| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 18, 2021 | Aug 16, 2021 | 001-38713 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 23, 2021 | Feb 19, 2021 | 001-38713 |
| 4 | Open Document | Open Filing | 4 | Feb 16, 2021 | Feb 12, 2021 | 001-38713 |
| 4 | Open Document | Open Filing | 4 | Feb 19, 2020 | Feb 14, 2020 | 001-38713 |
| 3 | Open Document | Open Filing | 3 | Jan 8, 2020 | Jan 6, 2020 | 001-38713 |