| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2022 | May 20, 2022 | 001-41318 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 8, 2019 | Feb 7, 2019 | 000-29913 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 12, 2016 | Dec 8, 2016 | 000-29913 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 29, 2016 | Nov 25, 2016 | 000-29913 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 8, 2016 | Jan 27, 2016 | 000-29913 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 29, 2016 | Jul 27, 2016 | 000-29913 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2015 | Jan 26, 2015 | 000-29913 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 17, 2014 | Sep 16, 2014 | 811-22930 |