| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Dec 2021 | 16 Dec 2021 | 001-38816 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2019 | 13 Feb 2019 | 001-38816 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2018 | 05 Nov 2018 | 000-55456 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Oct 2018 | 20 Sep 2018 | 000-55456 |