CUSIP: 98412110 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2014 | 13,400 | $177 | — | — |
| Q2 2014 | 19,800 | $246 | — | — |
| Q1 2014 | 31,800 | $359 | — | — |
| Q4 2013 | 41,800 | $508 | — | — |
| Q3 2013 | 47,300 | $486 | — | — |
| Q2 2013 | 47,800 | $433 | — | — |