| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2015 | Q1 | 2,609,880 | +2,609,880 |
| 2014 | Q4 | 0 | Liquidated |
| 2014 | Q3 | 4,763,720 | |
| 2014 | Q2 | 4,763,720 | +4,763,720 |
| 2014 | Q1 | 0 | Liquidated |
| 2013 | Q4 | 8,554,260 | |
| 2013 | Q1 | 0 | Liquidated |
| 2012 | Q4 | 1,547,220 | +1,547,220 |
| 2012 | Q3 | 0 | Liquidated |
| 2012 | Q2 | 4,005,020 | +4,005,020 |
| 2012 | Q1 | 0 | Liquidated |
| 2011 | Q4 | 10,630,060 |