| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | 07 Oct 2021 | 24 Sep 2021 | 000-28027 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2019 | 01 May 2019 | 000-54433 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2018 | 15 Jun 2018 | 000-54433 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2018 | 30 Jan 2018 | 000-54433 |