CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2016 | 35,983 | $402 | — | — |
| Q4 2015 | 35,983 | $382 | — | — |
| Q3 2015 | 35,483 | $345 | — | — |
| Q2 2015 | 35,483 | $378 | — | — |
| Q1 2015 | 35,483 | $456 | — | — |
| Q4 2014 | 32,797 | $455 | — | — |
| Q3 2014 | 33,000 | $437 | — | — |
| Q2 2014 | 33,000 | $411 | — | — |
| Q1 2014 | 33,000 | $373 | — | — |