| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2021 | 07 May 2021 | 001-37680 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2020 | 19 May 2020 | 001-37680 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2020 | 15 May 2020 | 001-37680 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2020 | 01 May 2020 | 001-37680 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2019 | 19 May 2019 | 001-37680 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2019 | 15 May 2019 | 001-37680 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2019 | 03 May 2019 | 001-37680 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2018 | 18 May 2018 | 001-37680 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Oct 2017 | 03 Oct 2017 | 001-37680 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jun 2017 | 19 May 2017 | 001-37680 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 06 Apr 2017 | 06 Apr 2017 | 001-37680 |