CUSIP: 98872B104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 33,433 | $174 | — | — |
| Q4 2014 | 33,433 | $169 | — | — |
| Q3 2014 | 33,290 | $166 | — | — |
| Q2 2014 | 33,100 | $195 | — | — |
| Q1 2014 | 9,500 | $69 | — | — |
| Q4 2013 | 9,500 | $71 | — | — |
| Q3 2013 | 7,600 | $81 | — | — |