| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2022 | Jan 1, 2022 | 001-37391 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 15, 2021 | Dec 14, 2021 | 001-37391 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 21, 2021 | Jul 21, 2021 | 001-37391 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 21, 2021 | Apr 20, 2021 | 001-37391 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 24, 2020 | Jul 23, 2020 | 001-37391 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 22, 2020 | Jul 21, 2020 | 001-37391 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 25, 2019 | Jul 23, 2019 | 001-37391 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 25, 2018 | Jul 24, 2018 | 001-37391 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 2, 2017 | Jul 31, 2017 | 001-37391 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 2, 2017 | Jul 31, 2017 | 001-37391 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 27, 2016 | Jul 26, 2016 | 001-37391 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2015 | May 13, 2015 | 001-37391 |