CUSIP: 451055107 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 23,100 | $131 | — | — |
| Q2 2017 | 23,200 | $160 | — | — |
| Q1 2017 | 22,900 | $172 | — | — |
| Q4 2016 | 22,600 | $211 | — | — |
| Q3 2016 | 24,800 | $201 | — | — |
| Q2 2016 | 21,500 | $145 | — | — |
| Q1 2016 | 21,400 | $172 | — | — |
| Q4 2015 | 21,400 | $146 | — | — |
| Q3 2015 | 21,300 | $288 | — | — |
| Q2 2015 | 21,200 | $529 | — | — |
| Q1 2015 | 21,000 | $707 | — | — |
| Q4 2014 | 22,100 | $747 | — | — |
| Q3 2014 | 22,100 | $816 | — | — |
| Q2 2014 | 22,600 | $970 | — | — |
| Q1 2014 | 22,500 | $884 | — | — |
| Q4 2013 | 23,800 | $945 | — | — |