| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 3, 2021 | Sep 2, 2021 | 001-38608 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 1, 2021 | Aug 31, 2021 | 001-38608 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2021 | Feb 24, 2021 | 001-38608 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 22, 2020 | Oct 20, 2020 | 001-38608 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 27, 2020 | Jul 27, 2020 | 001-38608 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 30, 2018 | Jul 27, 2018 | 001-38608 |