Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 129 | $9 | $75.03 | $70.10 - $79.81 |
| Q2 2024 | 10,921 | $1,350 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 3,651 | $471 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 3,287 | $405 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 3,397 | $347 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 5,968 | $599 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 5,124 | $526 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 5,847 | $601 | $96.50 | $78.79 - $110.27 |
| Q3 2022 | 8,616 | $738 | $89.51 | $80.19 - $98.62 |
| Q2 2022 | 8,696 | $833 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 9,292 | $860 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 8,797 | $795 | $82.93 | $76.29 - $89.94 |
| Q3 2021 | 11,466 | $966 | $83.46 | $75.85 - $90.38 |
| Q2 2021 | 11,466 | $1,039 | $92.53 | $83.80 - $100.29 |
| Q1 2021 | 11,966 | $1,229 | $92.10 | $80.91 - $99.72 |
| Q4 2020 | 21,121 | $1,916 | $71.95 | $57.19 - $85.43 |
| Q3 2020 | 26,541 | $1,681 | $68.67 | $56.85 - $78.17 |
| Q2 2020 | 50,601 | $3,909 | $67.35 | $57.02 - $79.77 |
| Q1 2020 | 52,419 | $3,643 | $83.79 | $52.02 - $98.93 |
| Q4 2019 | 52,689 | $5,450 | $87.47 | $77.84 - $97.70 |
| Q3 2019 | 46,604 | $4,154 | $81.78 | $74.31 - $88.66 |
| Q2 2019 | 12,825 | $1,170 | $76.63 | $71.16 - $83.47 |
| Q1 2019 | 13,895 | $1,158 | $67.58 | $51.63 - $78.46 |
| Q4 2018 | 13,795 | $852 | $62.18 | $48.12 - $70.66 |
| Q3 2018 | 14,195 | $1,089 | $70.20 | $64.67 - $74.99 |
| Q2 2018 | 14,325 | $1,097 | $67.39 | $59.37 - $73.05 |
| Q1 2018 | 16,105 | $1,105 | $62.31 | $55.67 - $66.49 |
| Q4 2017 | 16,105 | $1,137 | $59.54 | $53.90 - $66.58 |
| Q3 2017 | 13,215 | $815 | $53.37 | $48.20 - $59.20 |
| Q2 2017 | 13,135 | $861 | $57.04 | $53.20 - $62.50 |
| Q1 2017 | 21,620 | $1,400 | $59.26 | $51.41 - $66.19 |
| Q4 2016 | 21,420 | $1,467 | $56.82 | $47.94 - $64.99 |
| Q3 2016 | 21,420 | $1,303 | $48.99 | $39.67 - $53.81 |
| Q2 2016 | 21,920 | $1,008 | $41.52 | $37.19 - $44.47 |