Nicholas Themelis serves as Executive at MARKETAXESS HOLDINGS INC, where they oversee executive responsibilities. Since joining the company, Nicholas Themelis has executed 249 insider transactions totaling $52.2M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 25, 2017 involved receiving (via award) 1,833 shares valued at $0.
Nicholas Themelis currently holds 8,682 shares of MARKETAXESS HOLDINGS INC (MKTX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Nicholas Themelis has been a net seller of MKTX stock. They have purchased $42.0K and sold $52.1M worth of shares.
Nicholas Themelis's most recent insider trade was on Jan 25, 2017, when they sold 1,833 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Aug 23, 2016 | MKTX | $950.2K | Sale | 5,745 | $165.40 | Discretionary |
| Aug 22, 2016 | MKTX | $75.3K | Sale | 455 | $165.46 | Discretionary |
| May 4, 2016 | MKTX | $0 | Gift | 825 | $N/A | Discretionary |
| Apr 29, 2016 | MKTX | $0 | Gift | 102 | $N/A | Discretionary |
| Feb 3, 2016 | MKTX | $625.6K | Sale | 5,500 | $113.75 | Discretionary |
| Feb 3, 2016 | MKTX | $589.7K | Sale | 5,183 | $113.77 | Discretionary |
| Jan 31, 2016 | MKTX | $110.9K | Payment | 954 | $116.23 | Discretionary |
| Jan 31, 2016 | MKTX | $159.8K | Payment | 1,375 | $116.23 | Discretionary |
| Jan 31, 2016 | MKTX | $169.0K | Payment | 1,454 | $116.23 | Discretionary |
| Jan 29, 2016 | MKTX | $0 | Award | 5,900 | $N/A | Discretionary |
| Jan 22, 2016 | MKTX | $0 | Award | 8,666 | $N/A | Discretionary |
| Jan 15, 2016 | MKTX | $222.2K | Payment | 2,183 | $101.77 | Discretionary |
| Jan 15, 2016 | MKTX | $0 | Award | 2,446 | $N/A | Discretionary |
| Jan 15, 2016 | MKTX | $195.8K | Payment | 1,924 | $101.77 | Discretionary |
| Jul 14, 2015 | MKTX | $0 | Gift | 250 | $N/A | Discretionary |
| Feb 20, 2015 | MKTX | $0 | Award | 3,696 | $N/A | Discretionary |
| Feb 10, 2015 | MKTX | $403.5K | Sale | 5,000 | $80.70 | Discretionary |
| Feb 9, 2015 | MKTX | $233.6K | Sale | 2,919 | $80.03 | Discretionary |
| Feb 9, 2015 | MKTX | $162.0K | Sale | 2,000 | $81.00 | Discretionary |
| Jan 31, 2015 | MKTX | $107.6K | Payment | 1,416 | $75.97 | Discretionary |
| Jan 15, 2015 | MKTX | $0 | Award | 8,290 | $N/A | Discretionary |
| Jan 15, 2015 | MKTX | $10.1K | Payment | 143 | $70.60 | Discretionary |
| Jan 15, 2015 | MKTX | $125.7K | Payment | 1,781 | $70.60 | Discretionary |
| Jan 15, 2015 | MKTX | $154.1K | Payment | 2,183 | $70.60 | Discretionary |
| Jan 15, 2015 | MKTX | $95.9K | Payment | 1,358 | $70.60 | Discretionary |
| Jan 15, 2015 | MKTX | $128.4K | Payment | 1,818 | $70.60 | Discretionary |
| Jan 14, 2015 | MKTX | $18.2K | Option Exercise | 1,403 | $12.96 | Discretionary |
| Jan 14, 2015 | MKTX | $96.7K | Option Exercise | 8,646 | $11.18 | Discretionary |