CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 10,310 | $76 | — | — |
| Q4 2016 | 10,310 | $90 | — | — |
| Q3 2016 | 12,310 | $125 | — | — |
| Q2 2016 | 12,310 | $117 | — | — |
| Q1 2016 | 10,310 | $115 | — | — |
| Q4 2015 | 10,310 | $110 | — | — |
| Q3 2015 | 10,310 | $100 | — | — |
| Q2 2015 | 10,310 | $110 | — | — |
| Q1 2015 | 10,310 | $132 | — | — |
| Q4 2014 | 10,310 | $143 | — | — |
| Q3 2014 | 10,310 | $136 | — | — |
| Q2 2014 | 10,310 | $128 | — | — |
| Q1 2014 | 10,310 | $117 | — | — |
| Q4 2013 | 10,810 | $132 | — | — |
| Q3 2013 | 10,810 | $111 | — | — |
| Q2 2013 | 11,510 | $104 | — | — |