| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Jul 2021 | 04 Jul 2021 | 001-39445 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Aug 2020 | 18 Aug 2020 | 001-39445 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Aug 2020 | 13 Aug 2020 | 001-39445 |