Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 10,497 | $741 | $59.54 | $53.90 - $66.58 |
| Q3 2017 | 10,369 | $639 | $53.37 | $48.20 - $59.20 |
| Q2 2017 | 9,480 | $621 | $57.04 | $53.20 - $62.50 |
| Q4 2015 | 10,974 | $596 | $48.12 | $40.31 - $52.05 |
| Q3 2015 | 10,828 | $503,610 | $39.87 | $35.73 - $44.30 |