| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 20, 2022 | May 19, 2022 | 001-39708 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 10, 2022 | May 6, 2022 | 001-39708 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 6, 2021 | Jul 30, 2021 | 001-39708 |