CUSIP: 97382A101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 52,405 | $388 | — | — |
| Q4 2014 | 43,231 | $356,224 | — | — |
| Q3 2014 | 49,722 | $536,003 | — | — |
| Q2 2014 | 69,707 | $694,283 | — | — |
| Q1 2014 | 94,979 | $782,625 | — | — |
| Q4 2013 | 73,490 | $586,447 | — | — |
| Q3 2013 | 77,171 | $616,594 | — | — |