CUSIP: 450911201 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2016 | 1,908,179 | $70,393 | — | — |
| Q4 2015 | 2,073,986 | $75,327 | — | — |
| Q3 2015 | 2,435,178 | $81,408 | — | — |
| Q2 2015 | 2,403,490 | $100,562 | — | — |
| Q1 2015 | 2,405,801 | $96,016 | — | — |
| Q4 2014 | 2,393,832 | $96,854 | — | — |
| Q3 2014 | 2,104,358 | $94,570 | — | — |
| Q2 2014 | 2,037,560 | $98,007 | — | — |
| Q1 2014 | 2,058,681 | $88,029 | — | — |
| Q4 2013 | 1,631,303 | $70,831 | — | — |
| Q3 2013 | 1,389,395 | $49,949 | — | — |
| Q2 2013 | 957,072 | $28,147 | — | — |