Sec Form 4 Filing - Kramer Robert @ Emergent BioSolutions Inc. - 2012-09-06

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

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1. Name and Address of Reporting Person Kramer Robert 2. Issuer Name and Ticker or Trading Symbol Emergent BioSolutions Inc. [ EBS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) EVP Corporate Svs. Div (Last) (First) (Middle) 2273 RESEARCH BLVD, SUITE 400 3. Date of Earliest Transaction (MM/DD/YY) 09/06/2012 (Street) ROCKVILLE, MD20850 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 09/06/2012 S 28,000 D $ 14.82 ( 1 ) 14,130 ( 2 ) D Common Stock 856,043 ( 3 ) I By BioPharm, L.L.C.

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Kramer Robert 2273 RESEARCH BLVD SUITE 400 ROCKVILLE, MD20850 EVP Corporate Svs. Div Signatures /s/Jay G. Reilly, attorney-in-fact 09/10/2012 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.8 and $14.925, inclusive. The reporting person undertakes to provide to Emergent BioSolutions Inc. any security holder of Emergent BioSolutions Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each seperate price within the range. ( 2 )Mr. Kramer's direct holdings include restricted stock units granted under the Amended and Restated Emergent BioSolutions Inc. 2006 Stock Incentive Plan and shares distributed from BioPharm, L.L.C. to Mr. Kramer through RKRAMER L.L.C. ( 3 )Mr. Kramer is the general manager of RKRAMER, L.L.C., which holds 21.01% of the equity interest in BioPharm, L.L.C. BioPharm, L.L.C. is the direct owner of 856,043 shares of Common Stock. Mr. Kramer disclaims beneficial ownership of these shares for purposes of Section 16, except to the extent of his pecuniary interest in 181,746 units in BioPharm L.L.C. held directly through RKRAMER L.L.C.

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).

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