| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 13, 2022 | Jun 9, 2022 | 001-38880 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 20, 2022 | Oct 12, 2021 | 001-38880 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 16, 2021 | Sep 14, 2021 | 001-38880 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 2, 2020 | Sep 30, 2020 | 001-38880 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 29, 2020 | Sep 25, 2020 | 001-38880 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 2, 2020 | Aug 31, 2020 | 001-38880 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 25, 2019 | Apr 25, 2019 | 001-38880 |