CUSIP: 988858106 Class: COMMON STOCK
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2014 | 249,790 | $5,222 | — | — |
| Q4 2013 | 1,879,213 | $29,636 | — | — |
| Q3 2013 | 2,255,679 | $34,286 | — | — |
| Q2 2013 | 952,577 | $8,668 | — | — |