CUSIP: 458118106 Class: COMMON STOCK
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2012 | 56,400 | $412 | — | — |
| Q3 2012 | 56,400 | $331 | — | — |
| Q2 2012 | 56,400 | $317 | — | — |
| Q1 2012 | 56,400 | $403 | — | — |
| Q4 2011 | 59,700 | $326 | — | — |
| Q3 2011 | 59,700 | $307 | — | — |
| Q2 2011 | 59,700 | $469 | — | — |
| Q1 2011 | 72,000 | $531 | — | — |
| Q4 2010 | 72,000 | $480 | — | — |