| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 13F-HR | Open Document | Open Filing | Nov 8, 2018 | Sep 30, 2018 | 028-18378 | |
| 13F-HR | Open Document | Open Filing | Aug 1, 2018 | Jun 30, 2018 | 028-18378 | |
| 13F-HR | Open Document | Open Filing | May 4, 2018 | Mar 31, 2018 | 028-18378 | |
| 13F-HR | Open Document | Open Filing | Feb 12, 2018 | Dec 31, 2017 | 028-18378 |