| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 20, 2023 | Jan 18, 2023 | 811-22021 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 29, 2022 | Dec 27, 2022 | 811-22021 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 28, 2020 | Dec 24, 2020 | 811-22021 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 22, 2020 | Dec 18, 2020 | 811-22021 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 26, 2020 | Aug 24, 2020 | 811-22021 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 25, 2017 | Sep 22, 2017 | 811-22021 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2016 | Feb 23, 2016 | 811-22021 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2016 | Feb 23, 2016 | 811-22021 |