| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5 | Open Document | Open Filing | FORM 5 | Feb 3, 2022 | Dec 31, 2021 | 811-21582 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2020 | Dec 31, 2019 | 811-21582 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2019 | Dec 31, 2018 | 811-21582 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 15, 2018 | Oct 8, 2018 | 811-21582 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 15, 2018 | Oct 8, 2018 | 811-21713 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2018 | Dec 31, 2017 | 811-21713 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2018 | Dec 31, 2017 | 811-21582 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2017 | Dec 31, 2016 | 811-21582 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2017 | Dec 31, 2016 | 811-21713 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2016 | Dec 31, 2015 | 811-21582 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2016 | Dec 31, 2015 | 811-21713 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 20, 2015 | Dec 31, 2014 | 811-21713 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 20, 2015 | Dec 31, 2014 | 811-21582 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 31, 2014 | Dec 31, 2013 | 811-21582 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 31, 2014 | Dec 31, 2013 | 811-21713 |