X0306 4/A 2017-12-18 2017-12-19 0000019446 CANTEL MEDICAL CORP CMD 0001202424 FOTIADES GEORGE L 281 SUMMIT AVENUE SUMMIT NJ 07901 1 0 0 0 Common Stock, par value $.10 per share 2017-12-18 4 S 0 5400 101.085 D 94666 D This amendment is beling filed to correct the number of securities disposed from 5,700 to 5,400, which thereby increased the number of shares owned following the reported transaction by 300 shares. The per share prices ranged from $101.04 to $101.15. Upon request by the Commission staff, the issuer or the reporting person will provide full information regarding the number of shares sold at each separate price. /s/ George L. Fotiades 2018-04-04