Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2025 | 118,161 | $9,936 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 97,941 | $9,280 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 100,675 | $11,080 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 84,750 | $9,584 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 88,208 | $10,902 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 85,821 | $11,066 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 87,043 | $10,727 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 87,908 | $8,984 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 88,453 | $8,884 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 88,033 | $9 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 86,945 | $9 | $96.50 | $78.79 - $110.27 |
| Q2 2022 | 51,417 | $4,924 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 36,554 | $3,382 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 36,463 | $3,294 | $82.93 | $76.29 - $89.94 |
| Q3 2021 | 34,822 | $2,933 | $83.46 | $75.85 - $90.38 |
| Q2 2021 | 33,928 | $3,074 | $92.53 | $83.80 - $100.29 |
| Q1 2021 | 51,672 | $5,306 | $92.10 | $80.91 - $99.72 |
| Q4 2020 | 32,468 | $2,946 | $71.95 | $57.19 - $85.43 |
| Q3 2020 | 33,061 | $2,094 | $68.67 | $56.85 - $78.17 |
| Q2 2020 | 9,881 | $764 | $67.35 | $57.02 - $79.77 |
| Q1 2020 | 9,613 | $668 | $83.79 | $52.02 - $98.93 |
| Q4 2019 | 8,151 | $843 | $87.47 | $77.84 - $97.70 |
| Q3 2019 | 8,671 | $773 | $81.78 | $74.31 - $88.66 |
| Q3 2016 | 5,117 | $311 | $48.99 | $39.67 - $53.81 |
| Q2 2016 | 60,765 | $2,795 | $41.52 | $37.19 - $44.47 |
| Q1 2016 | 107,297 | $4,652 | $40.40 | $36.39 - $46.84 |
| Q4 2015 | 304,211 | $16,522 | $48.12 | $40.31 - $52.05 |
| Q3 2015 | 598,921 | $27,856 | $39.87 | $35.73 - $44.30 |
| Q2 2015 | 617,645 | $27,819 | $38.87 | $36.94 - $40.69 |
| Q1 2015 | 618,327 | $28,684 | $37.07 | $33.21 - $40.57 |
| Q4 2014 | 617,033 | $26,347 | $35.30 | $30.04 - $40.52 |
| Q3 2014 | 573,304 | $20,582 | $34.84 | $30.82 - $37.97 |
| Q2 2014 | 446,637 | $19,281 | $36.87 | $34.10 - $39.69 |
| Q1 2014 | 472,036 | $21,350 | $37.58 | $34.73 - $40.51 |
| Q4 2013 | 452,101 | $20,896 | $38.90 | $36.04 - $42.14 |
| Q3 2013 | 486,749 | $22,712 | $36.35 | $33.62 - $39.43 |
| Q2 2013 | 506,348 | $20,345 | $35.20 | $33.13 - $38.11 |
| Q1 2013 | 531,360 | $23,529 | $34.25 | $29.32 - $37.57 |