| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 14 Jun 2021 | 10 Jun 2021 | 001-37415 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2020 | 09 Jun 2020 | 001-37415 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Aug 2019 | 11 Mar 2019 | 001-37415 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2019 | 09 Aug 2019 | 001-37415 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jun 2019 | 11 Jun 2019 | 001-37415 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2019 | 11 Mar 2019 | 001-37415 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2018 | 13 Jun 2018 | 001-37415 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2017 | 08 Jun 2017 | 001-37415 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2016 | 14 Nov 2016 | 001-37415 |
| 4 | Open Document | Open Filing | 03 May 2016 | 01 May 2016 | 001-37415 | |
| 3 | Open Document | Open Filing | 20 Apr 2016 | 12 Apr 2016 | 001-37415 |