Antonio L. Delise - Aug 10, 2021 Form 4 Insider Report for MARKETAXESS HOLDINGS INC (MKTX)

Role
Global Head of Corp. Dev.
Signature
/s/ Jason Edelstein, as Attorney-in-Fact for Antonio L. DeLise
Stock symbol
MKTX
Transactions as of
Aug 10, 2021
Transactions value $
-$1,654,529
Form type
4
Date filed
8/12/2021, 04:37 PM
Previous filing
May 27, 2021
Next filing
Aug 17, 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 $319K +3.09K +10.81% $103.30 31.7K Aug 10, 2021 Direct
transaction MKTX Common Stock, par value $0.003 per share Options Exercise $243K +1.55K +4.88% $156.85 33.2K Aug 10, 2021 Direct
transaction MKTX Common Stock, par value $0.003 per share Sale -$166K -350 -1.05% $475.34 32.9K Aug 10, 2021 Direct F1
transaction MKTX Common Stock, par value $0.003 per share Sale -$734K -1.54K -4.68% $476.47 31.3K Aug 10, 2021 Direct F2
transaction MKTX Common Stock, par value $0.003 per share Sale -$764K -1.6K -5.1% $477.65 29.7K Aug 10, 2021 Direct F3
transaction MKTX Common Stock, par value $0.003 per share Sale -$311K -650 -2.18% $478.87 29.1K Aug 10, 2021 Direct F4
transaction MKTX Common Stock, par value $0.003 per share Sale -$72.2K -150 -0.52% $481.13 28.9K Aug 10, 2021 Direct
transaction MKTX Common Stock, par value $0.003 per share Sale -$169K -350 -1.21% $483.57 28.6K Aug 10, 2021 Direct F5

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 -3.09K -100% $0.00* 0 Aug 10, 2021 Common Stock 3.09K $103.30 Direct F6
transaction MKTX Stock Option (right to buy) Options Exercise $0 -1.55K -100% $0.00* 0 Aug 10, 2021 Common Stock 1.55K $156.85 Direct F6
* 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 $475.20 to $476.17. 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 $476.23 to $477.16. 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 $477.39 to $478.05. 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 $478.50 to $479.47. 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.
F5 The transactions were executed in multiple trades at prices ranging from $483.11 to $483.81. 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 stock options were fully exercisable