CUSIP: 450911201 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2016 | 1,348,963 | $49,763 | — | — |
| Q4 2015 | 1,866,258 | $67,782 | — | — |
| Q3 2015 | 1,635,153 | $54,663 | — | — |
| Q2 2015 | 1,428,620 | $59,773 | — | — |
| Q1 2015 | 1,424,225 | $56,841 | — | — |
| Q4 2014 | 1,272,395 | $51,481 | — | — |
| Q3 2014 | 1,083,665 | $48,700 | — | — |
| Q2 2014 | 2,214,374 | $106,511 | — | — |
| Q1 2014 | 1,380,390 | $59,025 | — | — |
| Q4 2013 | 882,050 | $38,299 | — | — |