CUSIP: 450828108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 8,920 | $691 | — | — |
| Q3 2017 | 8,920 | $733 | — | — |
| Q2 2017 | 8,920 | $727 | — | — |
| Q1 2017 | 8,920 | $706 | — | — |
| Q4 2016 | 8,951 | $750 | — | — |
| Q3 2016 | 18,783 | $1,261 | — | — |
| Q2 2016 | 18,783 | $1,122 | — | — |
| Q1 2016 | 17,917 | $919 | — | — |
| Q4 2015 | 21,571 | $1,188 | — | — |
| Q3 2015 | 21,666 | $1,261 | — | — |
| Q2 2015 | 34,828 | $2,376 | — | — |
| Q1 2015 | 8,704 | $549 | — | — |
| Q4 2014 | 25,862 | $1,677 | — | — |
| Q3 2014 | 32,411 | $2,026 | — | — |
| Q2 2014 | 38,069 | $2,634 | — | — |
| Q1 2014 | 38,308 | $2,687 | — | — |
| Q4 2013 | 38,200 | $2,401 | — | — |
| Q3 2013 | 37,341 | $1,938 | — | — |
| Q2 2013 | 363,580 | $19,491 | — | — |
| Q1 2013 | 349,677 | $17,491 | — | — |
| Q4 2012 | 333,887 | $16,401 | — | — |