Nicholas Themelis - Sep 7, 2021 Form 4 Insider Report for MARKETAXESS HOLDINGS INC (MKTX)

Role
Chief Information Officer
Signature
/s/ Jason Edelstein, as Attorney-in-Fact for Nicholas Themelis
Stock symbol
MKTX
Transactions as of
Sep 7, 2021
Transactions value $
-$923,075
Form type
4
Date filed
9/9/2021, 04:15 PM
Previous filing
Aug 12, 2021
Next filing
Dec 9, 2021

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 -$45.7K -100 -0.74% $456.85 13.5K Sep 7, 2021 Direct F1
transaction MKTX Common Stock, par value $0.003 per share Sale -$367K -800 -5.93% $458.58 12.7K Sep 7, 2021 Direct F1, F2
transaction MKTX Common Stock, par value $0.003 per share Sale -$230K -500 -3.94% $460.36 12.2K Sep 7, 2021 Direct F1, F3
transaction MKTX Common Stock, par value $0.003 per share Sale -$46.1K -100 -0.82% $461.31 12.1K Sep 7, 2021 Direct F1
transaction MKTX Common Stock, par value $0.003 per share Sale -$46.3K -100 -0.83% $463.33 12K Sep 7, 2021 Direct F1
transaction MKTX Common Stock, par value $0.003 per share Sale -$93.2K -200 -1.67% $466.01 11.8K Sep 7, 2021 Direct F1
transaction MKTX Common Stock, par value $0.003 per share Sale -$94.7K -200 -1.7% $473.40 11.6K Sep 7, 2021 Direct F1
* 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 $458.00 to $458.93. 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 $460.00 to $460.82. 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.