CUSIP: 450911201 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2015 | 12,200 | $443 | — | — |
| Q3 2015 | 12,200 | $408 | — | — |
| Q2 2015 | 12,200 | $510 | — | — |
| Q1 2015 | 14,200 | $567 | — | — |
| Q4 2014 | 15,800 | $639 | — | — |
| Q3 2014 | 15,800 | $710 | — | — |
| Q2 2014 | 15,800 | $759 | — | — |
| Q1 2014 | 16,300 | $697 | — | — |
| Q4 2013 | 16,300 | $708 | — | — |
| Q3 2013 | 16,300 | $586 | — | — |
| Q2 2013 | 17,300 | $509 | — | — |