CUSIP: 989774104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2015 | 23,666 | $412 | — | — |
| Q2 2015 | 34,371 | $448 | — | — |
| Q1 2015 | 40,492 | $526 | — | — |
| Q4 2014 | 144,131 | $3,373 | — | — |
| Q3 2014 | 245,215 | $9,291 | — | — |
| Q2 2014 | 64,109 | $2,625 | — | — |
| Q1 2014 | 10,454 | $525 | — | — |