| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 22, 2022 | Nov 18, 2020 | 001-39037 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 19, 2021 | Jan 14, 2021 | 001-39037 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 19, 2021 | Sep 16, 2020 | 001-39037 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 17, 2019 | Sep 13, 2019 | 001-39037 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 11, 2019 | Sep 11, 2019 | 001-39037 |