Form4insider filings, from the source

Insider · CIK 0001493848

Janet P Froetscher

Files at: CBOE. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $261k · 1net −$261k
$10k$10k$100k$100k$1M$1MbuyssalesSep 2024Jan 2025May 2025Sep 2025Jan 2026May 2026Sep 2026

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 12, 2026 SForm 4 →Aug 14, 4:39 pm EDTCboe Global Markets, Inc.CBOE937$278.95$261,37612,870−6.79%10b5-1

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.