CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2015 | 6,650 | $221,179 | — | — |
| Q3 2015 | 14,050 | $406,185 | — | — |
| Q2 2015 | 20,750 | $815,267 | — | — |
| Q1 2015 | 20,200 | $897,587 | — | — |
| Q4 2014 | 18,680 | $943,527 | — | — |
| Q3 2014 | 30,127 | $1,227,675 | — | — |
| Q2 2014 | 144,037 | $5,060,020 | — | — |
| Q1 2014 | 15,192 | $545,393 | — | — |