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 15, 2013 involved selling 16,293 shares valued at $586.2K.
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 15, 2013, when they sold 16,293 shares at $35.98 per share.
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| $32.24 |
| Discretionary |
| Dec 13, 2012 | MKTX | $582.4K | Option Exercise | 41,749 | $13.95 | Discretionary |
| Dec 12, 2012 | MKTX | $551.6K | Sale | 16,904 | $32.63 | Discretionary |
| Dec 12, 2012 | MKTX | $235.8K | Option Exercise | 16,904 | $13.95 | Discretionary |
| Dec 11, 2012 | MKTX | $227.1K | Option Exercise | 16,278 | $13.95 | Discretionary |
| Dec 11, 2012 | MKTX | $528.7K | Sale | 16,278 | $32.48 | Discretionary |
| Dec 10, 2012 | MKTX | $349.7K | Option Exercise | 25,069 | $13.95 | Discretionary |
| Dec 10, 2012 | MKTX | $492.3K | Sale | 15,069 | $32.67 | Discretionary |
| Jun 12, 2012 | MKTX | $505.1K | Option Exercise | 32,379 | $15.60 | Discretionary |
| Jun 12, 2012 | MKTX | $975.3K | Sale | 32,379 | $30.12 | Discretionary |
| Jun 11, 2012 | MKTX | $526.5K | Sale | 17,263 | $30.50 | Discretionary |
| Jun 11, 2012 | MKTX | $79.3K | Option Exercise | 5,083 | $15.60 | Discretionary |
| Feb 3, 2012 | MKTX | $0 | Award | 11,613 | $N/A | Discretionary |
| Jan 15, 2012 | MKTX | $768.5K | Payment | 25,082 | $30.64 | Discretionary |
| Jan 13, 2012 | MKTX | $0 | Award | 10,569 | $N/A | Discretionary |
| Nov 7, 2011 | MKTX | $440.7K | Sale | 15,596 | $28.26 | Discretionary |
| Nov 7, 2011 | MKTX | $161.3K | Sale | 5,605 | $28.78 | Discretionary |
| Nov 7, 2011 | MKTX | $72.6K | Option Exercise | 5,605 | $12.96 | Discretionary |
| Nov 4, 2011 | MKTX | $525.1K | Option Exercise | 40,515 | $12.96 | Discretionary |
| Nov 4, 2011 | MKTX | $145.9K | Sale | 4,961 | $29.40 | Discretionary |
| Nov 4, 2011 | MKTX | $2.1M | Sale | 71,908 | $28.54 | Discretionary |
| Nov 4, 2011 | MKTX | $406.4K | Option Exercise | 36,354 | $11.18 | Discretionary |
| Mar 8, 2011 | MKTX | $422.0K | Sale | 19,000 | $22.21 | Discretionary |
| Mar 7, 2011 | MKTX | $242.6K | Sale | 11,000 | $22.05 | Discretionary |
| Feb 18, 2011 | MKTX | $0 | Award | 11,541 | $N/A | Discretionary |
| Feb 1, 2011 | MKTX | $46.1K | Payment | 2,249 | $20.52 | Discretionary |
| Jan 14, 2011 | MKTX | $0 | Award | 18,689 | $N/A | Discretionary |
| Jan 14, 2011 | MKTX | $378.5K | Payment | 17,529 | $21.59 | Discretionary |
| Nov 12, 2010 | MKTX | $462.8K | Sale | 25,000 | $18.51 | Discretionary |