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Stephen P. Casper currently holds 43,208 shares of MARKETAXESS HOLDINGS INC (MKTX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Stephen P. Casper has been a net seller of MKTX stock. They have purchased $3.8K and sold $3.8M worth of shares.
Stephen P. Casper's most recent insider trade was on Sep 8, 2025, when they sold 1,600 shares at $186.59 per share.
Stephen P. Casper serves as Executive at MARKETAXESS HOLDINGS INC (MKTX). They have executed 53 insider transactions totaling $3.8M over their tenure at the company.
Stephen P. Casper holds the position of Executive at MARKETAXESS HOLDINGS INC, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 20 years and currently hold a stake valued at $0.
Stephen P. Casper has shown a selling trading pattern, with $3.8K in total purchases and $3.8M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Stephen P. Casper was on May 5, 2020, when they sold $671.8K worth of MKTX shares. This transaction involved 1,400 shares at $479.86 per share.
Stephen P. Casper currently owns 43,208 shares of MARKETAXESS HOLDINGS INC (MKTX), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Stephen P. Casper's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Stephen P. Casper has 53 Form 4 filings on record as an insider at MARKETAXESS HOLDINGS INC.
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