| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Sep 15, 2021 | Sep 13, 2021 | 001-34249 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 11, 2020 | Dec 9, 2020 | 001-34249 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 13, 2019 | Nov 11, 2019 | 001-34249 |
| 3 | Open Document | Open Filing | FORM 3 | Nov 13, 2019 | Nov 4, 2019 | 001-34249 |