Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 32,525 | $2,489 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 33,673 | $2,598 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 21,566 | $1,813 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 21,613 | $2,048 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 21,856 | $2,405 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 22,273 | $2,519 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 22,894 | $2,829 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 23,769 | $3,065 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 32,849 | $4 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 31,492 | $3 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 31,664 | $3 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 31,580 | $3 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 31,397 | $3,229 | $96.50 | $78.79 - $110.27 |
| Q3 2022 | 31,394 | $2,690 | $89.51 | $80.19 - $98.62 |
| Q2 2022 | 31,400 | $3,008 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 32,941 | $3,049 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 31,624 | $2,857 | $82.93 | $76.29 - $89.94 |
| Q3 2021 | 30,234 | $2,546 | $83.46 | $75.85 - $90.38 |
| Q2 2021 | 29,262 | $2,651 | $92.53 | $83.80 - $100.29 |
| Q1 2021 | 29,374 | $3,016 | $92.10 | $80.91 - $99.72 |
| Q4 2020 | 31,476 | $2,856 | $71.95 | $57.19 - $85.43 |
| Q3 2020 | 31,485 | $1,994 | $68.67 | $56.85 - $78.17 |
| Q2 2020 | 19,396 | $1,498 | $67.35 | $57.02 - $79.77 |