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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1. Name and Address of Reporting Person * El-Hibri Fuad   2. Issuer Name and Ticker or Trading Symbol Emergent BioSolutions Inc. [EBS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chairman (Last) (First) (Middle) 400 PROFESSIONAL DRIVE,, SUITE 400 3. Date of Earliest Transaction (Month/Day/Year) 03/09/2016 (Street) GAITHERSBURG, MD 20879 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 Common Stock 03/09/2016   M   12,073 A (1) 1,783,678 D   Common Stock 03/09/2016   F   3,288 D $ 34.6 1,780,390 D   Common Stock 03/10/2016   M   18,746 A (1) 1,799,136 D   Common Stock 03/10/2016   F   5,128 D $ 34.38 1,794,008 D   Common Stock               2,350,331 (2) I By Intervac, L.L.C. Common Stock               1,524,155 (3) I By Biovac, L.L.C.

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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

Restrictive Stock Units

(1)

03/09/2016

M

12,073

(4)

(4)

Common Stock

12,073

$ 0

94,909

D

Restrictive Stock Units

(1)

03/10/2016

M

18,746

(5)

(5)

Common Stock

18,746

$ 0

76,163

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
El-Hibri Fuad 400 PROFESSIONAL DRIVE, SUITE 400 GAITHERSBURG, MD 20879	X	X	Chairman

Signatures

/s/ Carl A. Valenstein, attorney-in-fact		03/11/2016
**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)	Each restricted stock unit represents the right of Mr. El-Hibri to receive one share of common stock of Emergent BioSolutions Inc.
(2)	Mr. El-Hibri's holdings through Intervac, L.L.C. include 1,638,403 shares of Common Stock held by Mr. El-Hibri and his wife, as tenants by the entirety, through their 37.7% equity interest in Intervac, L.L.C.; 127,721 shares held by Mr. El-Hibri's wife; and 584,207 shares held by trusts indirectly controlled by Mr. El-Hibri or his wife. Mr. El-Hibri disclaims beneficial ownership, for purposes of Section 16 of the Exchange Act or otherwise, of those shares held solely by his wife and those shares held by the trusts.
(3)	Mr. El-Hibri holds individually and with his wife, as tenants by the entirety, an aggregate 89.2% equity interest in Biovac, L.L.C. Biovac, L.L.C. is the direct owner of 1,524,155 shares of Common Stock. Mr. El-Hibri disclaims beneficial ownership of the shares of Common Stock directly owned by Biovac, L.L.C. for purposes of Section 16, except to the extent of his pecuniary interest in 1,359,546 shares. This number corrects a historical scrivener's error that occurred more than two years ago. Prior to the transaction reported herein, for purposes of Section 16 of the Exchange Act, Mr. El-Hibri directly held a pecuniary interest in 1,771,605 shares of Common Stock.
(4)	On March 10, 2015, Mr. El-Hibri was granted 36,219 restricted stock units vesting in three equal annual installments beginning on the anniversary of the grant date.
(5)	On March 11, 2015, Mr. El-Hibri was granted 56,240 restricted stock units vesting in three equal annual installments beginning on the anniversary of the grant date.

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