| 2003-12-01 | Sale | Entegris, Inc. ENTG | director | 24,000 0.0328% | $12.93 | $310,200 | -16.35% | |
| 2003-11-03 | Sale | Entegris, Inc. ENTG | director | 24,000 0.0327% | $13.45 | $322,800 | -17.83% | |
| 2003-10-01 | Sale | Entegris, Inc. ENTG | director | 12,000 0.016% | $11.20 | $134,400 | +1.21% | |
| 2003-09-02 | Sale | Entegris, Inc. ENTG | director | 24,000 0.0324% | $14.75 | $354,000 | -20.39% | |
| 2003-08-06 | Sale | Entegris, Inc. ENTG | director | 12,000 0.0162% | $13.61 | $163,320 | -7.74% | |
| 2003-07-01 | Sale | Entegris, Inc. ENTG | director | 12,000 0.0158% | $13.22 | $158,640 | -4.74% | |
| 2003-06-04 | Sale | Entegris, Inc. ENTG | director | 6,000 0.0077% | $13.55 | $81,300 | -8.57% | |
| 2003-06-02 | Sale | Entegris, Inc. ENTG | director | 6,000 0.008% | $13.46 | $80,760 | -3.38% | |
| 2003-05-07 | Sale | Entegris, Inc. ENTG | director | 20,149 0.0282% | $12.04 | $242,594 | +7.17% | |
| 2003-05-05 | Sale | Entegris, Inc. ENTG | director | 12,000 0.0163% | $11.60 | $139,200 | +8.16% |