| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 05 Jan 2022 | 03 Jan 2022 | 001-37916 | |
| 4 | Open Document | Open Filing | 20 Apr 2021 | 15 Apr 2021 | 001-37916 | |
| 4 | Open Document | Open Filing | 17 Apr 2020 | 15 Apr 2020 | 001-37916 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Apr 2019 | 15 Apr 2019 | 001-37916 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 May 2018 | 28 Mar 2018 | 001-37916 |