| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 18, 2021 | Nov 16, 2021 | 001-39058 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 26, 2021 | May 24, 2021 | 001-39058 |
| 4 | Open Document | Open Filing | FORM 4 | May 24, 2021 | May 21, 2021 | 001-39058 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 24, 2021 | May 19, 2021 | 001-39058 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2019 | Sep 30, 2019 | 001-39058 |
| 3 | Open Document | Open Filing | FORM 3 | Sep 25, 2019 | Sep 25, 2019 | 001-39058 |