Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 6,134 | $469 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 6,324 | $488 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 6,408 | $539 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 5,969 | $566 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 5,325 | $586 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 5,331 | $603 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 5,373 | $664 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 5,370 | $692 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 5,366 | $661 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 16,624 | $1,699 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 28,111 | $2,823 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 26,222 | $2,692 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 26,504 | $3 | $96.50 | $78.79 - $110.27 |
| Q3 2022 | 22,588 | $1,935 | $89.51 | $80.19 - $98.62 |
| Q2 2022 | 22,621 | $2,167 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 21,248 | $1,967 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 18,628 | $1,683 | $82.93 | $76.29 - $89.94 |
| Q3 2021 | 18,684 | $1,574 | $83.46 | $75.85 - $90.38 |
| Q2 2021 | 18,885 | $1,711 | $92.53 | $83.80 - $100.29 |
| Q1 2021 | 18,971 | $1,948 | $92.10 | $80.91 - $99.72 |
| Q4 2020 | 19,041 | $1,728 | $71.95 | $57.19 - $85.43 |
| Q3 2020 | 19,059 | $1,207 | $68.67 | $56.85 - $78.17 |
| Q2 2020 | 12,363 | $955 | $67.35 | $57.02 - $79.77 |
| Q1 2020 | 12,325 | $856 | $83.79 | $52.02 - $98.93 |
| Q4 2019 | 8,305 | $859 | $87.47 | $77.84 - $97.70 |
| Q3 2019 | 8,305 | $740 | $81.78 | $74.31 - $88.66 |
| Q2 2019 | 8,384 | $765 | $76.63 | $71.16 - $83.47 |
| Q1 2019 | 8,386 | $699 | $67.58 | $51.63 - $78.46 |
| Q4 2018 | 8,375 | $517 | $62.18 | $48.12 - $70.66 |
| Q3 2018 | 5,829 | $447 | $70.20 | $64.67 - $74.99 |
| Q2 2018 | 5,162 | $395 | $67.39 | $59.37 - $73.05 |