CUSIP: 450911201 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2016 | 1,307,992 | $48,252 | — | — |
| Q4 2015 | 1,300,323 | $47,228 | — | — |
| Q3 2015 | 1,364,950 | $45,630 | — | — |
| Q2 2015 | 1,473,751 | $61,661 | — | — |
| Q1 2015 | 1,501,055 | $59,907 | — | — |
| Q4 2014 | 2,127,119 | $86,064 | — | — |
| Q3 2014 | 2,686,595 | $120,736 | — | — |
| Q2 2014 | 3,224,604 | $155,103 | — | — |
| Q1 2014 | 3,420,860 | $146,276 | — | — |
| Q4 2013 | 2,382,748 | $103,460 | — | — |
| Q3 2013 | 2,608,348 | $93,770 | — | — |
| Q2 2013 | 2,879,262 | $84,679 | — | — |