| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 14, 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 22, 2021 | Jun 18, 2021 | 001-39781 |
| SC 13G | Open Document | Open Filing | SC 13G | Feb 9, 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 17, 2020 | Dec 15, 2020 | 001-39781 |
| 3/A | Open Document | Open Filing | FORM 3/A SUBMISSION | Dec 17, 2020 | Dec 11, 2020 | 001-39781 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Dec 11, 2020 | Dec 11, 2020 | 001-39781 |
| D/A | Open Document | Open Filing | May 14, 2019 | 021-310630 | ||
| D | Open Document | Open Filing | Apr 19, 2018 | 021-310630 |