Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 6,086 | $466 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 5,872 | $453 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 4,620 | $388 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 3,630 | $344 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 3,639 | $401 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 3,651 | $413 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 2,832 | $350 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 2,761 | $356 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 3,129 | $386 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 3,001 | $307 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 3,100 | $311 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 2,661 | $273 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 2,294 | $236 | $96.50 | $78.79 - $110.27 |
| Q3 2022 | 2,414 | $207 | $89.51 | $80.19 - $98.62 |
| Q2 2022 | 2,222 | $213 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 2,549 | $236 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 2,769 | $250 | $82.93 | $76.29 - $89.94 |
| Q3 2021 | 2,772 | $233 | $83.46 | $75.85 - $90.38 |
| Q2 2021 | 5,412 | $490 | $92.53 | $83.80 - $100.29 |
| Q1 2021 | 5,248 | $539 | $92.10 | $80.91 - $99.72 |
| Q4 2020 | 4,836 | $439 | $71.95 | $57.19 - $85.43 |
| Q4 2017 | 827 | $58 | $59.54 | $53.90 - $66.58 |