CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2015 | 6,464 | $215 | — | — |
| Q2 2015 | 6,464 | $255 | — | — |
| Q1 2015 | 4,513 | $204 | — | — |
| Q2 2014 | 9,522 | $336 | — | — |
| Q1 2014 | 12,087 | $435 | — | — |
| Q4 2013 | 6,775 | $274 | — | — |