| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jul 13, 2021 | Jul 13, 2021 | 001-36868 | |
| 3 | Open Document | Open Filing | FORM 3 | Jan 26, 2021 | Jan 26, 2021 | 001-39944 |
| 4 | Open Document | Open Filing | Dec 1, 2020 | Nov 27, 2020 | 001-36868 | |
| 4 | Open Document | Open Filing | Aug 19, 2019 | Aug 15, 2019 | 001-36868 | |
| 3 | Open Document | Open Filing | Apr 10, 2018 | Apr 2, 2018 | 001-36868 |