X0201 42003-10-27 0000820081 CAMBREX CORP CBM 0001192621 KLOSK STEVEN M ONE MEADOWLANDS PLAZA EAST RUTHERFORD NJ 07073 0100Executive Vice PresidentCommon Stock2003-10-274M0250006.625A34603DStock Option (Right to Buy)6.6252003-10-274M025000D2003-10-27Common Stock25000267500DExercise of option under the 1993 Sr. Executive Stock Option Plan of common stock in transaction exempt under old Rule 16b-3 which became exercisable in increments when the publicly traded share price reached a certain price.Exercise of an option granted to the reporting person under the 1993 Sr. Executive Stock Option Plan.Linda Kinailuk for Steven M. Klosk2003-10-28