X0306 4 2014-08-19 0000820081 CAMBREX CORP CBM 0001192621 KLOSK STEVEN M ONE MEADOWLANDS PLAZA EAST RUTHERFORD NJ 07073 0 1 0 0 President & CEO Common Stock 2014-08-19 4 M 0 4702 5.605 A 150572 D Common Stock 2014-08-19 4 S 0 4702 22.0012 D 145870 D Stock Option (Right to Buy) 5.605 2014-08-19 4 M 0 4702 0 D 2015-05-14 Common Stock 4702 126257 D The option, representing a right to purchase a total of 150,000 shares, became exercisable in four equal annual installments beginning on May 14, 2009, which was the first anniversary of the date on which the option was granted. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transaction at prices ranging from $22.0 to $22.03 inclusive. The reporting person undertakes to provide to Cambrex Corporation, any security holder of Cambrex Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote (2) to this Form 4. Linda Kresse for Steven M. Klosk by POA 2014-08-21