Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  Havey Adam
 2. Date of Event Requiring Statement (Month/Day/Year)
03/01/2011		 3. Issuer Name and Ticker or Trading Symbol
Emergent BioSolutions Inc. [EBS]
(Last)
(First)
(Middle)
2273 RESEARCH BLVD., SUITE 400		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP, BioDefense Division
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

ROCKVILLE, MD 20853		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock (1) 5,200 (2)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (right to buy)   (3) 03/10/2015 Common Stock 6,667 $ 7 D  
Employee Stock Option (right to buy)   (4) 03/09/2016 Common Stock 21,800 $ 18.9 D  
Employee Stock Option (right to buy)   (5) 03/08/2017 Common Stock 10,400 $ 15.91 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Havey Adam
2273 RESEARCH BLVD.
SUITE 400
ROCKVILLE, MD 20853		       EVP, BioDefense Division  

Signatures

/s/Christian Dinneen-Long, attorney-in-fact 03/09/2011
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Consists of restricted stock units granted under the Amended and Restated Emergent BioSolutions Inc. 2006 Stock Incentive Plan.
(2) These restricted stock units vest in three equal annual installments beginning on the first anniversary of the date of grant, assuming continued service with the company. Each restricted stock unit represents the right of the Reporting Person to receive one share of common stock of Emergent BioSolutions Inc., subject to adjustment as provided in the grant agreement.
(3) The option was intitally granted with respect to 20,000 shares of Common Stock, 13,333 of which have previously vested and been exercised, and will vest with respect to the remaining shares on March 11, 2011.
(4) The option is vested with respect to 7,267 shares of Common Stock and will vest with respect to the remaining shares as follows: 7,266 shares on March 10, 2011 and 7,267 shares on March 10, 2012.
(5) The option is vested with respect to 3,467 shares of Common Stock and will vest with respect to the remaining shares as follows: 3,466 shares on March 8, 2012 and 3,467 shares on March 8, 2013.

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