| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 16, 2021 | Jun 14, 2021 | 001-34956 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 11, 2021 | Jun 9, 2021 | 001-34956 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 8, 2021 | Jun 4, 2021 | 001-34956 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 6, 2021 | Apr 1, 2021 | 001-34956 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 12, 2016 | Jan 8, 2016 | 001-34956 |