| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 3, 2021 | Jul 31, 2021 | 001-38436 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 30, 2020 | Dec 30, 2020 | 001-37524 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2020 | Jul 31, 2020 | 001-38436 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 2, 2019 | Jul 31, 2019 | 001-38436 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 22, 2018 | Aug 20, 2018 | 001-38436 |
| 3 | Open Document | Open Filing | FORM 3 | Oct 24, 2016 | Apr 12, 2016 | 000-23047 |