Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 2,356,503 | $179,754 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 2,391,749 | $183,758 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 2,483,185 | $216,211 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 2,404,825 | $227,352 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 2,385,807 | $256,808 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 2,405,770 | $272,069 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 2,300,459 | $284,314 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 2,318,589 | $298,959 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 2,337,644 | $288,091 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 2,400,328 | $245,314 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 2,443,193 | $245,394 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 2,470,259 | $253,621 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 2,444,852 | $251,477 | $96.50 | $78.79 - $110.27 |
| Q3 2022 | 2,409,000 | $206,378 | $89.51 | $80.19 - $98.62 |
| Q2 2022 | 2,419,734 | $231,785 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 2,564,590 | $237,352 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 2,434,052 | $219,891 | $82.93 | $76.29 - $89.94 |