| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2022 | 07 Jun 2022 | 001-38910 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2022 | 01 Jun 2022 | 001-38910 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2019 | 14 May 2019 | 001-38910 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2019 | 13 May 2019 | 001-38910 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Jun 2016 | 22 Jun 2016 | 000-51297 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Dec 2015 | 24 Jun 2015 | 000-51297 |