CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 45,000 | $330 | — | — |
| Q4 2016 | 30,000 | $262 | — | — |
| Q3 2016 | 27,000 | $273 | — | — |
| Q2 2016 | 27,000 | $256 | — | — |
| Q1 2016 | 30,000 | $335 | — | — |
| Q4 2015 | 15,000 | $159 | — | — |
| Q3 2015 | 12,500 | $122 | — | — |
| Q2 2015 | 12,500 | $133 | — | — |
| Q1 2015 | 10,000 | $128 | — | — |
| Q3 2014 | 19,300 | $255 | — | — |
| Q2 2014 | 22,500 | $280 | — | — |
| Q1 2014 | 22,500 | $254 | — | — |
| Q4 2013 | 20,400 | $248 | — | — |
| Q3 2013 | 30,000 | $309 | — | — |
| Q2 2013 | 27,800 | $252 | — | — |