CUSIP: 983772104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2016 | 6,800 | $132 | — | — |
| Q3 2016 | 6,800 | $131 | — | — |
| Q2 2016 | 4,500 | $78 | — | — |
| Q1 2016 | 4,500 | $72 | — | — |
| Q4 2015 | 4,500 | $72 | — | — |
| Q3 2015 | 4,500 | $64 | — | — |
| Q2 2015 | 4,500 | $74 | — | — |
| Q1 2015 | 2,500 | $44 | — | — |
| Q4 2014 | 1,000 | $18 | — | — |
| Q3 2014 | 1,000 | $11 | — | — |