CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 122,500 | $899 | — | — |
| Q1 2015 | 72,400 | $930 | — | — |
| Q4 2014 | 173,200 | $2,401 | — | — |
| Q3 2014 | 79,400 | $1,050 | — | — |
| Q2 2014 | 56,300 | $700 | — | — |
| Q1 2014 | 47,900 | $541 | — | — |
| Q4 2013 | 747,850 | $9,101 | — | — |
| Q3 2013 | 30,600 | $315 | — | — |
| Q2 2013 | 5,800 | $53 | — | — |