| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2017 | Q3 | 0 | |
| 2017 | Q2 | 0 | |
| 2017 | Q1 | 0 | |
| 2016 | Q1 | 0 | Liquidated |
| 2015 | Q4 | 0 | |
| 2015 | Q3 | 0 | |
| 2014 | Q4 | 0 | Liquidated |
| 2014 | Q3 | 47,000,000 | |
| 2014 | Q3 | 229,837 | |
| 2014 | Q2 | 229,837 | |
| 2014 | Q1 | 229,837 | |
| 2013 | Q4 | 229,837 | |
| 2013 | Q3 | 229,837 | |
| 2012 | Q2 | 0 | Liquidated |
| 2012 | Q1 | 57,928 | |
| 2011 | Q4 | 57,928 | |
| 2011 | Q3 | 57,928 |