CUSIP: 97382a101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 59,347 | $439 | — | — |
| Q4 2014 | 189,492 | $1,561 | — | — |
| Q3 2014 | 175,538 | $1,892 | — | — |
| Q2 2014 | 165,439 | $1,648 | — | — |
| Q1 2014 | 162,950 | $1,343 | — | — |
| Q4 2013 | 160,330 | $1,279 | — | — |
| Q3 2013 | 144,308 | $1,153 | — | — |