Nicholas Themelis - Mar 7, 2022 Form 4 Insider Report for MARKETAXESS HOLDINGS INC (MKTX)

Signature
/s/ Jason Edelstein, as Attorney-in-Fact for Nicholas Themelis
Stock symbol
MKTX
Transactions as of
Mar 7, 2022
Transactions value $
-$729,777
Form type
4
Date filed
3/9/2022, 03:15 PM
Previous filing
Feb 2, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MKTX Common Stock, par value $0.003 per share Sale -$152K -424 -4.02% $358.18 10.1K Mar 7, 2022 Direct F1, F2
transaction MKTX Common Stock, par value $0.003 per share Sale -$35.2K -98 -0.97% $359.18 10K Mar 7, 2022 Direct F1, F3
transaction MKTX Common Stock, par value $0.003 per share Sale -$39.4K -109 -1.09% $361.01 9.91K Mar 7, 2022 Direct F1, F4
transaction MKTX Common Stock, par value $0.003 per share Sale -$76.7K -212 -2.14% $361.91 9.7K Mar 7, 2022 Direct F1, F5
transaction MKTX Common Stock, par value $0.003 per share Sale -$2.92K -8 -0.08% $365.16 9.69K Mar 7, 2022 Direct F1, F6
transaction MKTX Common Stock, par value $0.003 per share Sale -$73.3K -200 -2.06% $366.39 9.49K Mar 7, 2022 Direct F1, F7
transaction MKTX Common Stock, par value $0.003 per share Sale -$116K -315 -3.32% $367.42 9.18K Mar 7, 2022 Direct F1, F8
transaction MKTX Common Stock, par value $0.003 per share Sale -$63.1K -171 -1.86% $368.87 9.01K Mar 7, 2022 Direct F1, F9
transaction MKTX Common Stock, par value $0.003 per share Sale -$120K -325 -3.61% $370.37 8.68K Mar 7, 2022 Direct F1, F10
transaction MKTX Common Stock, par value $0.003 per share Sale -$51.3K -138 -1.59% $371.38 8.54K Mar 7, 2022 Direct F1, F11
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
F2 The transactions were executed in multiple trades at prices ranging from $357.90 to $358.70. The price above reflects the weighted average sales price. Detailed information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, the Issuer or a security holder of the Issuer.
F3 The transactions were executed in multiple trades at prices ranging from $358.98 to $359.47. The price above reflects the weighted average sales price. Detailed information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, the Issuer or a security holder of the Issuer.
F4 The transactions were executed in multiple trades at prices ranging from $360.74 to $361.21. The price above reflects the weighted average sales price. Detailed information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, the Issuer or a security holder of the Issuer.
F5 The transactions were executed in multiple trades at prices ranging from $361.84 to $362.04. The price above reflects the weighted average sales price. Detailed information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, the Issuer or a security holder of the Issuer.
F6 The transactions were executed in multiple trades at prices ranging from $365.05 to $365.18. The price above reflects the weighted average sales price. Detailed information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, the Issuer or a security holder of the Issuer.
F7 The transactions were executed in multiple trades at prices ranging from $366.15 to $366.63. The price above reflects the weighted average sales price. Detailed information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, the Issuer or a security holder of the Issuer.
F8 The transactions were executed in multiple trades at prices ranging from $367.27 to $367.79. The price above reflects the weighted average sales price. Detailed information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, the Issuer or a security holder of the Issuer.
F9 The transactions were executed in multiple trades at prices ranging from $368.45 to $369.29. The price above reflects the weighted average sales price. Detailed information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, the Issuer or a security holder of the Issuer.
F10 The transactions were executed in multiple trades at prices ranging from $369.94 to $370.72. The price above reflects the weighted average sales price. Detailed information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, the Issuer or a security holder of the Issuer.
F11 The transactions were executed in multiple trades at prices ranging from $371.03 to $371.57. The price above reflects the weighted average sales price. Detailed information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, the Issuer or a security holder of the Issuer.