| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2021 | 08 Jun 2021 | 001-35680 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2020 | 09 Jun 2020 | 001-35680 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Apr 2020 | 15 Apr 2020 | 001-35680 |
| 3 | Open Document | Open Filing | FORM 3 | 10 Apr 2020 | 02 Apr 2020 | 001-35680 |