Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 5,717 | $438 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 4,918 | $379 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 4,544 | $382 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 4,426 | $419 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 3,221 | $355 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 5,603 | $634 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 5,164 | $638 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 4,071 | $525 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 3,297 | $406 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 3,843 | $393 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 3,811 | $383 | $95.78 | $88.08 - $103.21 |
| Q2 2022 | 21,008 | $2,012 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 79,488 | $7,357 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 99,348 | $8,975 | $82.93 | $76.29 - $89.94 |
| Q3 2021 | 84,034 | $7,077 | $83.46 | $75.85 - $90.38 |
| Q2 2021 | 72,756 | $6,592 | $92.53 | $83.80 - $100.29 |
| Q1 2021 | 63,951 | $6,567 | $92.10 | $80.91 - $99.72 |
| Q4 2020 | 29,721 | $2,697 | $71.95 | $57.19 - $85.43 |
| Q3 2020 | 39,774 | $2,518 | $68.67 | $56.85 - $78.17 |
| Q2 2020 | 37,454 | $2,893 | $67.35 | $57.02 - $79.77 |
| Q1 2020 | 27,184 | $1,889 | $83.79 | $52.02 - $98.93 |
| Q4 2019 | 45,800 | $4,738 | $87.47 | $77.84 - $97.70 |
| Q3 2019 | 43,400 | $3,869 | $81.78 | $74.31 - $88.66 |
| Q2 2019 | 10,600 | $967 | $76.63 | $71.16 - $83.47 |
| Q1 2019 | 13,000 | $1,084 | $67.58 | $51.63 - $78.46 |
| Q4 2018 | 57,070 | $3,525 | $62.18 | $48.12 - $70.66 |
| Q3 2018 | 87,938 | $6,750 | $70.20 | $64.67 - $74.99 |
| Q2 2018 | 69,615 | $5,329 | $67.39 | $59.37 - $73.05 |
| Q1 2018 | 28,251 | $1,939 | $62.31 | $55.67 - $66.49 |