CI
Insider
Christopher A Isaacson
EVP, COOChristopher A Isaacson (EVP, COO) filed 2 Form 4 reports in the past 24 months (0 purchases, 2 sales), most often in Cboe Global Markets, Inc. (CBOE). The largest single filing was $1.2M of CBOE (5,000 sh × $236.66, as filed), executed Sep 2 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
2
0 buys · 2 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$2.3M
shares × price, as filed
Last traded
Sep 2 2025
Filed Sep 4 2025
Median ADV $431.8M across their filed names
Open performance→Volume by month
Buys $0
Sells $2.3M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Financial Services
2 filings
Sector per market data · by filing · past 24 months
Most traded names
CBOERecent filings
CBOESALE
Cboe Global Markets, Inc.
View filing →
$1.2M5,000 sh × $236.66
Exec Sep 2 2025
Filed Sep 4 2025 · 5:30 PM ET CBOESALE Cboe Global Markets, Inc. View filing → $1.1M
5,000 sh × $221.37
Exec Jun 9 2025
Filed Jun 11 2025 · 5:30 PM ET