| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | FORM 4/A | Jul 15, 2021 | Jul 1, 2021 | 001-39165 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 12, 2021 | Jul 1, 2020 | 001-39165 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 21, 2020 | Dec 31, 2019 | 001-39165 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 1, 2020 | Jul 1, 2020 | 001-39165 |
| 3 | Open Document | Open Filing | FORM 3 | Dec 18, 2019 | Dec 18, 2019 | 001-39165 |