | $3,801,171 | 20,064 | $219,299 |
| 2016 | MKTX | 0 | $0 | 16,883 | $2,240,815 | 0 | $0 |
| 2015 | MKTX | 0 | $0 | 9,919 | $799,553 | 25,835 | $302,011 |
| 2014 | MKTX | 0 | $0 | 11,000 | $633,347 | 2,538 | $39,592 |
| 2013 | MKTX | 0 | $0 | 44,477 | $2,665,178 | 27,477 | $356,101 |
| 2012 | MKTX | 0 | $0 | 139,642 | $4,419,862 | 137,462 | $1,979,404 |
| 2011 | MKTX | 0 | $0 | 128,070 | $3,496,086 | 82,474 | $1,000,448 |
| 2010 | MKTX | 0 | $0 | 40,000 | $690,262 | 0 | $0 |
| 2008 | MKTX | 8,000 | $42,000 | 0 | $0 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2022-03-07 | MKTX | Sale | 2,000 | 364.99 | 729,974 |
| 2021-12-07 | MKTX | Sale | 2,000 | 369.16 | 738,314 |
| 2021-09-07 | MKTX | Sale | 2,000 | 462.83 | 925,668 |
| 2021-08-11 | MKTX | Option Ex | 6,433 | 103.30 | 664,528 |
| 2021-08-11 | MKTX | Sale | 6,433 | 465.02 | 2,991,460 |
| 2021-06-14 | MKTX | Sale | 7,000 | 448.76 | 3,141,355 |
| 2021-06-14 | MKTX | Option Ex | 7,000 | 103.30 | 723,100 |
| 2021-06-07 | MKTX | Sale | 4,000 | 445.46 | 1,781,844 |
| 2021-03-05 | MKTX | Sale | 4,000 | 479.84 | 1,919,356 |
| 2020-12-07 | MKTX | Sale | 4,000 | 547.68 | 2,190,704 |
| 2020-10-29 | MKTX | Option Ex | 17,262 | 130.07 | 2,245,354 |
| 2020-10-29 | MKTX | Sale | 17,262 | 554.21 | 9,566,807 |
| 2020-09-09 | MKTX | Sale | 4,000 | 455.96 | 1,823,840 |
| 2020-05-08 | MKTX | Sale | 4,000 | 479.23 | 1,916,904 |
| 2020-02-10 | MKTX | Sale | 4,000 | 342.01 | 1,368,040 |
| 2019-11-08 | MKTX | Sale | 4,000 | 348.73 | 1,394,920 |
| 2019-08-08 | MKTX | Sale | 2,750 | 347.23 | 954,882 |
| 2019-04-26 | MKTX | Sale | 1,489 | 265.61 | 395,494 |
| 2018-08-14 | MKTX | Sale | 12,831 | 186.73 | 2,395,894 |
| 2018-03-09 | MKTX | Sale | 5,400 | 218.36 | 1,179,144 |
| 2017-11-02 | MKTX | Option Ex | 4,000 | 10.93 | 43,720 |
| 2017-11-02 | MKTX | Sale | 4,000 | 176.40 | 705,608 |
| 2017-06-09 | MKTX | Option Ex | 5,596 | 10.93 | 61,164 |
| 2017-06-09 | MKTX | Sale | 5,596 | 201.17 | 1,125,758 |
| 2017-02-09 | MKTX | Option Ex | 10,468 | 10.93 | 114,415 |
| 2017-02-09 | MKTX | Sale | 10,468 | 188.17 | 1,969,805 |
| 2016-08-23 | MKTX | Sale | 5,745 | 165.40 | 950,223 |
| 2016-08-22 | MKTX | Sale | 455 | 165.46 | 75,284 |
| 2016-02-03 | MKTX | Sale | 10,683 | 113.76 | 1,215,308 |
| 2015-02-09 | MKTX | Sale | 4,919 | 80.52 | 396,053 |
| 2015-02-10 | MKTX | Sale | 5,000 | 80.70 | 403,500 |
| 2015-01-14 | MKTX | Option Ex | 25,835 | 11.69 | 302,011 |
| 2014-11-14 | MKTX | Option Ex | 2,538 | 15.60 | 39,592 |
| 2014-08-21 | MKTX | Sale | 11,000 | 57.58 | 633,347 |
| 2013-11-19 | MKTX | Sale | 20,818 | 68.70 | 1,430,300 |
| 2013-11-20 | MKTX | Sale | 6,659 | 68.30 | 454,816 |
| 2013-11-19 | MKTX | Option Ex | 20,818 | 12.96 | 269,801 |
| 2013-11-20 | MKTX | Option Ex | 6,659 | 12.96 | 86,300 |
| 2013-05-16 | MKTX | Sale | 17,000 | 45.89 | 780,062 |
| 2012-12-13 | MKTX | Sale | 41,749 | 32.24 | 1,345,820 |
| 2012-12-13 | MKTX | Option Ex | 41,749 | 13.95 | 582,398 |
| 2012-12-11 | MKTX | Sale | 16,278 | 32.48 | 528,644 |
| 2012-12-12 | MKTX | Option Ex | 16,904 | 13.95 | 235,810 |
| 2012-12-10 | MKTX | Sale | 15,069 | 32.67 | 492,259 |
| 2012-12-11 | MKTX | Option Ex | 16,278 | 13.95 | 227,078 |
| 2012-12-10 | MKTX | Option Ex | 25,069 | 13.95 | 349,712 |
| 2012-12-12 | MKTX | Sale | 16,904 | 32.63 | 551,577 |
| 2012-06-11 | MKTX | Option Ex | 5,083 | 15.60 | 79,294 |
| 2012-06-12 | MKTX | Sale | 32,379 | 30.11 | 975,093 |
| 2012-06-11 | MKTX | Sale | 17,263 | 30.50 | 526,469 |
| 2012-06-12 | MKTX | Option Ex | 32,379 | 15.60 | 505,112 |
| 2011-11-07 | MKTX | Option Ex | 5,605 | 12.96 | 72,640 |
| 2011-11-07 | MKTX | Sale | 21,201 | 28.52 | 604,652 |
| 2011-11-04 | MKTX | Sale | 76,869 | 28.97 | 2,226,894 |
| 2011-11-04 | MKTX | Option Ex | 76,869 | 12.07 | 927,808 |
| 2011-03-07 | MKTX | Sale | 11,000 | 22.05 | 242,550 |
| 2011-03-08 | MKTX | Sale | 19,000 | 22.21 | 421,990 |
| 2010-11-12 | MKTX | Sale | 25,000 | 18.51 | 462,725 |
| 2010-02-24 | MKTX | Sale | 3,838 | 15.38 | 59,047 |
| 2010-02-25 | MKTX | Sale | 11,162 | 15.10 | 168,490 |
| 2008-11-04 | MKTX | Buy | 4,000 | 5.00 | 20,000 |
| 2008-11-03 | MKTX | Buy | 4,000 | 5.50 | 22,000 |
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.