| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2015 | Q3 | 31,983 | +8,695 |
| 2015 | Q2 | 23,288 | |
| 2015 | Q1 | 23,288 | -379 |
| 2014 | Q4 | 23,667 | -7,465 |
| 2014 | Q3 | 31,132 | -6,530 |
| 2014 | Q2 | 37,662 | +37,662 |
| 2014 | Q1 | 0 | Liquidated |
| 2013 | Q4 | 48,822 | -6,902 |
| 2013 | Q3 | 55,724 | |
| 2013 | Q1 | 0 | Liquidated |
| 2012 | Q4 | 100,475 | +10,093 |
| 2012 | Q3 | 90,382 | +85,600 |
| 2012 | Q2 | 4,782 | -172,468 |
| 2012 | Q1 | 177,250 | -70,600 |
| 2011 | Q4 | 247,850 | -5,500 |
| 2011 | Q3 | 253,350 | +99,112 |
| 2011 | Q2 | 154,238 | -273,678 |
| 2011 | Q1 | 427,916 | +256,021 |
| 2010 | Q4 | 171,895 |