X0303 4 2010-01-05 0000019446 CANTEL MEDICAL CORP CMN 0001244408 MALKIN ROY K MINNTECH CORPORATION 14605 28TH AVENUE NORTH MINNEAPOLIS MN 55447 0 1 0 0 Officer of Subsidiary Common Stock 2010-01-05 4 S 0 700 20.6202 D 68575 D Common Stock 2010-01-05 4 S 0 300 20.66 D 68275 D Common Stock 2010-01-05 4 S 0 537 20.71 D 67738 D Common Stock 2010-01-05 4 S 0 963 20.7606 D 66775 D Common Stock 2010-01-05 4 S 0 200 20.76 D 66575 D Common Stock 2010-01-05 4 S 0 300 20.7766 D 66275 D Common Stock 2010-01-05 4 S 0 900 20.77 D 65375 D Common Stock 2010-01-05 4 S 0 500 20.776 D 64875 D Common Stock 2010-01-05 4 S 0 600 20.795 D 64275 D Common Stock 2010-01-05 4 S 0 700 20.9301 D 63575 D Common Stock 2010-01-05 4 S 0 300 20.92 D 63275 D Common Stock 2010-01-05 4 S 0 1000 20.8501 D 62275 D Common Stock 2010-01-05 4 S 0 400 20.91 D 61875 D Common Stock 2010-01-05 4 S 0 600 20.9333 D 61275 D Common Stock 2010-01-05 4 S 0 800 20.9102 D 60475 D Common Stock 2010-01-05 4 S 0 900 20.94 D 59575 D Common Stock 2010-01-05 4 S 0 300 20.96 D 59275 D Common Stock 2010-01-05 4 S 0 1000 20.97 D 58275 D /s/ Roy K. Malkin 2010-01-06