| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 3, 2023 | Aug 1, 2023 | 001-32508 |
| 3 | Open Document | Open Filing | OWNERSHP DOCUMENT | Jul 11, 2018 | Jul 10, 2018 | 001-32508 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 30, 2018 | Mar 27, 2018 | 001-36492 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 8, 2015 | Jun 2, 2015 | 000-54891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2015 | Dec 31, 2014 | 000-54891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 25, 2014 | Jun 2, 2014 | 000-54891 |
| 4 | Open Document | Open Filing | FORM 4 | May 22, 2014 | May 20, 2014 | 000-30234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2014 | Feb 12, 2014 | 000-54891 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 22, 2014 | Dec 31, 2013 | 000-54891 |