| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2015 | Q2 | 2,153,543 | -325,000 |
| 2015 | Q1 | 2,478,543 | |
| 2014 | Q4 | 2,478,543 | |
| 2014 | Q3 | 2,478,543 | |
| 2014 | Q2 | 2,478,543 | +8,778 |
| 2014 | Q1 | 2,469,765 | |
| 2013 | Q4 | 2,469,765 | +103,528 |
| 2013 | Q3 | 2,366,237 | |
| 2013 | Q2 | 2,366,237 | +28,000 |
| 2013 | Q1 | 2,338,237 | |
| 2012 | Q4 | 2,338,237 | |
| 2012 | Q3 | 2,338,237 | +180,000 |
| 2012 | Q2 | 2,158,237 | +630,200 |
| 2012 | Q1 | 1,528,037 | +28,000 |
| 2011 | Q4 | 1,500,037 | +359,288 |
| 2011 | Q3 | 1,140,749 | +315,000 |
| 2011 | Q2 | 825,749 | -133,000 |
| 2011 | Q1 | 958,749 | |
| 2010 | Q4 | 958,749 | +192,100 |
| 2010 | Q3 | 766,649 |