Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 7,297 | $559 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 9,814 | $757 | $82.49 | $73.21 - $89.37 |
| Q4 2024 | 2,153 | $237 | $111.62 | $104.73 - $124.78 |
| Q1 2020 | 3,460 | $240 | $83.79 | $52.02 - $98.93 |
| Q4 2019 | 3,460 | $358 | $87.47 | $77.84 - $97.70 |
| Q3 2019 | 4,132 | $368 | $81.78 | $74.31 - $88.66 |
| Q2 2019 | 5,143 | $469 | $76.63 | $71.16 - $83.47 |
| Q1 2019 | 9,280 | $773 | $67.58 | $51.63 - $78.46 |
| Q4 2018 | 4,640 | $287 | $62.18 | $48.12 - $70.66 |