| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2014 | Q2 | 0 | Liquidated |
| 2014 | Q1 | 1,192,600 | |
| 2013 | Q4 | 1,192,600 | +76,000 |
| 2013 | Q3 | 1,116,600 | +225,500 |
| 2013 | Q2 | 891,100 | -108,900 |
| 2013 | Q1 | 1,000,000 | -1,301,178 |
| 2012 | Q4 | 2,301,178 | -96,000 |
| 2012 | Q3 | 2,397,178 | |
| 2011 | Q1 | 0 | Liquidated |
| 2010 | Q4 | 540,704 |