Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 157 | $12 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 157 | $12 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 157 | $13 | $86.03 | $78.60 - $94.32 |
| Q3 2023 | 20 | $2 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 20 | $2 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 20 | $2 | $102.60 | $90.19 - $110.59 |
| Q3 2015 | 43,355 | $2,016 | $39.87 | $35.73 - $44.30 |
| Q2 2015 | 43,355 | $1,953 | $38.87 | $36.94 - $40.69 |
| Q1 2015 | 41,112 | $1,907 | $37.07 | $33.21 - $40.57 |