Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 82,098 | $6,284 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 79,459 | $6,131 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 79,158 | $6,656 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 79,098 | $7,495 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 79,072 | $8,703 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 78,246 | $8,849 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 77,389 | $9,565 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 48,344 | $6,233 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 49,113 | $6,053 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 38,957 | $3,981 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 38,893 | $3,906 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 8,996 | $924 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 8,996 | $925 | $96.50 | $78.79 - $110.27 |
| Q3 2022 | 10,652 | $913 | $89.51 | $80.19 - $98.62 |
| Q2 2022 | 13,697 | $1,312 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 9,242 | $855 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 10,984 | $992 | $82.93 | $76.29 - $89.94 |
| Q3 2021 | 10,984 | $925 | $83.46 | $75.85 - $90.38 |
| Q2 2021 | 10,984 | $995 | $92.53 | $83.80 - $100.29 |
| Q1 2021 | 12,862 | $1,321 | $92.10 | $80.91 - $99.72 |
| Q4 2020 | 12,862 | $1,167 | $71.95 | $57.19 - $85.43 |
| Q3 2020 | 13,738 | $870 | $68.67 | $56.85 - $78.17 |
| Q2 2020 | 21,946 | $1,695 | $67.35 | $57.02 - $79.77 |
| Q1 2020 | 19,066 | $1,325 | $83.79 | $52.02 - $98.93 |
| Q4 2019 | 539 | $56 | $87.47 | $77.84 - $97.70 |
| Q3 2019 | 605 | $54 | $81.78 | $74.31 - $88.66 |
| Q2 2019 | 3,535 | $323 | $76.63 | $71.16 - $83.47 |
| Q1 2019 | 3,535 | $295 | $67.58 | $51.63 - $78.46 |
| Q4 2018 | 1,723 | $106 | $62.18 | $48.12 - $70.66 |
| Q2 2017 | 159 | $10 | $57.04 | $53.20 - $62.50 |
| Q1 2017 | 151 | $10 | $59.26 | $51.41 - $66.19 |
| Q4 2016 | 151 | $10 | $56.82 | $47.94 - $64.99 |
| Q3 2016 | 151 | $9 | $48.99 | $39.67 - $53.81 |