| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Sep 7, 2021 | Sep 2, 2021 | 001-39799 | |
| 4 | Open Document | Open Filing | Jun 15, 2021 | Jun 11, 2021 | 001-39799 | |
| 4/A | Open Document | Open Filing | Jun 15, 2021 | Apr 1, 2021 | 001-39799 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 9, 2021 | Apr 1, 2021 | 001-39799 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 11, 2020 | Dec 11, 2020 | 001-39799 |