| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Dec 7, 2021 | Dec 7, 2021 | 001-37960 | |
| 4 | Open Document | Open Filing | Dec 6, 2021 | Dec 3, 2021 | 001-37960 | |
| 4 | Open Document | Open Filing | Jun 1, 2021 | May 18, 2021 | 001-37960 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 5, 2017 | Dec 4, 2017 | 001-37960 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 6, 2016 | Dec 6, 2016 | 001-37960 |