Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2024 | 1,306 | $168 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 1,437 | $177 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 1,437 | $147 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 1,359 | $136 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 1,314 | $135 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 1,531 | $157 | $96.50 | $78.79 - $110.27 |
| Q3 2022 | 1,492 | $128 | $89.51 | $80.19 - $98.62 |
| Q2 2022 | 1,492 | $143 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 1,492 | $138 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 6,369 | $575 | $82.93 | $76.29 - $89.94 |
| Q3 2021 | 6,865 | $578 | $83.46 | $75.85 - $90.38 |
| Q2 2021 | 6,865 | $622 | $92.53 | $83.80 - $100.29 |
| Q1 2021 | 6,420 | $659 | $92.10 | $80.91 - $99.72 |
| Q4 2020 | 6,744 | $612 | $71.95 | $57.19 - $85.43 |
| Q3 2020 | 7,399 | $469 | $68.67 | $56.85 - $78.17 |
| Q2 2020 | 7,563 | $584 | $67.35 | $57.02 - $79.77 |
| Q1 2020 | 7,163 | $498 | $83.79 | $52.02 - $98.93 |
| Q4 2019 | 7,533 | $779 | $87.47 | $77.84 - $97.70 |
| Q3 2019 | 7,681 | $685 | $81.78 | $74.31 - $88.66 |
| Q2 2019 | 7,681 | $701 | $76.63 | $71.16 - $83.47 |
| Q1 2019 | 7,681 | $640 | $67.58 | $51.63 - $78.46 |
| Q4 2018 | 7,681 | $474 | $62.18 | $48.12 - $70.66 |
| Q3 2018 | 7,681 | $590 | $70.20 | $64.67 - $74.99 |
| Q2 2018 | 7,681 | $587,981 | $67.39 | $59.37 - $73.05 |
| Q1 2018 | 7,681 | $526,917 | $62.31 | $55.67 - $66.49 |
| Q4 2017 | 7,541 | $532 | $59.54 | $53.90 - $66.58 |
| Q3 2017 | 16,121 | $994 | $53.37 | $48.20 - $59.20 |
| Q2 2017 | 16,634 | $1,090 | $57.04 | $53.20 - $62.50 |
| Q1 2017 | 16,179 | $1,048 | $59.26 | $51.41 - $66.19 |
| Q4 2016 | 16,179 | $1,108 | $56.82 | $47.94 - $64.99 |
| Q3 2016 | 16,594 | $1,009 | $48.99 | $39.67 - $53.81 |
| Q2 2016 | 16,594 | $763 | $41.52 | $37.19 - $44.47 |
| Q1 2016 | 16,594 | $720 | $40.40 | $36.39 - $46.84 |
| Q4 2015 | 16,594 | $901 | $48.12 | $40.31 - $52.05 |
| Q3 2015 | 16,594 | $772 | $39.87 | $35.73 - $44.30 |
| Q2 2015 | 18,392 | $828 | $38.87 | $36.94 - $40.69 |
| Q1 2015 | 19,349 | $898 | $37.07 | $33.21 - $40.57 |
| Q4 2014 | 19,566 | $835 | $35.30 | $30.04 - $40.52 |
| Q3 2014 | 19,566 | $702 | $34.84 | $30.82 - $37.97 |
| Q2 2014 | 19,566 | $845 | $36.87 | $34.10 - $39.69 |
| Q1 2014 | 19,566 | $885 | $37.58 | $34.73 - $40.51 |
| Q4 2013 | 19,566 | $904 | $38.90 | $36.04 - $42.14 |
| Q3 2013 | 19,413 | $906 | $36.35 | $33.62 - $39.43 |
| Q2 2013 | 19,613 | $788 | $35.20 | $33.13 - $38.11 |