CUSIP: 97717W174 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2014 | 19,585 | $418 | — | — |
| Q3 2014 | 19,585 | $434 | — | — |
| Q2 2014 | 20,514 | $480 | — | — |
| Q1 2014 | 20,086 | $451 | — | — |
| Q4 2013 | 17,217 | $390 | — | — |
| Q3 2013 | 15,711 | $340 | — | — |
| Q2 2012 | 32,664 | $635 | — | — |
| Q1 2012 | 16,742 | $350 | — | — |