X0201 4 2003-11-25 0 0000353569 QUIDEL CORP /DE/ QDEL 0001014156 WATTLETON FAYE 300 CENTRAL PARK WEST NEW YORK NY 10024 1 0 0 0 Common Stock 2003-11-25 4 M 0 6000 4.26 A 6000 D Common Stock 2003-11-25 4 S 0 6000 8.23 D 0 D Non-Qualified Stock Option 4.26 2003-11-25 4 M 0 6000 0.00 D 2002-08-23 2011-05-23 Common Stock 6000 9000 D Bill Sommers, Attorney-in-Fact 2003-11-26