Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 6,713 | $532 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 7,694 | $594 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 9,275 | $780 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 9,234 | $875 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 9,470 | $1,042 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 9,721 | $1,099 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 10,000 | $1,236 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 11,243 | $1,450 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 12,295 | $1,515 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 12,730 | $1,301 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 13,550 | $1,361 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 14,327 | $1,471 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 16,157 | $1,662 | $96.50 | $78.79 - $110.27 |
| Q3 2022 | 20,032 | $1,716 | $89.51 | $80.19 - $98.62 |
| Q2 2022 | 20,305 | $1,945 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 22,730 | $2,104 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 22,515 | $2,034 | $82.93 | $76.29 - $89.94 |