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 Mar 5, 2021 involved selling 103 shares valued at $49.5K.
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 Mar 5, 2021, when they sold 103 shares at $481.01 per share.
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| $479.78 |
| Discretionary |
| Mar 5, 2021 | MKTX | $145.1K | Sale | 300 | $483.63 | Discretionary |
| Mar 5, 2021 | MKTX | $146.4K | Sale | 300 | $488.10 | Discretionary |
| Mar 5, 2021 | MKTX | $427.1K | Sale | 900 | $474.60 | Discretionary |
| Mar 5, 2021 | MKTX | $574.5K | Sale | 1,206 | $476.36 | Discretionary |
| Mar 5, 2021 | MKTX | $304.8K | Sale | 639 | $477.04 | Discretionary |
| Mar 5, 2021 | MKTX | $95.6K | Sale | 200 | $478.19 | Discretionary |
| Jan 31, 2021 | MKTX | $123.3K | Payment | 228 | $540.76 | Discretionary |
| Jan 31, 2021 | MKTX | $5.9K | Payment | 11 | $540.76 | Discretionary |
| Jan 31, 2021 | MKTX | $79.5K | Payment | 147 | $540.76 | Discretionary |
| Jan 31, 2021 | MKTX | $122.2K | Payment | 226 | $540.76 | Discretionary |
| Jan 31, 2021 | MKTX | $93.6K | Payment | 173 | $540.76 | Discretionary |
| Jan 31, 2021 | MKTX | $1.5M | Payment | 2,830 | $540.76 | Discretionary |
| Jan 31, 2021 | MKTX | $30.3K | Payment | 56 | $540.76 | Discretionary |
| Jan 31, 2021 | MKTX | $84.9K | Payment | 157 | $540.76 | Discretionary |
| Jan 31, 2021 | MKTX | $1.1M | Payment | 2,122 | $540.76 | Discretionary |
| Jan 31, 2021 | MKTX | $122.8K | Payment | 227 | $540.76 | Discretionary |
| Jan 15, 2021 | MKTX | $0 | Award | 1,572 | $N/A | Discretionary |
| Dec 7, 2020 | MKTX | $166.6K | Sale | 305 | $546.31 | Discretionary |
| Dec 7, 2020 | MKTX | $798.1K | Sale | 1,464 | $545.14 | Discretionary |
| Dec 7, 2020 | MKTX | $288.9K | Sale | 531 | $544.04 | Discretionary |
| Dec 7, 2020 | MKTX | $290.1K | Sale | 530 | $547.34 | Discretionary |
| Dec 7, 2020 | MKTX | $382.1K | Sale | 697 | $548.21 | Discretionary |
| Dec 7, 2020 | MKTX | $225.3K | Sale | 410 | $549.59 | Discretionary |
| Dec 7, 2020 | MKTX | $34.8K | Sale | 63 | $553.10 | Discretionary |
| Oct 29, 2020 | MKTX | $600.7K | Option Exercise | 3,830 | $156.85 | Discretionary |
| Oct 29, 2020 | MKTX | $1.4M | Option Exercise | 13,432 | $103.30 | Discretionary |
| Oct 29, 2020 | MKTX | $3.1M | Sale | 5,598 | $557.81 | Discretionary |
| Oct 29, 2020 | MKTX | $110.3K | Sale | 200 | $551.27 | Discretionary |