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