Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 3,632 | $278 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 5,237 | $404 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 3,233 | $272 | $86.03 | $78.60 - $94.32 |
| Q4 2019 | 20,667 | $2,138 | $87.47 | $77.84 - $97.70 |
| Q3 2019 | 33,865 | $3,019 | $81.78 | $74.31 - $88.66 |
| Q2 2019 | 58,428 | $5,331 | $76.63 | $71.16 - $83.47 |
| Q1 2019 | 48,273 | $4,024 | $67.58 | $51.63 - $78.46 |
| Q4 2018 | 21,904 | $1,353 | $62.18 | $48.12 - $70.66 |
| Q3 2018 | 35,686 | $2,728 | $70.20 | $64.67 - $74.99 |
| Q2 2018 | 20,064 | $1,542 | $67.39 | $59.37 - $73.05 |
| Q1 2018 | 16,266 | $1,116 | $62.31 | $55.67 - $66.49 |