CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 116,150 | $5,390,522 | — | — |
| Q4 2016 | 105,550 | $4,081,619 | — | — |
| Q3 2016 | 99,250 | $3,488,945 | — | — |
| Q2 2016 | 1,933,042 | $71,917,710 | — | — |
| Q1 2016 | 2,588,342 | $94,603,246 | — | — |
| Q4 2015 | 2,628,955 | $87,439,043 | — | — |
| Q3 2015 | 2,384,955 | $68,949,049 | — | — |
| Q2 2015 | 415,233 | $16,314,505 | — | — |
| Q1 2015 | 100,250 | $4,454,609 | — | — |
| Q4 2014 | 113,750 | $5,745,513 | — | — |
| Q3 2014 | 321,150 | $13,086,863 | — | — |
| Q2 2014 | 950,050 | $33,375,257 | — | — |
| Q4 2013 | 32,350 | $1,308,234 | — | — |
| Q3 2013 | 27,750 | $920,190 | — | — |
| Q2 2013 | 1,576,787 | $39,593,122 | — | — |