| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 28, 2021 | May 25, 2021 | 811-21846 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 28, 2021 | May 25, 2021 | 811-21583 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 27, 2019 | Aug 29, 2019 | 811-21712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 29, 2016 | Dec 28, 2016 | 811-21846 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 29, 2016 | Dec 28, 2016 | 811-21583 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 29, 2016 | Dec 27, 2016 | 811-21712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 14, 2015 | Dec 11, 2015 | 811-21712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 3, 2015 | Dec 1, 2015 | 811-21712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2015 | Nov 17, 2015 | 811-21712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 27, 2015 | Aug 25, 2015 | 811-21712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 24, 2015 | Aug 20, 2015 | 811-21712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2015 | May 12, 2015 | 811-21712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2015 | Mar 6, 2015 | 811-21712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2015 | Mar 3, 2015 | 811-21712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2015 | Feb 27, 2015 | 811-21712 |