| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jun 21, 2021 | Jun 16, 2021 | 001-36191 | |
| 4 | Open Document | Open Filing | Mar 17, 2021 | Mar 15, 2021 | 001-36191 | |
| 4 | Open Document | Open Filing | Feb 9, 2021 | Feb 8, 2021 | 001-36191 | |
| 4 | Open Document | Open Filing | Dec 4, 2020 | Dec 3, 2020 | 001-36191 | |
| 3 | Open Document | Open Filing | Apr 9, 2020 | Apr 7, 2020 | 001-36191 |