| 2012-08-30 | Sale | Innospec Inc. IOSP | 20,000 0.0852% | $30.84 | $616,800 | +39.19% | ||
| 2012-05-23 | Sale | Innospec Inc. IOSP | director | 16,000 0.0677% | $26.59 | $425,440 | +22.4% | |
| 2010-03-31 | Innospec Inc. IOSP | director | 246 0.0011% | $11.66 | $2,868 | +34.07% | ||
| 2010-03-30 | Innospec Inc. IOSP | director | 12,400 0.0534% | $11.85 | $146,940 | +27.77% | ||
| 2008-03-10 | Sale | Innospec Inc. IOSP | director | 4,724 0.0204% | $20.50 | $96,827 | -26.07% | |
| 2007-08-15 | Sale | Innospec Inc. IOSP | ex Director | 38,481 0.1653% | $22.62 | $870,309 | -4.79% | |
| 2004-08-20 | Sale | Innospec Inc. IOSP | ex Director | 11,000 0.0898% | $22.91 | $251,985 | -14.3% | |
| 2004-08-17 | Sale | Innospec Inc. IOSP | ex Director | 400 0.0033% | $24.00 | $9,601 | -16.6% | |
| 2004-08-05 | Sale | Innospec Inc. IOSP | ex Director | 8,766 0.0783% | $26.36 | $231,110 | -17.43% | |
| 2004-08-04 | Sale | Innospec Inc. IOSP | ex Director | 4,500 0.0357% | $24.28 | $109,260 | -20.22% | |
| 2004-08-03 | Sale | Innospec Inc. IOSP | ex Director | 2,200 0.018% | $25.26 | $55,581 | -21.06% | |
| 2004-08-02 | Sale | Innospec Inc. IOSP | ex Director | 5,029 0.0405% | $25.80 | $129,733 | -23.8% |