| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Feb 2022 | 16 Feb 2022 | 001-39541 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Sep 2021 | 17 Sep 2021 | 001-39541 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Jul 2021 | 13 Jul 2021 | 001-39541 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Jul 2021 | 13 Jul 2021 | 001-39541 |