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Insider Trading

Stephen P Casper Net Worth

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Last Updated: 2 weeks, 5 days ago

Stephen P Casper has an estimated net worth of at least $10.2 million*, as of Sept. 24, 2025. They own 53,193 shares of MKTX stock. They have sold 3,100 shares of MKTX stock since 2021, for an estimated $657,674.

Stephen P Casper $MKTX SEC Form 4 Insider Trading

Stephen P Casper has filed a total of 3 insider trades in $MKTX since 2021. Their most recent trade was a sale of 1,600 shares, made on Sep 08, 2025. Their largest trade was a sale of 1,600 shares, made on Sep 08, 2025. We estimate that they now own 53,193 shares of $MKTX, worth an estimated $9.5 million.



Insider Trading at $MKTX

There have been a total of 116 insider trades reported at $MKTX since 2021, with 5,270 shares purchased and 131,607 shares sold. The most active insider traders in $MKTX stock have been Nicholas Themelis, Kevin M Mcpherson, and Richard M Mcvey. The most recent trade was a sale of 1,494 shares reported by Kevin M McPherson (Chief Revenue Officer), made on Sep 12, 2025.



History of Insider Stock Trades by Stephen P Casper

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
MKTX logo MKTX Sale 1,600 Sep 08, 2025 Sept. 9, 2025, 5:15 p.m.
MKTX logo MKTX Sale 1,000 Sep 06, 2024 Sept. 9, 2024, 4:15 p.m.
MKTX logo MKTX Sale 500 Jun 07, 2024 June 11, 2024, 4:15 p.m.




$MKTX Executives and Stock Owners with Insider Trades



*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.