CUSIP: 909218109 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 435,145 | $9,573 | — | — |
| Q3 2017 | 434,031 | $8,932 | — | — |
| Q2 2017 | 384,659 | $7,205 | — | — |
| Q1 2017 | 301,542 | $7,285 | — | — |
| Q4 2016 | 440,292 | $11,831 | — | — |
| Q1 2016 | 143,999 | $1,269 | — | — |
| Q4 2015 | 1,652,834 | $20,165 | — | — |
| Q3 2015 | 2,092,248 | $23,559 | — | — |
| Q2 2015 | 2,452,318 | $66,507 | — | — |
| Q1 2015 | 2,505,951 | $70,117 | — | — |
| Q4 2014 | 2,569,500 | $87,620 | — | — |
| Q3 2014 | 2,600,938 | $152,545 | — | — |
| Q2 2014 | 3,015,446 | $207,553 | — | — |
| Q1 2014 | 3,080,022 | $201,372 | — | — |
| Q4 2013 | 2,727,873 | $140,813 | — | — |
| Q3 2013 | 2,683,436 | $124,753 | — | — |
| Q2 2013 | 2,705,870 | $115,216 | — | — |