Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 6,001 | $459 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 4,615 | $356 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 4,899 | $412 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 6,616 | $627 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 5,429 | $598 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 5,103 | $577 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 4,725 | $584 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 5,025 | $648 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 5,295 | $653 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 6,005 | $614 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 6,040 | $607 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 5,660 | $581 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 6,070 | $624 | $96.50 | $78.79 - $110.27 |
| Q3 2022 | 5,835 | $500 | $89.51 | $80.19 - $98.62 |
| Q2 2022 | 5,845 | $560 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 5,100 | $472 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 5,290 | $478 | $82.93 | $76.29 - $89.94 |