| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jun 23, 2022 | Jun 23, 2022 | 001-34995 | |
| 4 | Open Document | Open Filing | Mar 17, 2022 | Mar 15, 2022 | 001-34995 | |
| 4 | Open Document | Open Filing | Jan 14, 2022 | Jan 12, 2022 | 001-34995 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 16, 2021 | Mar 15, 2021 | 001-34995 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 19, 2020 | Jun 17, 2020 | 001-34995 |
| 4 | Open Document | Open Filing | 4 | Apr 24, 2020 | Mar 27, 2020 | 001-38761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2020 | Jan 2, 2020 | 001-34995 |
| 4 | Open Document | Open Filing | 4 | Feb 11, 2019 | Feb 7, 2019 | 001-38761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2019 | Jan 2, 2019 | 001-34995 |
| 3 | Open Document | Open Filing | 3 | Dec 13, 2018 | Dec 13, 2018 | 001-38761 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 20, 2018 | Jul 12, 2018 | 001-34995 |