| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 23 Jun 2021 | 21 Jun 2021 | 001-35033 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Dec 2017 | 22 Dec 2017 | 001-35033 |
| 3 | Open Document | Open Filing | FORM 3 | 17 Jul 2017 | 03 Apr 2017 | 001-35033 |