CUSIP: 450911201 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2016 | 2,524,927 | $93,145 | — | — |
| Q4 2015 | 2,522,550 | $91,621 | — | — |
| Q3 2015 | 2,490,968 | $83,282 | — | — |
| Q2 2015 | 2,610,333 | $109,219 | — | — |
| Q1 2015 | 2,707,993 | $108,083 | — | — |
| Q4 2014 | 2,612,229 | $105,689 | — | — |
| Q3 2014 | 2,538,441 | $114,078 | — | — |
| Q2 2014 | 2,550,566 | $122,685 | — | — |
| Q1 2014 | 2,679,109 | $114,562 | — | — |
| Q4 2013 | 2,925,482 | $127,029 | — | — |
| Q3 2013 | 3,037,311 | $109,192 | — | — |
| Q2 2013 | 2,399,325 | $70,563 | — | — |