| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 22 Nov 2021 | 18 Nov 2021 | 000-56128 | |
| 4 | Open Document | Open Filing | 07 Jun 2021 | 03 Jun 2021 | 001-39418 | |
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | 26 Oct 2020 | ||
| 4 | Open Document | Open Filing | 26 Oct 2020 | 23 Oct 2020 | 001-39418 | |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 10 Sep 2020 | ||
| 3 | Open Document | Open Filing | 03 Sep 2020 | 31 Aug 2020 | 000-56128 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Jul 2020 | 30 Jul 2020 | 001-39418 |