CUSIP: 98310W108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2013 | 1,838,830 | $135,503 | — | — |
| Q3 2013 | 2,887,248 | $176,036 | — | — |
| Q2 2013 | 2,991,255 | $171,190 | — | — |
| Q1 2013 | 2,588,722 | $166,921 | — | — |