Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2022-03-07 Sale |
2022-03-09 4:15 pm |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
2,000 | $364.89 | $729,777 | 8,544 (Direct) |
View |
2021-12-07 Sale |
2021-12-09 4:30 pm |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
2,000 | $370.08 | $740,165 | 9,587 (Direct) |
View |
2021-09-07 Sale |
2021-09-09 4:15 pm |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
2,000 | $461.54 | $923,075 | 11,587 (Direct) |
View |
2021-08-11 Sale |
2021-08-12 4:39 pm |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
6,433 | $462.7 | $2,976,555 | 13,587 (Direct) |
View |
2021-06-14 Sale |
2021-06-15 4:45 pm |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
7,000 | $448.64 | $3,140,470 | 20,020 (Direct) |
View |
2021-06-07 Sale |
2021-06-08 4:30 pm |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
4,000 | $445 | $1,780,002 | 13,587 (Direct) |
View |
2021-03-05 Sale |
2021-03-08 4:30 pm |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
4,000 | $478.01 | $1,912,042 | 17,587 (Direct) |
View |
2020-12-07 Sale |
2020-12-09 4:35 pm |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
4,000 | $546.49 | $2,185,965 | 26,192 (Direct) |
View |
2020-10-29 Sale |
2020-10-30 4:30 pm |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
17,262 | $554.71 | $9,575,408 | 43,625 (Direct) |
View |
2020-09-09 Sale |
2020-09-10 4:31 pm |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
4,000 | $456.91 | $1,827,657 | 30,192 (Direct) |
View |
2020-05-08 Sale |
2020-05-12 4:09 pm |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
4,000 | $479.66 | $1,918,636 | 34,192 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2022-01-31 Option Award |
2022-02-02 4:15 pm |
N/A N/A |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
1,840 | $0 | 10,544 (Direct) |
View |
2022-01-31 Tax Withholding |
2022-02-02 4:15 pm |
N/A N/A |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
883 | $344.48 | 10,544 (Direct) |
View |
2021-08-11 Exercise |
2021-08-12 4:39 pm |
N/A N/A |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
6,433 | $103.3 | 13,587 (Direct) |
View |
2021-08-11 Exercise |
2021-08-12 4:39 pm |
N/A 2022-01-31 |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
6,433 | $0 | 13,587 (Direct) |
View |
2021-06-14 Exercise |
2021-06-15 4:45 pm |
N/A N/A |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
7,000 | $103.3 | 20,020 (Direct) |
View |
2021-06-14 Exercise |
2021-06-15 4:45 pm |
N/A 2022-01-31 |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
7,000 | $0 | 20,020 (Direct) |
View |
2021-01-31 Tax Withholding |
2021-02-02 4:51 pm |
N/A N/A |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
6,177 | $540.76 | 21,587 (Direct) |
View |
2021-01-15 Option Award |
2021-01-20 5:44 pm |
N/A N/A |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
1,572 | $0 | 27,764 (Direct) |
View |
2020-10-29 Exercise |
2020-10-30 4:30 pm |
N/A N/A |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
3,830 | $156.85 | 43,625 (Direct) |
View |
2020-10-29 Exercise |
2020-10-30 4:30 pm |
N/A N/A |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
13,432 | $103.3 | 43,625 (Direct) |
View |
2020-10-29 Exercise |
2020-10-30 4:30 pm |
N/A 2022-01-31 |
MARKETAXESS HOLDINGS INC | MKTX | Themelis Nicholas Chief Information Officer |
17,262 | $0 | 43,625 (Direct) |
View |