CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2014 | 94,460 | $1,309 | — | — |
| Q3 2014 | 93,470 | $1,237 | — | — |
| Q2 2014 | 101,720 | $1,265 | — | — |
| Q1 2014 | 101,920 | $1,152 | — | — |
| Q4 2013 | 101,070 | $1,230 | — | — |
| Q3 2013 | 100,730 | $1,037 | — | — |
| Q2 2013 | 98,910 | $897 | — | — |