CUSIP: 457153104 Class: CL A
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2011 | 5,958 | $96 | — | — |
| Q2 2011 | 6,180 | $112 | — | — |
| Q1 2011 | 6,180 | $130 | — | — |
| Q4 2010 | 7,067 | $135 | — | — |
| Q3 2010 | 12,179 | $205 | — | — |
| Q2 2010 | 10,966 | $167 | — | — |
| Q1 2010 | 9,526 | $167 | — | — |
| Q4 2009 | 7,079 | $124 | — | — |
| Q3 2009 | 3,672 | $62 | — | — |
| Q2 2009 | 3,979 | $70 | — | — |
| Q1 2009 | 3,432 | $43 | — | — |