CUSIP: 450911201 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2016 | 1,764,537 | $65,094 | — | — |
| Q4 2015 | 1,686,945 | $61,270 | — | — |
| Q3 2015 | 1,452,092 | $48,543 | — | — |
| Q2 2015 | 1,264,556 | $52,909 | — | — |
| Q1 2015 | 1,243,563 | $49,630 | — | — |
| Q4 2014 | 1,300,963 | $52,637 | — | — |
| Q3 2014 | 1,202,897 | $54,058 | — | — |
| Q2 2014 | 1,208,497 | $58,129 | — | — |
| Q1 2014 | 1,116,397 | $47,737 | — | — |
| Q4 2013 | 1,106,797 | $48,057 | — | — |
| Q3 2013 | 973,944 | $35,013 | — | — |
| Q2 2013 | 1,087,618 | $31,987 | — | — |
| Q4 2012 | 1,152,318 | $27,033 | — | — |