| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | May 23, 2023 | May 16, 2023 | 000-56155 | |
| 5 | Open Document | Open Filing | Feb 2, 2023 | Dec 31, 2022 | 000-56155 | |
| 4 | Open Document | Open Filing | Feb 22, 2022 | Feb 18, 2022 | 000-56155 | |
| 3 | Open Document | Open Filing | Feb 22, 2022 | Aug 12, 2019 | 000-56155 | |
| 4/A | Open Document | Open Filing | Nov 18, 2021 | Nov 15, 2021 | 000-56155 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 15, 2021 | Nov 15, 2021 | 000-56155 |
| 5 | Open Document | Open Filing | Nov 15, 2021 | Dec 31, 2020 | 000-56155 |