| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 16 Jun 2021 | 15 Jun 2021 | 001-35850 | |
| 4 | Open Document | Open Filing | 08 Jun 2021 | 07 Jun 2021 | 001-35850 | |
| 4 | Open Document | Open Filing | 19 May 2021 | 18 May 2021 | 001-35850 | |
| 4 | Open Document | Open Filing | 17 May 2021 | 14 May 2021 | 001-35850 | |
| 4 | Open Document | Open Filing | 15 Apr 2021 | 14 Apr 2021 | 001-35850 | |
| 4 | Open Document | Open Filing | 16 Mar 2021 | 15 Mar 2021 | 001-35850 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Mar 2021 | 09 Mar 2021 | 001-35850 |
| 4 | Open Document | Open Filing | 05 Mar 2021 | 04 Mar 2021 | 001-35850 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Sep 2020 | 24 Sep 2020 | 001-35850 |
| 4 | Open Document | Open Filing | 23 Jul 2020 | 20 Jul 2020 | 001-35850 | |
| 4 | Open Document | Open Filing | 30 Jun 2020 | 11 Nov 2019 | 001-35850 | |
| 3 | Open Document | Open Filing | 30 Jun 2020 | 08 Nov 2019 | 001-35850 | |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 29 Jun 2020 |