CUSIP: 450911201 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2016 | 12,065 | $445 | — | — |
| Q4 2015 | 11,732 | $426 | — | — |
| Q3 2015 | 12,443 | $416 | — | — |
| Q2 2015 | 12,598 | $527 | — | — |
| Q1 2015 | 12,969 | $518 | — | — |
| Q4 2014 | 12,806 | $518 | — | — |
| Q3 2014 | 12,948 | $582 | — | — |
| Q2 2014 | 12,848 | $618 | — | — |
| Q1 2014 | 13,206 | $565 | — | — |
| Q4 2013 | 13,106 | $569 | — | — |
| Q3 2013 | 13,370 | $481 | — | — |
| Q2 2013 | 13,470 | $396 | — | — |
| Q1 2013 | 13,857 | $394 | — | — |
| Q4 2012 | 13,957 | $327 | — | — |
| Q3 2012 | 13,957 | $281 | — | — |
| Q2 2012 | 13,798 | $243 | — | — |
| Q1 2012 | 14,348 | $329 | — | — |
| Q4 2011 | 14,101 | $273 | — | — |