CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 7,355,146 | $341,352 | — | — |
| Q4 2016 | 7,336,619 | $283,706 | — | — |
| Q3 2016 | 7,329,597 | $315,905 | — | — |
| Q2 2016 | 7,288,900 | $273,771 | — | — |
| Q1 2016 | 7,604,584 | $279,926 | — | — |
| Q4 2015 | 8,572,332 | $285,115 | — | — |
| Q3 2015 | 9,014,880 | $260,621 | — | — |
| Q2 2015 | 9,513,175 | $373,773 | — | — |
| Q1 2015 | 9,763,784 | $433,853 | — | — |
| Q4 2014 | 9,995,069 | $504,850 | — | — |
| Q3 2014 | 11,786,155 | $480,285 | — | — |
| Q2 2014 | 13,036,116 | $457,958 | — | — |
| Q1 2014 | 15,539,226 | $557,859 | — | — |
| Q4 2013 | 17,435,965 | $705,110 | — | — |
| Q3 2013 | 17,536,871 | $581,698 | — | — |
| Q2 2013 | 17,846,935 | $448,493 | — | — |
| Q4 2012 | 6,500 | $129 | — | — |
| Q3 2012 | 55,500 | $887 | — | — |
| Q2 2012 | 12,200 | $193 | — | — |
| Q1 2012 | 13,200 | $201 | — | — |
| Q2 2011 | 300 | $5 | — | — |