Christopher R. Concannon is CEO at MARKETAXESS HOLDINGS INC (MKTX). They have made 3 open-market trades across 3 companies since 2006, most recently 2026-04-03.
CIK 0001251713
3 open-market purchases totalling $3.1M since 2016, never a sale. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MKTX | BUY | 2023-08-14 | 2023-08-15 | $238.19 | $1.6M | +3.8% | -2.7% | -5.9% |
| CBOE | BUY | 2018-05-30 | 2018-05-31 | $99.44 | $994K | +6.8% | +5.0% | +1.9% |
| BATS | BUY | 2016-04-20 | 2016-04-20 | $19.00 | $475K | +3.5% | +11.8% | +11.9% |
| NDAQ | SELL · 10b5-1 | 2008-09-19 | 2008-09-23 | $35.06 | $149K | -2.1% | -0.6% | -0.6% |
| NDAQ | SELL · 10b5-1 | 2007-07-16 | 2007-07-18 | $31.47 | $157K | -2.1% | -0.6% | -0.6% |
| NDAQ | SELL · 10b5-1 | 2007-06-11 | 2007-06-12 | $32.41 | $162K | -2.1% | -0.6% | -0.6% |
| NDAQ | SELL · 10b5-1 | 2007-05-14 | 2007-05-16 | $31.72 | $159K | -2.1% | -0.6% | -0.6% |
| NDAQ | SELL · 10b5-1 | 2007-04-16 | 2007-04-18 | $31.36 | $157K | -2.1% | -0.6% | -0.6% |
| NDAQ | SELL · 10b5-1 | 2007-01-16 | 2007-01-18 | $35.12 | $351K | -2.1% | -0.6% | -0.6% |
| NDAQ | SELL · 10b5-1 | 2006-12-15 | 2006-12-19 | $35.94 | $359K | -2.1% | -0.6% | -0.6% |
| NDAQ | SELL · 10b5-1 | 2006-11-15 | 2006-11-17 | $37.45 | $375K | -2.1% | -0.6% | -0.6% |
| NDAQ | SELL · 10b5-1 | 2006-10-16 | 2006-10-18 | $34.70 | $347K | -2.1% | -0.6% | -0.6% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.