Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2015 | 29,680 | $1,612 | $48.12 | $40.31 - $52.05 |
| Q3 2015 | 28,410 | $1,321 | $39.87 | $35.73 - $44.30 |
| Q2 2015 | 15,885 | $715 | $38.87 | $36.94 - $40.69 |
| Q1 2015 | 10,575 | $491 | $37.07 | $33.21 - $40.57 |
| Q4 2014 | 10,575 | $452 | $35.30 | $30.04 - $40.52 |