Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 42,876 | $3,282 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 42,876 | $3,308 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 13,443 | $1,130 | $86.03 | $78.60 - $94.32 |
| Q3 2024 | 6,854 | $775 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 15,499 | $1,916 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 13,166 | $1,698 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 11,245 | $1,386 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 11,135 | $1,138 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 11,157 | $1,121 | $95.78 | $88.08 - $103.21 |
| Q2 2020 | 3,427 | $265 | $67.35 | $57.02 - $79.77 |
| Q1 2016 | 12,144 | $527 | $40.40 | $36.39 - $46.84 |
| Q1 2015 | 8,160 | $379 | $37.07 | $33.21 - $40.57 |
| Q3 2014 | 12,322 | $442 | $34.84 | $30.82 - $37.97 |
| Q2 2013 | 5,483 | $220 | $35.20 | $33.13 - $38.11 |