| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 15, 2022 | Oct 5, 2015 | 811-22014 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 27, 2019 | Aug 26, 2019 | 811-22987 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2019 | May 30, 2019 | 811-22987 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 14, 2018 | Sep 10, 2018 | 811-23172 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2014 | Dec 17, 2014 | 811-22987 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2014 | Oct 7, 2014 | 811-22987 |