| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | May 19, 2022 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | Jun 25, 2021 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | Jun 23, 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 | Jun 11, 2021 | Jun 9, 2021 | 001-37495 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | Sep 17, 2020 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | Apr 24, 2020 | ||
| 3 | Open Document | Open Filing | FORM 3 | Apr 24, 2020 | Apr 14, 2020 | 001-37495 |
| SC 13D | Open Document | Open Filing | SC 13D | May 10, 2019 |