Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 71 | $0 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 71 | $0 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 87 | $0 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 446 | $0 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 145,575 | $16 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 140,489 | $16 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 140,766 | $17 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 121,921 | $16 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 118,146 | $15 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 93,666 | $10 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 86,285 | $9 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 78,029 | $8 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 75,598 | $8 | $96.50 | $78.79 - $110.27 |
| Q3 2022 | 59,903 | $5,132 | $89.51 | $80.19 - $98.62 |
| Q2 2022 | 41,463 | $3,972 | $91.85 | $81.71 - $101.29 |
| Q2 2020 | 6,000 | $464 | $67.35 | $57.02 - $79.77 |
| Q1 2020 | 6,000 | $417 | $83.79 | $52.02 - $98.93 |
| Q4 2019 | 5,000 | $517 | $87.47 | $77.84 - $97.70 |
| Q3 2018 | 28 | $2 | $70.20 | $64.67 - $74.99 |
| Q3 2017 | 4,000 | $247 | $53.37 | $48.20 - $59.20 |
| Q2 2017 | 4,800 | $315 | $57.04 | $53.20 - $62.50 |
| Q1 2017 | 10,900 | $706 | $59.26 | $51.41 - $66.19 |
| Q4 2016 | 30,400 | $2,082 | $56.82 | $47.94 - $64.99 |
| Q3 2016 | 30,758 | $1,870 | $48.99 | $39.67 - $53.81 |