Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2018 | 3,364 | $208 | $62.18 | $48.12 - $70.66 |
| Q3 2018 | 3,364 | $258 | $70.20 | $64.67 - $74.99 |
| Q2 2018 | 3,364 | $258 | $67.39 | $59.37 - $73.05 |
| Q1 2018 | 5,550 | $381 | $62.31 | $55.67 - $66.49 |
| Q4 2017 | 5,550 | $392 | $59.54 | $53.90 - $66.58 |
| Q3 2017 | 5,792 | $357 | $53.37 | $48.20 - $59.20 |
| Q2 2017 | 5,192 | $340 | $57.04 | $53.20 - $62.50 |
| Q1 2017 | 5,092 | $330 | $59.26 | $51.41 - $66.19 |
| Q4 2016 | 4,592 | $315 | $56.82 | $47.94 - $64.99 |
| Q3 2016 | 4,692 | $285 | $48.99 | $39.67 - $53.81 |
| Q2 2016 | 5,392 | $248 | $41.52 | $37.19 - $44.47 |
| Q1 2016 | 4,692 | $203 | $40.40 | $36.39 - $46.84 |
| Q4 2015 | 5,900 | $320 | $48.12 | $40.31 - $52.05 |
| Q3 2015 | 6,400 | $298 | $39.87 | $35.73 - $44.30 |
| Q2 2015 | 6,700 | $302 | $38.87 | $36.94 - $40.69 |
| Q1 2015 | 6,200 | $288 | $37.07 | $33.21 - $40.57 |
| Q4 2014 | 6,000 | $256 | $35.30 | $30.04 - $40.52 |
| Q2 2014 | 4,700 | $203 | $36.87 | $34.10 - $39.69 |
| Q1 2014 | 4,700 | $213 | $37.58 | $34.73 - $40.51 |
| Q4 2013 | 4,600 | $213 | $38.90 | $36.04 - $42.14 |
| Q3 2013 | 4,400 | $205 | $36.35 | $33.62 - $39.43 |