CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2014 | 11,240 | $593 | — | — |
| Q3 2014 | 15,090 | $649 | — | — |
| Q2 2014 | 16,670 | $782 | — | — |
| Q1 2014 | 13,220 | $615 | — | — |
| Q4 2013 | 13,270 | $549 | — | — |
| Q3 2013 | 14,680 | $593 | — | — |