| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Sep 6, 2022 | Sep 1, 2022 | 000-56132 | |
| 4 | Open Document | Open Filing | Jun 3, 2022 | Jun 1, 2022 | 000-56132 | |
| 4 | Open Document | Open Filing | Mar 3, 2022 | Mar 1, 2022 | 000-56132 | |
| 4 | Open Document | Open Filing | Sep 3, 2021 | Sep 3, 2021 | 000-56132 | |
| 4 | Open Document | Open Filing | Aug 30, 2021 | Aug 27, 2021 | 000-56132 | |
| 4 | Open Document | Open Filing | Jun 3, 2021 | Jun 1, 2021 | 000-56132 | |
| 4 | Open Document | Open Filing | May 4, 2021 | Apr 30, 2021 | 000-56132 | |
| 4 | Open Document | Open Filing | Mar 3, 2021 | Mar 1, 2021 | 000-56132 | |
| 4 | Open Document | Open Filing | Dec 3, 2020 | Dec 1, 2020 | 000-56132 | |
| 4 | Open Document | Open Filing | Sep 2, 2020 | Sep 1, 2020 | 000-56132 | |
| 4 | Open Document | Open Filing | Jun 29, 2020 | Jun 26, 2020 | 000-56132 | |
| 4 | Open Document | Open Filing | May 22, 2020 | May 21, 2020 | 000-56132 | |
| 3 | Open Document | Open Filing | Feb 18, 2020 | Feb 18, 2020 | 000-56132 |