Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 150,851 | $11,546 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 258,107 | $19,915 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 255,419 | $21,478 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 474,518 | $45,174 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 467,938 | $51,502 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 463,411 | $52,406 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 554,221 | $68,496 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 578,958 | $74,648 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 581,053 | $71,610 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 580,137 | $59,289 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 638,613 | $64,141 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 564,177 | $57,923 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 438,392 | $45,093 | $96.50 | $78.79 - $110.27 |
| Q3 2022 | 507,568 | $43,483 | $89.51 | $80.19 - $98.62 |
| Q2 2022 | 612,345 | $58,657 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 794,339 | $73,516 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 909,060 | $82,125 | $82.93 | $76.29 - $89.94 |
| Q3 2021 | 904,299 | $76,160 | $83.46 | $75.85 - $90.38 |
| Q2 2021 | 827,980 | $75,023 | $92.53 | $83.80 - $100.29 |
| Q1 2021 | 765,854 | $78,646 | $92.10 | $80.91 - $99.72 |
| Q4 2020 | 806,049 | $73,133 | $71.95 | $57.19 - $85.43 |
| Q3 2020 | 753,528 | $47,713 | $68.67 | $56.85 - $78.17 |
| Q2 2020 | 595,672 | $46,016 | $67.35 | $57.02 - $79.77 |
| Q1 2020 | 535,678 | $37,224 | $83.79 | $52.02 - $98.93 |
| Q4 2019 | 522,147 | $54,011 | $87.47 | $77.84 - $97.70 |
| Q3 2019 | 522,147 | $46,544 | $81.78 | $74.31 - $88.66 |
| Q2 2019 | 420,997 | $38,412 | $76.63 | $71.16 - $83.47 |
| Q1 2019 | 207,324 | $17,280 | $67.58 | $51.63 - $78.46 |