| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2022 | 15 Feb 2022 | 001-37660 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2021 | 25 Feb 2021 | 001-37660 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2021 | 15 Feb 2021 | 001-37660 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jun 2020 | 15 Jun 2020 | 001-37660 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2020 | 01 May 2020 | 001-37660 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2020 | 01 May 2020 | 001-37660 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Mar 2020 | 18 Mar 2020 | 001-37660 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2020 | 18 Feb 2020 | 001-37660 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 23 Dec 2015 | 17 Dec 2015 | 001-37660 |