X0202 4 2005-11-11 0 0000878526 NATUS MEDICAL INC BABY 0001208700 TRAVERSO KENNETH M C/O NATUS MEDICAL INCORPORATED 1501 INDUSTRIAL ROAD SAN CARLOS CA 94070 0 1 0 0 VP Marketing and Sales Common Stock, $0.001 par value per share 2005-11-11 4 S 0 1000 16.90 D 128572 D Common Stock, $0.001 par value per share 10500 I By IRA Common Stock, $0.001 par value per share 4100 I By Spouse IRA Common Stock, $0.001 par value per share 8572 I By Family Trust Includes 1,998 shares purchased on April 29, 2005 and 1,398 shares purchased on October 31, 2005 under the Natus Medical Incorporated Employee Stock Purchase Plan. Kenneth M. Traverso 2005-11-15