Sec Form 4 Filing - BIRD THOMAS N @ CAMBREX CORP - 2007-03-16

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 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

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person BIRD THOMAS N 2. Issuer Name and Ticker or Trading Symbol CAMBREX CORP [ CBM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Former Vice President (Last) (First) (Middle) ONE MEADOWLANDS PLAZA 3. Date of Earliest Transaction (MM/DD/YY) 03/16/2007 (Street) EAST RUTHERFORD, NJ07073 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Common Stock 03/16/2007 M 50,000 A $ 22.0625 59,474 D Common Stock 03/16/2007 M 5,000 A $ 18.675 64,474 D Common Stock 03/16/2007 M 7,000 A $ 21.9025 71,474 D Common Stock 03/16/2007 M 7,000 A $ 20.72 78,474 D Common Stock 03/16/2007 M 3,500 A $ 21.39 81,974 D Common Stock 03/16/2007 S 8,500 D $ 24.51 73,474 D Common Stock 03/16/2007 S 900 D $ 24.52 72,574 D Common Stock 03/16/2007 S 6,700 D $ 24.54 65,874 D Common Stock 03/16/2007 S 7,100 D $ 24.55 58,774 D Common Stock 03/16/2007 S 1,000 D $ 24.57 57,774 D Common Stock 03/16/2007 S 2,900 D $ 24.58 54,874 D Common Stock 03/16/2007 S 2,400 D $ 24.6 52,474 D Common Stock 03/16/2007 S 1,000 D $ 24.61 51,474 D Common Stock 03/16/2007 S 1,400 D $ 24.62 50,074 D Common Stock 03/16/2007 S 300 D $ 24.65 49,774 D Common Stock 03/16/2007 S 670 D $ 24.66 49,104 D Common Stock 03/16/2007 S 44,100 D $ 24.5 5,004 D Common Stock 03/16/2007 S 4,500 D $ 24.56 504 D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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) $ 22.0625 03/16/2007 M 50,000 01/22/2007 01/22/2008 Common 50,000 $ 0 0 D Stock Option (Right to Buy) $ 18.675 03/16/2007 M 5,000 04/24/2004( 1 ) 04/24/2010 Common Stock 5,000 $ 0 0 D Stock Option (Right to Buy) $ 21.9025 03/16/2007 M 7,000 12/31/2004( 1 ) 08/23/2011 Common Stock 7,000 $ 0 0 D Stock Option (Right to Buy) $ 20.72 03/16/2007 M 7,000 12/31/2005( 2 ) 07/25/2012 Common Stock 7,000 $ 0 0 D Stock Option (Right to Buy) $ 21.39 03/16/2007 M 3,500 ( 3 ) 07/27/2013 Common Stock 3,500 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other BIRD THOMAS N ONE MEADOWLANDS PLAZA EAST RUTHERFORD, NJ07073 Former Vice President Signatures Linda Kresse for Thomas N. Bird by POA 03/20/2007 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Vesting of this grant to reporting person was accelerated by the Compensation Committee of the Board of Directors on June 1, 2005. ( 2 )The sales restrictions on this grant to reporting person were lifted by the Compensation Committee of the Board of Directors on November 2, 2006. ( 3 )Pursuant to his Employment Agreement, vesting of this grant to reporting person was accelerated upon his termination of employment which occurred on February 28, 2007.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* 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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.