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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
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 (MM/DD/YYYY)
4/22/2020
(Street)
GAITHERSBURG, MD 20879
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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  4/22/2020    S(1)    20000  D $66.81 (2) 1289523  D   
Common Stock  4/23/2020    S(1)    20000  D $68.49 (3) 1269523  D   
Common Stock                 4344250 (4) I  By Intervac, L.L.C. 
Common Stock                 1524155 (5) I  By Biovac, L.L.C. 

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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

Explanation of Responses:
(1)  The transaction was made by the Reporting Person pursuant to a trading plan adopted by Fuad El-Hibri Nancy El-Hibri JTWROS on February 25, 2020 that is intended to comply with Rule 10b5-1(c) under the Securities Exchange Act of 1934.
(2)  The price reported reflects a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.25 to $68.19.
(3)  The price reported reflects a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.73 to $70.30.
(4)  Mr. El-Hibri's wife, individually, and Mr. and Mrs. El-Hibri, as tenants by the entirety, collectively hold an aggregate 40.65% equity interest in Intervac, L.L.C., which in turn is the direct owner of 4,344,250 shares of the Issuer's common stock. Mr. El-Hibri disclaims beneficial ownership of the shares of the Issuer's common stock directly owned by Intervac, L.L.C. for purposes of Section 16 of the Exchange Act or otherwise, except to the extent of his pecuniary interest therein.
(5)  Mr. El-Hibri, individually, and Mr. and Mrs. El-Hibri, as tenants by the entirety, collectively hold an aggregate 89.2% equity interest in Biovac, L.L.C, which in turn is the direct owner of 1,524,155 shares of the Issuer's common stock. Mr. El-Hibri disclaims beneficial ownership of the shares of the Issuer's common stock directly owned by Biovac, L.L.C. for purposes of Section 16 of the Exchange Act or otherwise, except to the extent of his pecuniary interest therein.

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 4/24/2020
**Signature of Reporting Person Date
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