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 * SARAN ATUL 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, Corp Dev, GC & Secretary
(Last)         (First)         (Middle)
400 PROFESSIONAL DRIVE, SUITE 400
3. Date of Earliest Transaction (MM/DD/YYYY)
2/24/2021
(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  2/24/2021    A    3744 (1) A $0  43466  D   
Common Stock  2/24/2021    A    3744 (2) A $0  47210  D   
Common Stock (3) 2/24/2021    F    887  D $93.49  46323  D   
Common Stock (3) 2/26/2021    F    764  D $97.15  45559  D   
Common Stock (3) 2/26/2021    F    799  D $97.15  44760  D   

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
Employee Stock Options (Right to Buy)  $93.49  2/24/2021    A     14973       (4) 2/23/2028  Common Stock  14973.0  $93.49  14973  D   

Explanation of Responses:
(1)  Consists of restricted stock units granted under the company's Stock Incentive Plan. These restricted stock units vest in three equal annual installments beginning on the day prior to 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.
(2)  Consists of performance stock units granted under the Emergent BioSolutions Inc. Stock Incentive Plan. Each PSU represents a right to receive one share of common stock. The PSUs vest upon achievement with respect to adjusted EBITDA margin calculated on a cumulative basis over the three-year period beginning January 1, 2021 and ending December 31, 2023, as certified by the Compensation Committee following the performance period. The amount reported is based on the target performance payout factor, or 100%.
(3)  Represents shares of common stock withheld to pay taxes.
(4)  Vests in three equal installments beginning on the day prior to the anniversary date of the grant.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
SARAN ATUL
400 PROFESSIONAL DRIVE
SUITE 400
GAITHERSBURG, MD 20879


EVP, Corp Dev, GC & Secretary

Signatures
/s/ Scott Lieberman, Attorney-in-fact 2/26/2021
**Signature of Reporting Person Date