Nicholas Themelis is Chief Information Officer of MARKETAXESS HOLDINGS INC. Currently has a direct ownership of 8,544 shares of MKTX, which is worth approximately $2.46 Million. The most recent transaction as insider was on Mar 07, 2022, when has been sold 2,000 shares (Common Stock, par value $0.003 per share) at a price of $364.99 per share, resulting in proceeds of $729,980. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 8.54K
0% 3M change
0% 12M change
Total Value Held $2.46 Million

Nicholas Themelis Transaction History

Date Transaction Value Shares Traded Shares Held Form
Mar 07 2022
SELL
Open market or private sale
$729,980 $364.99 p/Share
2,000 Reduced 18.97%
8,544 Common Stock, par valu...
Jan 31 2022
SELL
Payment of exercise price or tax liability
$304,176 $344.48 p/Share
883 Reduced 7.73%
10,544 Common Stock, par valu...
Jan 31 2022
BUY
Grant, award, or other acquisition
-
1,840 Added 13.87%
11,427 Common Stock, par valu...
Dec 07 2021
SELL
Open market or private sale
$738,320 $369.16 p/Share
2,000 Reduced 17.26%
9,587 Common Stock, par valu...
Sep 07 2021
SELL
Open market or private sale
$925,660 $462.83 p/Share
2,000 Reduced 14.72%
11,587 Common Stock, par valu...
Aug 11 2021
SELL
Open market or private sale
$2,991,474 $465.02 p/Share
6,433 Reduced 32.13%
13,587 Common Stock, par valu...
Aug 11 2021
BUY
Exercise of conversion of derivative security
$664,529 $103.3 p/Share
6,433 Added 24.32%
20,020 Common Stock, par valu...
Jun 14 2021
SELL
Open market or private sale
$3,141,320 $448.76 p/Share
7,000 Reduced 34.0%
13,587 Common Stock, par valu...
Jun 14 2021
BUY
Exercise of conversion of derivative security
$723,100 $103.3 p/Share
7,000 Added 25.37%
20,587 Common Stock, par valu...
Jun 07 2021
SELL
Open market or private sale
$1,781,840 $445.46 p/Share
4,000 Reduced 22.74%
13,587 Common Stock, par valu...
Mar 05 2021
SELL
Open market or private sale
$1,919,360 $479.84 p/Share
4,000 Reduced 18.53%
17,587 Common Stock, par valu...
Jan 31 2021
SELL
Payment of exercise price or tax liability
$3,340,275 $540.76 p/Share
6,177 Reduced 22.25%
21,587 Common Stock, par valu...
Jan 15 2021
BUY
Grant, award, or other acquisition
-
1,572 Added 5.36%
27,764 Common Stock, par valu...
Dec 07 2020
SELL
Open market or private sale
$2,190,720 $547.68 p/Share
4,000 Reduced 13.25%
26,192 Common Stock, par valu...
Oct 29 2020
SELL
Open market or private sale
$9,566,773 $554.21 p/Share
17,262 Reduced 36.38%
30,192 Common Stock, par valu...
Oct 29 2020
BUY
Exercise of conversion of derivative security
$2,245,441 $130.08 p/Share
17,262 Added 26.67%
47,454 Common Stock, par valu...
NT

Nicholas Themelis

Chief Information Officer
New York, NY

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