X0202 4/A 2004-04-01 2004-06-09 0000913616 NATIONAL DENTEX CORP /MA/ NADX 0001260770 COLL WAYNE M 17 HILLCREST AVE. NATICK MA 01760 0 1 0 0 Controller & Asst. Treasurer Common Stock $.01 par value 2004-04-01 2004-04-01 5 J 0 178 15.48 A 693 D Common Stock $.01 par value 2004-06-08 2004-06-08 4 S 0 314 30.50 D 379 D Common Stock $.01 par value 2004-06-09 2004-06-09 4 S 0 200 31.50 D 179 D Wayne M. Coll 2004-06-09