Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 14,847 | $1,142 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 15,031 | $1,156 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 11,857 | $1,004 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 7,398 | $700 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 7,190 | $792 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 8,452 | $952 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 8,502 | $1,056 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 8,617 | $1,111 | $117.37 | $110.33 - $126.78 |
| Q3 2023 | 2,046 | $210 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 6,571 | $667 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 7,101 | $725 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 6,004 | $619 | $96.50 | $78.79 - $110.27 |
| Q2 2022 | 7,232 | $692 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 9,927 | $923 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 15,548 | $1,411 | $82.93 | $76.29 - $89.94 |
| Q3 2021 | 7,752 | $654 | $83.46 | $75.85 - $90.38 |
| Q2 2021 | 7,239 | $655 | $92.53 | $83.80 - $100.29 |
| Q1 2021 | 5,732 | $591 | $92.10 | $80.91 - $99.72 |
| Q4 2020 | 17,462 | $1,581 | $71.95 | $57.19 - $85.43 |
| Q3 2020 | 15,466 | $987 | $68.67 | $56.85 - $78.17 |
| Q2 2020 | 10,016 | $774 | $67.35 | $57.02 - $79.77 |
| Q1 2020 | 6,411 | $445 | $83.79 | $52.02 - $98.93 |
| Q4 2019 | 14,192 | $1,473 | $87.47 | $77.84 - $97.70 |
| Q3 2019 | 44,079 | $3,929 | $81.78 | $74.31 - $88.66 |
| Q2 2019 | 56,941 | $5,195 | $76.63 | $71.16 - $83.47 |
| Q1 2019 | 57,164 | $4,765 | $67.58 | $51.63 - $78.46 |
| Q4 2018 | 65,831 | $4,066 | $62.18 | $48.12 - $70.66 |
| Q3 2018 | 52,943 | $4,064 | $70.20 | $64.67 - $74.99 |
| Q2 2018 | 52,933 | $4,052 | $67.39 | $59.37 - $73.05 |
| Q1 2018 | 30,060 | $2,062 | $62.31 | $55.67 - $66.49 |
| Q4 2016 | 4,827 | $331 | $56.82 | $47.94 - $64.99 |