| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 18, 2021 | Aug 16, 2021 | 001-37482 |
| 4 | Open Document | Open Filing | FORM 4 | May 12, 2021 | May 10, 2021 | 001-37482 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2021 | Mar 1, 2021 | 001-37482 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2020 | Jun 1, 2020 | 001-37482 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2020 | Mar 2, 2020 | 001-37482 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 10, 2019 | Sep 1, 2019 | 001-37482 |