Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2019 | 2,820 | $235 | $67.58 | $51.63 - $78.46 |
| Q4 2018 | 24,291 | $1,500 | $62.18 | $48.12 - $70.66 |
| Q3 2018 | 24,474 | $1,878 | $70.20 | $64.67 - $74.99 |
| Q2 2018 | 27,888 | $2,135 | $67.39 | $59.37 - $73.05 |
| Q1 2018 | 27,932 | $1,916 | $62.31 | $55.67 - $66.49 |
| Q4 2017 | 38,292 | $2,703 | $59.54 | $53.90 - $66.58 |
| Q3 2017 | 43,626 | $2,690 | $53.37 | $48.20 - $59.20 |
| Q2 2017 | 57,647 | $3,779 | $57.04 | $53.20 - $62.50 |
| Q1 2017 | 105,997 | $6,863 | $59.26 | $51.41 - $66.19 |
| Q4 2016 | 115,989 | $7,945 | $56.82 | $47.94 - $64.99 |
| Q4 2015 | 110,508 | $6,002 | $48.12 | $40.31 - $52.05 |
| Q3 2015 | 113,958 | $5,300 | $39.87 | $35.73 - $44.30 |
| Q2 2015 | 71,542 | $3,222 | $38.87 | $36.94 - $40.69 |