| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 21, 2023 | Mar 16, 2023 | 811-23362 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 13, 2021 | Jul 21, 2021 | 811-23362 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 22, 2021 | Jun 21, 2021 | 811-23362 |
| 3 | Open Document | Open Filing | Jan 9, 2019 | Jan 1, 2019 | 811-23362 |