Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 84,425 | $6,462 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 62,398 | $4,815 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 60,010 | $5,046 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 6,201 | $588 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 56,981 | $6 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 60,341 | $7 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 36,975 | $5 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 33,134 | $4 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 10,653 | $1 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 16,305 | $2 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 13,492 | $1 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 13,670 | $1 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 13,671 | $1 | $96.50 | $78.79 - $110.27 |
| Q3 2022 | 12,830 | $1,099 | $89.51 | $80.19 - $98.62 |
| Q2 2022 | 4,017 | $385 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 5,083 | $470 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 4,737 | $428 | $82.93 | $76.29 - $89.94 |
| Q3 2021 | 3,964 | $334 | $83.46 | $75.85 - $90.38 |
| Q2 2021 | 3,224 | $292 | $92.53 | $83.80 - $100.29 |
| Q1 2021 | 2,743 | $282 | $92.10 | $80.91 - $99.72 |
| Q4 2020 | 2,241 | $203 | $71.95 | $57.19 - $85.43 |
| Q3 2018 | 2,873 | $221 | $70.20 | $64.67 - $74.99 |
| Q2 2018 | 4,939 | $378 | $67.39 | $59.37 - $73.05 |
| Q1 2018 | 5,372 | $369 | $62.31 | $55.67 - $66.49 |
| Q4 2017 | 8,296 | $586 | $59.54 | $53.90 - $66.58 |
| Q2 2016 | 3,385 | $156 | $41.52 | $37.19 - $44.47 |
| Q1 2016 | 2,974 | $129 | $40.40 | $36.39 - $46.84 |
| Q4 2015 | 2,221 | $121 | $48.12 | $40.31 - $52.05 |
| Q3 2015 | 2,985 | $139 | $39.87 | $35.73 - $44.30 |
| Q2 2015 | 952 | $43 | $38.87 | $36.94 - $40.69 |
| Q1 2015 | 740 | $34 | $37.07 | $33.21 - $40.57 |
| Q4 2014 | 718 | $31 | $35.30 | $30.04 - $40.52 |
| Q3 2014 | 889 | $32 | $34.84 | $30.82 - $37.97 |
| Q2 2014 | 876 | $38 | $36.87 | $34.10 - $39.69 |
| Q1 2014 | 876 | $40 | $37.58 | $34.73 - $40.51 |
| Q4 2013 | 879 | $41 | $38.90 | $36.04 - $42.14 |
| Q3 2013 | 2,956 | $138 | $36.35 | $33.62 - $39.43 |
| Q2 2013 | 1,589 | $64 | $35.20 | $33.13 - $38.11 |