Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2024 | 13,458 | $1,735 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 13,578 | $1,673 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 13,691 | $1,399 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 13,399 | $1,346 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 13,518 | $1,388 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 13,458 | $1,384 | $96.50 | $78.79 - $110.27 |
| Q3 2022 | 13,566 | $1,162 | $89.51 | $80.19 - $98.62 |
| Q2 2022 | 13,420 | $1,286 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 14,063 | $1,302 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 14,926 | $1,348 | $82.93 | $76.29 - $89.94 |
| Q3 2021 | 15,405 | $1,297 | $83.46 | $75.85 - $90.38 |
| Q2 2021 | 15,937 | $1,444 | $92.53 | $83.80 - $100.29 |
| Q1 2021 | 16,307 | $1,675 | $92.10 | $80.91 - $99.72 |
| Q4 2020 | 16,490 | $1,496 | $71.95 | $57.19 - $85.43 |
| Q3 2020 | 16,902 | $1,070 | $68.67 | $56.85 - $78.17 |
| Q2 2020 | 17,317 | $1,338 | $67.35 | $57.02 - $79.77 |
| Q1 2020 | 16,739 | $1,163 | $83.79 | $52.02 - $98.93 |
| Q4 2019 | 17,571 | $1,818 | $87.47 | $77.84 - $97.70 |
| Q3 2019 | 18,044 | $1,608 | $81.78 | $74.31 - $88.66 |
| Q2 2019 | 18,247 | $1,665 | $76.63 | $71.16 - $83.47 |
| Q1 2019 | 18,334 | $1,528 | $67.58 | $51.63 - $78.46 |
| Q4 2018 | 18,832 | $1,163 | $62.18 | $48.12 - $70.66 |
| Q3 2018 | 19,054 | $1,462 | $70.20 | $64.67 - $74.99 |
| Q2 2018 | 18,694 | $1,431 | $67.39 | $59.37 - $73.05 |
| Q1 2018 | 15,324 | $1,051 | $62.31 | $55.67 - $66.49 |
| Q4 2017 | 19,079 | $1,347 | $59.54 | $53.90 - $66.58 |
| Q3 2017 | 19,003 | $1,172 | $53.37 | $48.20 - $59.20 |
| Q2 2017 | 17,971 | $1,178 | $57.04 | $53.20 - $62.50 |
| Q1 2017 | 14,216 | $920 | $59.26 | $51.41 - $66.19 |
| Q4 2016 | 17,364 | $1,189 | $56.82 | $47.94 - $64.99 |
| Q3 2016 | 17,621 | $1,071,533 | $48.99 | $39.67 - $53.81 |
| Q2 2016 | 17,634 | $810,988 | $41.52 | $37.19 - $44.47 |
| Q1 2016 | 18,259 | $792,000 | $40.40 | $36.39 - $46.84 |
| Q4 2015 | 17,443 | $948,000 | $48.12 | $40.31 - $52.05 |
| Q3 2015 | 17,266 | $803 | $39.87 | $35.73 - $44.30 |
| Q2 2015 | 14,205 | $639,793 | $38.87 | $36.94 - $40.69 |
| Q1 2015 | 15,334 | $711,344 | $37.07 | $33.21 - $40.57 |
| Q4 2014 | 15,334 | $654,762 | $35.30 | $30.04 - $40.52 |
| Q3 2014 | 15,940 | $572,246 | $34.84 | $30.82 - $37.97 |
| Q2 2014 | 15,952 | $688,648 | $36.87 | $34.10 - $39.69 |
| Q1 2014 | 15,980 | $722,775 | $37.58 | $34.73 - $40.51 |
| Q4 2013 | 15,596 | $720,847 | $38.90 | $36.04 - $42.14 |
| Q3 2013 | 15,752 | $734,988 | $36.35 | $33.62 - $39.43 |
| Q2 2013 | 15,989 | $642,438 | $35.20 | $33.13 - $38.11 |