| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jul 1, 2021 | Jun 30, 2021 | 001-36612 | |
| 4 | Open Document | Open Filing | Jul 7, 2020 | Jul 2, 2020 | 001-36612 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 6, 2019 | Jun 1, 2019 | 001-36612 |
| 4 | Open Document | Open Filing | FORM 4 | May 7, 2018 | May 3, 2018 | 001-36612 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 6, 2018 | Feb 22, 2018 | 001-36612 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 5, 2018 | Feb 22, 2018 | 001-36612 |