CUSIP: 988858106 Class: COMMON STOCK
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2014 | 370,975 | $7,757 | — | — |
| Q4 2013 | 101,764 | $1,605 | — | — |
| Q4 2012 | 170,311 | $700 | — | — |
| Q3 2012 | 106,984 | $738 | — | — |
| Q2 2012 | 162,341 | $437 | — | — |
| Q1 2012 | 173,872 | $538 | — | — |