CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2014 | 12,075 | $167,360 | — | — |
| Q3 2014 | 15,700 | $207,711 | — | — |
| Q2 2014 | 25,350 | $315,354 | — | — |
| Q1 2014 | 29,200 | $329,960 | — | — |
| Q4 2013 | 29,300 | $356,581 | — | — |
| Q3 2013 | 28,800 | $296,352 | — | — |
| Q2 2013 | 33,700 | $305,659 | — | — |