Insider · CIK 0002149900
Boudewijn Duinstra
Files at: CBOE. On EDGAR ↗
Reported trades — common stock
No reported common-stock activity in this period.
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 19, 2026 AForm 4 → | Aug 21, 4:32 pm EDT | Cboe Global Markets, Inc.CBOE | 2,404 | — | — | 1,069 | — |