| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Aug 2021 | 16 Aug 2021 | 001-38713 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Feb 2021 | 19 Feb 2021 | 001-38713 |
| 4 | Open Document | Open Filing | 4 | 16 Feb 2021 | 12 Feb 2021 | 001-38713 |
| 4 | Open Document | Open Filing | 4 | 19 Feb 2020 | 14 Feb 2020 | 001-38713 |
| 3 | Open Document | Open Filing | 3 | 08 Jan 2020 | 06 Jan 2020 | 001-38713 |