X0202 4 2005-09-29 0000820081 CAMBREX CORP CBM 0001192621 KLOSK STEVEN M ONE MEADOWLANDS PLAZA EAST RUTHERFORD NJ 07073 0 1 0 0 Executive Vice President Common Stock 2005-09-29 4 M 0 2400 13.3125 A 35317 D Common Stock 2005-09-29 4 S 0 2400 18.96 D 32917 D Common Stock 2005-09-30 4 M 0 2900 13.3125 A 35817 D Common Stock 2005-09-30 4 S 0 2900 18.98 D 32917 D Stock Option (Right to Buy) 13.3125 2005-09-29 4 M 0 2400 0 D 2005-10-25 Common Stock 2400 73400 D Stock Option (Right to Buy) 13.3125 2005-09-30 4 M 0 2900 0 D 2005-10-25 Common Stock 2900 70500 D Partial exercise of option under the 1996 Performance Stock Option Plan of common stock in transaction under old Rule 16b-3 which became exercisable in increments when the publicly traded share price reached a certain price. Linda Kresse for Steven M. Klosk by POA 2005-10-03