Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 49,862 | $3,816 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 40,710 | $3,141 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 39,062 | $3,285 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 31,235 | $2,960 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 3,364 | $370 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 5,919 | $669 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 8,361 | $1,033 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 8,036 | $1,036 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 6,561 | $809 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 6,454 | $660 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 3,309 | $332 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 6,269 | $644 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 3,236 | $333 | $96.50 | $78.79 - $110.27 |
| Q1 2022 | 2,710 | $251 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 2,684 | $242 | $82.93 | $76.29 - $89.94 |
| Q2 2019 | 7,056 | $644 | $76.63 | $71.16 - $83.47 |
| Q2 2015 | 10,844 | $488 | $38.87 | $36.94 - $40.69 |
| Q1 2015 | 5,561 | $258 | $37.07 | $33.21 - $40.57 |
| Q4 2014 | 6,352 | $271 | $35.30 | $30.04 - $40.52 |