Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 19,699 | $1,508 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 16,345 | $1,261 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 14,952 | $1,257 | $86.03 | $78.60 - $94.32 |
| Q1 2018 | 3,512 | $241 | $62.31 | $55.67 - $66.49 |
| Q4 2017 | 3,420 | $241 | $59.54 | $53.90 - $66.58 |
| Q3 2017 | 4,274 | $263 | $53.37 | $48.20 - $59.20 |
| Q2 2017 | 4,480 | $294 | $57.04 | $53.20 - $62.50 |
| Q1 2017 | 4,480 | $290 | $59.26 | $51.41 - $66.19 |
| Q4 2016 | 4,683 | $321 | $56.82 | $47.94 - $64.99 |
| Q3 2016 | 5,845 | $355 | $48.99 | $39.67 - $53.81 |
| Q2 2016 | 7,074 | $325 | $41.52 | $37.19 - $44.47 |
| Q1 2016 | 8,573 | $372 | $40.40 | $36.39 - $46.84 |
| Q4 2015 | 6,850 | $372 | $48.12 | $40.31 - $52.05 |
| Q3 2015 | 6,650 | $309 | $39.87 | $35.73 - $44.30 |
| Q2 2015 | 6,750 | $304 | $38.87 | $36.94 - $40.69 |
| Q1 2015 | 6,650 | $308 | $37.07 | $33.21 - $40.57 |
| Q4 2014 | 6,350 | $271 | $35.30 | $30.04 - $40.52 |
| Q3 2014 | 6,050 | $217 | $34.84 | $30.82 - $37.97 |