3 Form 4 filings for CBOE between 2026-08-14 and 2026-08-21, from 3 filers. 3 discretionary (1 sales, 0 purchases). None state a filing-level total — that aggregate began on 2026-08-17 — so each row below shows only its largest transaction.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-08-21 | Fischer Heidi (EVP, Equities and Spot Markets at Cboe Global Markets, Inc.) filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 2026-08-21 | Duinstra Boudewijn (EVP, CHIEF RISK OFFICER at Cboe Global Markets, Inc.) filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 2026-08-14 | Froetscher Janet P | sold | 937 | $278.95 | — | — | |
| 3 filings · 3 filers · disclosed totals only | $0 (0/3) | — | |||||