| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 19 May 2022 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 25 Jun 2021 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 23 Jun 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2021 | 09 Jun 2021 | 001-37495 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 17 Sep 2020 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 24 Apr 2020 | ||
| 3 | Open Document | Open Filing | FORM 3 | 24 Apr 2020 | 14 Apr 2020 | 001-37495 |
| SC 13D | Open Document | Open Filing | SC 13D | 10 May 2019 |