CUSIP: 97381W104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2013 | 123,123 | $949 | — | — |
| Q1 2013 | 201,905 | $1,604 | — | — |
| Q4 2012 | 129,748 | $1,074 | — | — |
| Q3 2012 | 110,419 | $1,116 | — | — |
| Q2 2012 | 105,623 | $1,020 | — | — |
| Q1 2012 | 3,515,095 | $41,157 | — | — |