| 2004-02-20 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 6,250 0.0647% | $25.58 | $159,875 | -3.8% | |
| 2003-11-06 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 6,500 0.0693% | $25.60 | $166,406 | +0.64% | |
| 2003-10-17 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 950 0.0072% | $17.75 | $16,863 | +3.44% | |
| 2003-10-14 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 1,250 0.0095% | $17.75 | $22,188 | +4.71% | |
| 2003-10-09 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 5,000 0.053% | $24.55 | $122,750 | +5.44% | |
| 2003-09-23 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 1,200 0.0125% | $24.06 | $28,872 | +6.46% | |
| 2003-09-22 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 2,500 0.0266% | $24.13 | $60,333 | +8.01% | |
| 2003-09-19 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 1,442 0.0157% | $25.40 | $36,628 | +4.95% | |
| 2003-09-18 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 5,000 0.0533% | $25.57 | $127,874 | +2.18% | |
| 2003-09-17 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 1,500 0.016% | $25.79 | $38,687 | +1.17% | |
| 2003-09-16 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 1,858 0.0198% | $26.62 | $49,465 | -2.12% | |
| 2003-09-15 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 1,400 0.015% | $26.55 | $37,171 | -0.95% | |
| 2003-08-20 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 7,500 0.0799% | $24.71 | $185,295 | +5.69% | |
| 2003-08-19 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 2,200 0.0227% | $24.53 | $53,969 | +2.97% | |
| 2003-08-18 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 500 0.0053% | $24.52 | $12,260 | +5.69% | |
| 2003-08-05 | Sale | Quaker Chemical Corporation KWR | VP - GIL - MW/CMS | 850 0.0093% | $26.45 | $22,485 | +1.33% |