Nicholas Themelis, Chief Information Officer at MARKETAXESS HOLDINGS INC (MKTX), sold 2,900 shares at $368.90 ($1.1M) on 2021-12-07, disclosed to the SEC on 2021-12-09.
Open-market sale of $1.1M 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 | $364.28 | 200 | $73K | 6.8% |
| 2 | $366.99 | 100 | $37K | 3.4% |
| 3 | $368.90 | 300 | $111K | 10.3% |
| 4 | $370.57 | 578 | $214K | 19.9% |
| 5 | $370.57 | 578 | $214K | 19.9% |
| 6 | $371.45 | 500 |
| $186K |
| 17.3% |
| 7 | $372.75 | 322 | $120K | 11.2% |
| 8 | $372.75 | 322 | $120K | 11.2% |
| Total | $370.48 avg | 2,900 | $1.1M | 100% |
| Filing → |
| MKTX | SELL | 2021-08-12 | $5.9M | — | Filing → |
| MKTX | SELL | 2021-06-15 | $6.3M | — | Filing → |
| MKTX | SELL | 2021-06-08 | $3.6M | — | Filing → |