Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 4,103 | $314 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 16,971 | $1,309 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 31,052 | $2,611 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 15,996 | $1,516 | $103.54 | $91.98 - $114.58 |
| Q3 2024 | 11,443 | $1,294 | $113.17 | $101.07 - $129.81 |
| Q3 2021 | 1,967 | $165 | $83.46 | $75.85 - $90.38 |
| Q2 2021 | 99 | $8 | $92.53 | $83.80 - $100.29 |
| Q1 2021 | 341 | $35 | $92.10 | $80.91 - $99.72 |
| Q3 2020 | 7,582 | $480 | $68.67 | $56.85 - $78.17 |
| Q2 2020 | 771 | $59 | $67.35 | $57.02 - $79.77 |
| Q1 2020 | 19 | $1 | $83.79 | $52.02 - $98.93 |
| Q3 2018 | 1,298 | $99 | $70.20 | $64.67 - $74.99 |
| Q1 2017 | 4,892 | $316 | $59.26 | $51.41 - $66.19 |
| Q3 2016 | 1,328 | $80 | $48.99 | $39.67 - $53.81 |
| Q2 2016 | 2,516 | $115 | $41.52 | $37.19 - $44.47 |
| Q1 2016 | 4,027 | $174 | $40.40 | $36.39 - $46.84 |
| Q4 2015 | 299 | $16 | $48.12 | $40.31 - $52.05 |