| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | May 4, 2022 | Oct 1, 2019 | 811-23447 | |
| 4 | Open Document | Open Filing | Jul 10, 2020 | Oct 1, 2019 | 811-23447 | |
| 4 | Open Document | Open Filing | Jan 6, 2020 | Oct 1, 2019 | 811-23447 | |
| 3 | Open Document | Open Filing | Oct 3, 2019 | Oct 1, 2019 | 811-23447 |