Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2020 | 7,590 | $527 | $83.79 | $52.02 - $98.93 |
| Q4 2019 | 7,490 | $775 | $87.47 | $77.84 - $97.70 |
| Q3 2019 | 7,370 | $657 | $81.78 | $74.31 - $88.66 |
| Q2 2019 | 9,700 | $885 | $76.63 | $71.16 - $83.47 |
| Q1 2019 | 8,500 | $709 | $67.58 | $51.63 - $78.46 |
| Q4 2018 | 8,400 | $519 | $62.18 | $48.12 - $70.66 |
| Q2 2018 | 6,880 | $527 | $67.39 | $59.37 - $73.05 |
| Q1 2018 | 9,730 | $667 | $62.31 | $55.67 - $66.49 |
| Q4 2017 | 9,140 | $645 | $59.54 | $53.90 - $66.58 |
| Q3 2017 | 9,050 | $558 | $53.37 | $48.20 - $59.20 |
| Q2 2017 | 5,680 | $372 | $57.04 | $53.20 - $62.50 |
| Q1 2017 | 7,020 | $454 | $59.26 | $51.41 - $66.19 |
| Q4 2016 | 7,020 | $481 | $56.82 | $47.94 - $64.99 |
| Q3 2016 | 8,330 | $507 | $48.99 | $39.67 - $53.81 |
| Q2 2016 | 8,240 | $379 | $41.52 | $37.19 - $44.47 |
| Q1 2016 | 8,110 | $352 | $40.40 | $36.39 - $46.84 |
| Q4 2015 | 4,870 | $264 | $48.12 | $40.31 - $52.05 |