Nicholas Themelis - 07 Mar 2022 Form 4 Insider Report for MARKETAXESS HOLDINGS INC (MKTX)

Signature
/s/ Jason Edelstein, as Attorney-in-Fact for Nicholas Themelis
Issuer symbol
MKTX
Transactions as of
07 Mar 2022
Net transactions value
-$729,777
Form type
4
Filing time
09 Mar 2022, 15:15:14 UTC
Previous filing
02 Feb 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 $151,868 -424 -4% $358.18 10,120 07 Mar 2022 Direct F1, F2
transaction MKTX Common Stock, par value $0.003 per share Sale $35,200 -98 -0.97% $359.18 10,022 07 Mar 2022 Direct F1, F3
transaction MKTX Common Stock, par value $0.003 per share Sale $39,350 -109 -1.1% $361.01 9,913 07 Mar 2022 Direct F1, F4
transaction MKTX Common Stock, par value $0.003 per share Sale $76,725 -212 -2.1% $361.91 9,701 07 Mar 2022 Direct F1, F5
transaction MKTX Common Stock, par value $0.003 per share Sale $2,921 -8 -0.08% $365.16 9,693 07 Mar 2022 Direct F1, F6
transaction MKTX Common Stock, par value $0.003 per share Sale $73,278 -200 -2.1% $366.39 9,493 07 Mar 2022 Direct F1, F7
transaction MKTX Common Stock, par value $0.003 per share Sale $115,737 -315 -3.3% $367.42 9,178 07 Mar 2022 Direct F1, F8
transaction MKTX Common Stock, par value $0.003 per share Sale $63,077 -171 -1.9% $368.87 9,007 07 Mar 2022 Direct F1, F9
transaction MKTX Common Stock, par value $0.003 per share Sale $120,370 -325 -3.6% $370.37 8,682 07 Mar 2022 Direct F1, F10
transaction MKTX Common Stock, par value $0.003 per share Sale $51,250 -138 -1.6% $371.38 8,544 07 Mar 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.