| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jul 8, 2022 | Jul 6, 2022 | 001-10948 | |
| 4 | Open Document | Open Filing | Apr 26, 2022 | Apr 22, 2022 | 001-10948 | |
| 4 | Open Document | Open Filing | Mar 14, 2022 | Mar 10, 2022 | 001-10948 | |
| 4 | Open Document | Open Filing | Jul 8, 2021 | Jul 6, 2021 | 001-10948 | |
| 4 | Open Document | Open Filing | Apr 26, 2021 | Apr 22, 2021 | 001-10948 | |
| 3 | Open Document | Open Filing | Jul 8, 2020 | Jul 6, 2020 | 001-10948 | |
| 4 | Open Document | Open Filing | Jul 8, 2020 | Jul 6, 2020 | 001-10948 |