| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 6, 2022 | Apr 1, 2022 | 001-39037 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 3, 2021 | Sep 1, 2021 | 001-39037 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 8, 2020 | Jun 4, 2020 | 001-39037 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 17, 2019 | Sep 16, 2019 | 001-39037 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 16, 2019 | Sep 16, 2019 | 001-39037 |