| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2022 | 03 Mar 2022 | 001-38513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Aug 2021 | 19 Aug 2021 | 001-38513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Oct 2020 | 21 Oct 2020 | 001-38513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Sep 2020 | 17 Sep 2020 | 001-38513 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Sep 2019 | 23 Sep 2019 | 001-38513 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Feb 2018 | 29 Dec 2017 | 000-53088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2017 | 29 Sep 2017 | 000-53088 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2017 | 31 Jul 2017 | 000-53088 |