SC
Insider
Stephen P Casper
DirectorStephen P Casper (Director) filed 1 Form 4 report in the past 24 months (0 purchases, 1 sale), most often in MarketAxess Holdings Inc. (MKTX). The largest single filing was $299K of MKTX (1,600 sh × $186.59, as filed), executed Sep 8 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
1
0 buys · 1 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$299K
shares × price, as filed
Last traded
Sep 8 2025
Filed Sep 9 2025
Median ADV $169.5M across their filed names
Open performance→Volume by month
Buys $0
Sells $299K
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Financial Services
1 filing
Sector per market data · by filing · past 24 months
Most traded names
MKTXRecent filings
MKTXSALE
MarketAxess Holdings Inc.
View filing →
$299K1,600 sh × $186.59
Exec Sep 8 2025
Filed Sep 9 2025 · 5:30 PM ET MKTXSALE MarketAxess Holdings Inc. View filing → $259K
1,000 sh × $259.39
Exec Sep 6 2024
Filed Sep 9 2024 · 5:30 PM ET