Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 19,045 | $1,458 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 24,530 | $1,893 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 19,441 | $1,635 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 7,728 | $732 | $103.54 | $91.98 - $114.58 |
| Q3 2024 | 11,123 | $1,258 | $113.17 | $101.07 - $129.81 |
| Q2 2022 | 6,315 | $605 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 10,016 | $927 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 18,665 | $1,686 | $82.93 | $76.29 - $89.94 |
| Q3 2021 | 15,663 | $1,319 | $83.46 | $75.85 - $90.38 |
| Q2 2021 | 6,728 | $610 | $92.53 | $83.80 - $100.29 |
| Q1 2021 | 10,731 | $1,102 | $92.10 | $80.91 - $99.72 |
| Q4 2020 | 9,811 | $890 | $71.95 | $57.19 - $85.43 |
| Q1 2019 | 2,566 | $214 | $67.58 | $51.63 - $78.46 |
| Q3 2018 | 4,556 | $350 | $70.20 | $64.67 - $74.99 |
| Q4 2017 | 5,599 | $395 | $59.54 | $53.90 - $66.58 |