X0306 4 2015-11-05 0000820081 CAMBREX CORP CBM 0001192621 KLOSK STEVEN M ONE MEADOWLANDS PLAZA EAST RUTHERFORD NJ 07073 1 1 0 0 President and CEO Common Stock 2015-11-05 4 M 0 49121 A 149991 D Common Stock 2015-11-05 4 S 0 38321 50.57 D 111670 D Common Stock 2015-11-05 4 S 0 10800 51.31 D 100870 D Phantom Stock Units 2015-11-05 4 M 0 49121 D 2015-11-05 2015-11-05 Common Stock 49121 0 D Phantom stock units held by reporting person were issued pursuant to the Deferred Compensation Plan of Cambrex Corporation (as Amended and Restated as of March 1, 2001). Each phantom stock unit was the economic equivalent of one share of Cambrex common stock. On November 5, 2015, all of the reporting person's phantom stock units were settled for cash. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.11 to $51.09 inclusive. The reporting person untertakes 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 separate price within the range set forth in this Footnote 2 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.10 to $51.525 inclusive. The reporting person untertakes 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 separate price within the range set forth in this Footnote 3 to this Form 4. Samantha Hanley for Steven Klosk by POA 2015-11-09