Nicholas Themelis - Jun 14, 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
Jun 14, 2021
Transactions value $
-$2,417,370
Form type
4
Date filed
6/15/2021, 04:45 PM
Previous filing
Jun 8, 2021
Next filing
Aug 12, 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 Options Exercise $723K +7K +51.52% $103.30 20.6K Jun 14, 2021 Direct
transaction MKTX Common Stock, par value $0.003 per share Sale -$2.11M -4.71K -22.89% $448.40 15.9K Jun 14, 2021 Direct F1
transaction MKTX Common Stock, par value $0.003 per share Sale -$1.03M -2.29K -14.41% $449.13 13.6K Jun 14, 2021 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MKTX Stock Option (right to buy) Options Exercise $0 -7K -52.11% $0.00 6.43K Jun 14, 2021 Common Stock 7K $103.30 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The transactions were executed in multiple trades at prices ranging from $447.89 to $448.86. 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.
F2 The transactions were executed in multiple trades at prices ranging from $448.97 to $449.52. 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 stock options were fully exercisable.