Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 11,622 | $890 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 13,089 | $1,010 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 22,056 | $1,855 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 26,192 | $2,482 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 27,383 | $3,014 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 28,363 | $3,208 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 12,818 | $1,584 | $121.30 | $115.10 - $129.23 |
| Q3 2020 | 3,651 | $231 | $68.67 | $56.85 - $78.17 |
| Q2 2020 | 2,741 | $212 | $67.35 | $57.02 - $79.77 |
| Q4 2019 | 2,442 | $253 | $87.47 | $77.84 - $97.70 |
| Q3 2019 | 125,287 | $11,168 | $81.78 | $74.31 - $88.66 |
| Q2 2019 | 131,603 | $12,007 | $76.63 | $71.16 - $83.47 |
| Q1 2019 | 30,538 | $2,545 | $67.58 | $51.63 - $78.46 |
| Q4 2018 | 12,410 | $766 | $62.18 | $48.12 - $70.66 |
| Q3 2018 | 12,410 | $952 | $70.20 | $64.67 - $74.99 |
| Q2 2018 | 12,410 | $950 | $67.39 | $59.37 - $73.05 |
| Q3 2016 | 7,675 | $467 | $48.99 | $39.67 - $53.81 |
| Q2 2016 | 21,584 | $993 | $41.52 | $37.19 - $44.47 |
| Q1 2016 | 10,439 | $453 | $40.40 | $36.39 - $46.84 |