CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 95,751 | $702,812 | — | — |
| Q4 2016 | 101,151 | $883,048 | — | — |
| Q3 2016 | 174,151 | $1,764,150 | — | — |
| Q2 2016 | 174,151 | $1,652,693 | — | — |
| Q1 2016 | 174,151 | $1,943,525 | — | — |
| Q4 2015 | 43,251 | $459,758 | — | — |
| Q3 2015 | 46,751 | $454,887 | — | — |
| Q2 2015 | 448,451 | $4,771,519 | — | — |
| Q1 2015 | 397,151 | $5,103,390 | — | — |
| Q4 2014 | 418,851 | $5,805,275 | — | — |
| Q3 2014 | 440,251 | $5,824,521 | — | — |
| Q2 2014 | 396,151 | $4,928,118 | — | — |
| Q4 2013 | 41,851 | $509,327 | — | — |
| Q3 2013 | 50,651 | $521,199 | — | — |
| Q2 2013 | 80,973 | $734,425 | — | — |