| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G | Report | SC 13G | Feb 8, 2019 | |
| SC 13G/A | Report | KAYNE ANDERSON CAPITAL ADVISORS, LP SC 13GA 8-8-2014 (VOC ENERGY TRUST) | Aug 11, 2014 | |
| SC 13G/A | Report | KAYNE ANDERSON CAPITAL ADVISORS LP SC 13G A NO 3 2-4-2014 (VOC ENERGY TRUST) | Feb 5, 2014 | |
| SC 13G/A | Report | KAYNE ANDERSON CAPITAL ADVISORS, LP SC 13GA NO 2 6-7-2013 (VOC ENERGY TRUST) | Jun 7, 2013 | |
| SC 13G/A | Report | KAYNE ANDERSON CAPITAL ADVISORS L.P SC 13G A #1 1-9-2013 (VOC ENERGY TRUST) | Jan 10, 2013 | |
| SC 13G/A | Report | KAYNE ANDERSON CAPITAL ADVISORS, L.P. SC 13G A #1 2-9-2012 (VOC ENERGY TRUST) | Feb 9, 2012 | |
| SC 13G | Report | Jul 6, 2011 | ||
| SC 13G | Report | KAYNE ANDERSON CAPITAL ADVISORS SC 13G 6-9-2011 (VOC ENERGY TRUST) | Jun 10, 2011 | |
| SC 13G | Report | Jun 2, 2011 |