| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | 12 Nov 2021 | 28 Jul 2020 | 001-39413 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 May 2021 | 11 May 2021 | 001-39413 |
| 4 | Open Document | Open Filing | 4 | 31 Jul 2020 | 29 Jul 2020 | 001-39413 |
| 3 | Open Document | Open Filing | 3 | 29 Jul 2020 | 29 Jul 2020 | 001-39413 |