| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Oct 2021 | 06 Oct 2021 | 001-36589 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2017 | 09 May 2017 | 001-36589 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Apr 2016 | 25 Apr 2016 | 001-36589 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Apr 2016 | 22 Apr 2016 | 001-36589 |