| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2014 | Q2 | 884,725 | +67,035 |
| 2014 | Q1 | 817,690 | +60,758 |
| 2013 | Q4 | 756,932 | +169,465 |
| 2013 | Q3 | 587,467 | -85,197 |
| 2013 | Q2 | 672,664 | +187,981 |
| 2013 | Q1 | 484,683 | +120,307 |
| 2012 | Q4 | 364,376 | -55,566 |
| 2012 | Q3 | 419,942 | +419,942 |
| 2012 | Q2 | 0 | Liquidated |
| 2012 | Q1 | 114,978 |