| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Jan 2022 | 24 Jan 2022 | 001-35963 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 May 2021 | 24 May 2021 | 001-35963 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 May 2021 | 24 May 2021 | 001-35963 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2016 | 17 May 2016 | 001-37722 |
| 3 | Open Document | Open Filing | FORM 3 | 19 May 2016 | 17 May 2016 | 001-37722 |