| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Oct 5, 2021 | Oct 1, 2021 | 000-56224 | |
| 4 | Open Document | Open Filing | Apr 7, 2021 | Apr 6, 2021 | 000-56224 | |
| 4 | Open Document | Open Filing | Mar 9, 2021 | Jan 6, 2021 | 000-56224 | |
| 4 | Open Document | Open Filing | Feb 9, 2021 | Jan 6, 2021 | 000-56224 | |
| 4 | Open Document | Open Filing | Jan 7, 2021 | Jan 6, 2021 | 000-56224 | |
| 3 | Open Document | Open Filing | Jan 4, 2021 | Jan 4, 2021 | 000-56224 |