Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
KORB WILLIAM B
   2. Issuer Name and Ticker or Trading Symbol
CAMBREX CORP [CBM] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
ONE MEADOWLANDS PLAZA		 3. Date of Earliest Transaction (Month/Day/Year)
05/04/2007
(Street)

EAST RUTHERFORD, NJ 07073		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) $ 26.9688 05/04/2007   D(1)     2,000 07/28/1999 01/28/2009 Common Stock 2,000 $ 0 0 D  
Stock Option (Right to Buy) $ 12.9688 05/04/2007   A(1)   2,000   07/28/1999 01/28/2009 Common Stock 2,000 $ 0 2,000 D  
Stock Option (Right to Buy) $ 26 05/04/2007   D(1)     2,000 10/22/1999 04/22/2009 Common Stock 2,000 $ 0 0 D  
Stock Option (Right to Buy) $ 12 05/04/2007   A(1)   2,000   10/22/1999 04/22/2009 Common Stock 2,000 $ 0 2,000 D  
Stock Option (Right to Buy) $ 40.5 05/04/2007   D(1)     2,000 10/27/2000 04/27/2010 Common Stock 2,000 $ 0 0 D  
Stock Option (Right to Buy) $ 26.5 05/04/2007   A(1)   2,000   10/27/2000 04/27/2010 Common Stock 2,000 $ 0 2,000 D  
Stock Option (Right to Buy) $ 42.87 05/04/2007   D(1)     2,000 10/26/2001 04/26/2011 Common Stock 2,000 $ 0 0 D  
Stock Option (Right to Buy) $ 28.87 05/04/2007   A(1)   2,000   10/26/2001 04/26/2011 Common Stock 2,000 $ 0 2,000 D  
Stock Option (Right to Buy) $ 41.29 05/04/2007   D(1)     2,000 10/26/2002 04/25/2012 Common Stock 2,000 $ 0 0 D  
Stock Option (Right to Buy) $ 27.29 05/04/2007   A(1)   2,000   10/25/2002 04/25/2012 Common Stock 2,000 $ 0 2,000 D  
Stock Option (Right to Buy) $ 18.68 05/04/2007   D(1)     2,000 10/24/2003 04/24/2010 Common Stock 2,000 $ 0 0 D  
Stock Option (Right to Buy) $ 4.675 05/04/2007   A(1)   2,000   10/24/2003 04/24/2010 Common Stock 2,000 $ 0 2,000 D  
Stock Option (Right to Buy) $ 26.865 05/04/2007   D(1)     2,000 10/22/2004 04/22/2011 Common Stock 2,000 $ 0 0 D  
Stock Option (Right to Buy) $ 12.6665 05/04/2007   A(1)   2,000   10/22/2004 04/22/2011 Common Stock 2,000 $ 0 2,000 D  
Stock Option (Right to Buy) $ 18.72 05/04/2007   D(1)     2,000 10/28/2005 04/28/2012 Common Stock 2,000 $ 0 0 D  
Stock Option (Right to Buy) $ 4.72 05/04/2007   A(1)   2,000   10/28/2005 04/28/2012 Common Stock 2,000 $ 0 2,000 D  
Stock Option (Right to Buy) $ 21.39 05/04/2007   D(1)     2,000 01/27/2007 07/27/2013 Common Stock 2,000 $ 0 0 D  
Stock Option (Right to Buy) $ 7.39 05/04/2007   A(1)   2,000   01/27/2007 07/27/2013 Common Stock 2,000 $ 0 2,000 D  
Stock Option (Right to Buy) $ 24.58 05/04/2007   D(1)     2,000 10/26/2007 04/26/2014 Common Stock 2,000 $ 0 0 D  
Stock Option (Right to Buy) $ 10.58 05/04/2007   A(1)   2,000   10/26/2007 04/26/2014 Common Stock 2,000 $ 0 2,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
KORB WILLIAM B
ONE MEADOWLANDS PLAZA
EAST RUTHERFORD, NJ 07073		   X      

Signatures

 Linda Kresse for William B. Korb by POA   05/08/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The reported transactions involve amendments of outstanding options in a reduction to the exercise price resulting in the deemed cancellation of the "old" options and the grant of replacement options.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

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