| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 14, 2021 | Jun 10, 2021 | 001-38993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2020 | Dec 4, 2020 | 001-38993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 7, 2020 | Oct 2, 2020 | 001-38993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2020 | Oct 1, 2020 | 001-38993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 29, 2020 | Jul 27, 2020 | 001-38993 |
| 4/A | Open Document | Open Filing | FORM 4/A | Jun 24, 2020 | Jun 4, 2019 | 001-38553 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2020 | Jun 12, 2020 | 001-38993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 20, 2020 | Feb 14, 2020 | 001-38993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2020 | Feb 5, 2020 | 001-38993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 3, 2019 | Sep 1, 2019 | 001-38993 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 29, 2019 | Jul 29, 2019 | 001-38993 |
| 3 | Open Document | Open Filing | FORM 3 | Jul 24, 2019 | Jul 24, 2019 | 001-38993 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 6, 2019 | Jun 4, 2019 | 001-38553 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 3, 2018 | Jul 3, 2018 | 001-38553 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 28, 2018 | Jun 28, 2018 | 001-38553 |