| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBOE | Common Stock | Gift | $0 | -2,100 | -9.3% | $0.000000 | 20,515 | 12 Dec 2023 | See Footnote | F1 |
| holding | CBOE | Common Stock | 2,671 | 12 Dec 2023 | Direct |
| Id | Content |
|---|---|
| F1 | Shares are held of record by Joseph P. Ratterman and Sandra M. Ratterman, as Trustees of the Joseph P. and Sandra M. Ratterman Trust dated September 15, 2008 or their successors in Trust. Mr. Ratterman disclaims beneficial ownership of the reported securities, except to the extent of his pecuniary interests therein. |