CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 10,000 | $662 | — | — |
| Q2 2017 | 10,000 | $545 | — | — |
| Q1 2017 | 11,000 | $511 | — | — |
| Q4 2016 | 10,000 | $387 | — | — |
| Q3 2016 | 10,000 | $431 | — | — |
| Q2 2016 | 10,300 | $387 | — | — |
| Q1 2016 | 10,300 | $379 | — | — |
| Q4 2015 | 10,100 | $336 | — | — |
| Q3 2015 | 10,100 | $292 | — | — |
| Q2 2015 | 10,100 | $397 | — | — |
| Q1 2015 | 10,100 | $448 | — | — |
| Q4 2014 | 10,100 | $510 | — | — |
| Q3 2014 | 10,100 | $411 | — | — |
| Q2 2014 | 10,100 | $355 | — | — |
| Q1 2014 | 10,100 | $363 | — | — |
| Q4 2013 | 10,100 | $408 | — | — |
| Q3 2013 | 10,100 | $335 | — | — |
| Q2 2013 | 10,100 | $254 | — | — |