| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For CBOE | |||||
| 2026-07-01 | Tomczyk, Fredric J | Director | Sold | 337 | $247.72 |
| 2026-05-19 | Wilkinson, Allen | SVP, CHIEF ACCOUNTING OFFICER | Purchased | 166 | $0.00 |
| 2026-05-18 | Froetscher, Janet P | Director | Sold | 1223 | $358.09 |
| 2026-05-14 | Fong, Ivan K | Director | Purchased | 530 | $0.00 |
| 2026-05-14 | Froetscher, Janet P | Director | Purchased | 530 | $0.00 |
| 2026-05-14 | Farrow, William M Iii | Director | Purchased | 530 | $0.00 |
| 2026-05-14 | Mansfield, Erin | Director | Purchased | 530 | $0.00 |
| 2026-05-14 | Mcpeek, Jennifer J | Director | Purchased | 530 | $0.00 |
| 2026-05-14 | Parisi, James E. | Director | Purchased | 530 | $0.00 |
| 2026-05-14 | Palmore, Roderick A | Director | Purchased | 530 | $0.00 |
| 2026-05-14 | Fitzpatrick, Edward J. | Director | Purchased | 530 | $0.00 |
| 2026-05-14 | Goodman, Jill R | Director | Purchased | 530 | $0.00 |
| 2026-05-14 | Mao, Cecilia | Director | Purchased | 530 | $0.00 |
| 2026-05-14 | Tomczyk, Fredric J | Director | Purchased | 530 | $0.00 |
| 2026-02-23 | Wilkinson, Allen | SVP, CHIEF ACCOUNTING OFFICER | Sold | 248 | $292.79 |
| 2026-02-19 | Sexton, John P | EVP, GC AND CORP SEC | Sold | 902 | $0.00 |
| 2026-02-19 | Sexton, John P | EVP, GC AND CORP SEC | Sold | 976 | $0.00 |
| 2026-02-19 | Sexton, John P | EVP, GC AND CORP SEC | Sold | 390 | $286.17 |
| 2026-02-19 | Sexton, John P | EVP, GC AND CORP SEC | Purchased | 880 | $286.17 |
| 2026-02-19 | Sexton, John P | EVP, GC AND CORP SEC | Sold | 400 | $286.17 |