Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2020 | 9,166 | $832 | $71.95 | $57.19 - $85.43 |
| Q3 2020 | 9,215 | $583 | $68.67 | $56.85 - $78.17 |
| Q2 2020 | 9,221 | $712 | $67.35 | $57.02 - $79.77 |
| Q1 2020 | 8,532 | $593 | $83.79 | $52.02 - $98.93 |
| Q4 2019 | 8,532 | $883 | $87.47 | $77.84 - $97.70 |
| Q3 2019 | 8,314 | $741 | $81.78 | $74.31 - $88.66 |
| Q2 2019 | 8,171 | $746 | $76.63 | $71.16 - $83.47 |
| Q1 2019 | 7,847 | $654 | $67.58 | $51.63 - $78.46 |
| Q4 2018 | 7,585 | $468 | $62.18 | $48.12 - $70.66 |
| Q3 2018 | 7,235 | $555 | $70.20 | $64.67 - $74.99 |
| Q2 2018 | 7,047 | $539 | $67.39 | $59.37 - $73.05 |
| Q1 2018 | 6,755 | $463 | $62.31 | $55.67 - $66.49 |
| Q4 2017 | 6,278 | $443 | $59.54 | $53.90 - $66.58 |
| Q3 2017 | 6,113 | $377 | $53.37 | $48.20 - $59.20 |
| Q2 2017 | 5,951 | $390 | $57.04 | $53.20 - $62.50 |
| Q1 2017 | 5,629 | $364 | $59.26 | $51.41 - $66.19 |
| Q4 2016 | 5,241 | $359 | $56.82 | $47.94 - $64.99 |
| Q2 2016 | 4,686 | $216 | $41.52 | $37.19 - $44.47 |
| Q1 2016 | 4,268 | $185 | $40.40 | $36.39 - $46.84 |
| Q4 2015 | 3,881 | $211 | $48.12 | $40.31 - $52.05 |
| Q3 2015 | 3,558 | $165 | $39.87 | $35.73 - $44.30 |
| Q4 2014 | 174,500 | $7,451 | $35.30 | $30.04 - $40.52 |
| Q3 2014 | 174,500 | $6,265 | $34.84 | $30.82 - $37.97 |
| Q2 2014 | 174,500 | $7,547 | $36.87 | $34.10 - $39.69 |
| Q1 2014 | 170,000 | $7,689 | $37.58 | $34.73 - $40.51 |
| Q4 2013 | 167,000 | $7,719 | $38.90 | $36.04 - $42.14 |