Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2025 | 4,215 | $325 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 22,773 | $1,915 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 13,315 | $1,262 | $103.54 | $91.98 - $114.58 |
| Q3 2024 | 14,868 | $1,681 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 21,141 | $2,613 | $121.30 | $115.10 - $129.23 |
| Q2 2023 | 20,785 | $2,088 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 21,389 | $2 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 33,161 | $3 | $96.50 | $78.79 - $110.27 |
| Q3 2022 | 25,992 | $2,227 | $89.51 | $80.19 - $98.62 |
| Q2 2022 | 25,482 | $2,441 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 14,205 | $1,315 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 6,468 | $584 | $82.93 | $76.29 - $89.94 |
| Q3 2021 | 14,605 | $1,230 | $83.46 | $75.85 - $90.38 |
| Q3 2020 | 4,698 | $297 | $68.67 | $56.85 - $78.17 |
| Q1 2017 | 3,700 | $240 | $59.26 | $51.41 - $66.19 |
| Q1 2016 | 14,900 | $646 | $40.40 | $36.39 - $46.84 |
| Q4 2015 | 6,500 | $353 | $48.12 | $40.31 - $52.05 |
| Q3 2015 | 6,700 | $312 | $39.87 | $35.73 - $44.30 |
| Q2 2015 | 9,200 | $414 | $38.87 | $36.94 - $40.69 |
| Q1 2015 | 8,020 | $372 | $37.07 | $33.21 - $40.57 |
| Q4 2014 | 7,263 | $310 | $35.30 | $30.04 - $40.52 |
| Q4 2013 | 12,000 | $555 | $38.90 | $36.04 - $42.14 |