CUSIP: 94946T106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2012 | 8,600 | $419 | — | — |
| Q3 2012 | 8,600 | $486 | — | — |
| Q2 2012 | 16,600 | $880 | — | — |
| Q1 2012 | 13,500 | $970 | — | — |
| Q4 2011 | 18,900 | $992 | — | — |
| Q3 2011 | 16,400 | $623 | — | — |
| Q2 2011 | 12,600 | $648 | — | — |