Nicholas Themelis, Chief Information Officer at MARKETAXESS HOLDINGS INC (MKTX), sold 8,000 shares at $446.42 ($3.6M) on 2021-06-07, disclosed to the SEC on 2021-06-08.
Open-market sale of $3.6M MKTX by Chief Information Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $442.52 | 385 | $170K | 4.8% |
| 2 | $442.52 | 385 | $170K | 4.8% |
| 3 | $443.40 | 1,043 | $462K | 13.0% |
| 4 | $443.40 | 1,043 | $462K | 13.0% |
| 5 | $444.34 | 864 | $384K | 10.8% |
| 6 | $444.34 | 864 |
| $384K |
| 10.8% |
| 7 | $445.57 | 441 | $196K | 5.5% |
| 8 | $445.57 | 441 | $196K | 5.5% |
| 9 | $446.42 | 488 | $218K | 6.1% |
| 10 | $446.42 | 488 | $218K | 6.1% |
| 11 | $447.47 | 464 | $208K | 5.8% |
| 12 | $447.47 | 464 | $208K | 5.8% |
| 13 | $448.51 | 315 | $141K | 4.0% |
| 14 | $448.51 | 315 | $141K | 4.0% |
| Total | $445.00 avg | 8,000 | $3.6M | 100% |
| Filing → |
| MKTX | SELL | 2021-09-09 | $923K | — | Filing → |
| MKTX | SELL | 2021-08-12 | $5.9M | — | Filing → |
| MKTX | SELL | 2021-06-15 | $6.3M | — | Filing → |