| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 15 Jun 2022 | 13 Jun 2022 | 001-15911 |
| 4 | Open Document | Open Filing | CK | 07 Mar 2022 | 04 Mar 2022 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Dec 2021 | 14 Dec 2021 | 001-15911 |
| 3 | Open Document | Open Filing | FORM 3 | 16 Dec 2021 | 14 Dec 2021 | 001-15911 |