<SEC-DOCUMENT>0001367644-23-000123.txt : 20230613
<SEC-HEADER>0001367644-23-000123.hdr.sgml : 20230613
<ACCEPTANCE-DATETIME>20230613212221
ACCESSION NUMBER:		0001367644-23-000123
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230609
FILED AS OF DATE:		20230613
DATE AS OF CHANGE:		20230613

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Fox Jennifer Lynne
		CENTRAL INDEX KEY:			0001914879

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33137
		FILM NUMBER:		231012822

	MAIL ADDRESS:	
		STREET 1:		400 PROFESSIONAL DRIVE
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20879

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Emergent BioSolutions Inc.
		CENTRAL INDEX KEY:			0001367644
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				141902018
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		400 PROFESSIONAL DR, SUITE 400
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20879
		BUSINESS PHONE:		240-631-3200

	MAIL ADDRESS:	
		STREET 1:		400 PROFESSIONAL DR, SUITE 400
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20879
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1686705732.xml
<DESCRIPTION>FORM 4
<TEXT>
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    <periodOfReport>2023-06-09</periodOfReport>

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    <issuer>
        <issuerCik>0001367644</issuerCik>
        <issuerName>Emergent BioSolutions Inc.</issuerName>
        <issuerTradingSymbol>EBS</issuerTradingSymbol>
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            <rptOwnerName>Fox Jennifer Lynne</rptOwnerName>
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            <rptOwnerStreet2>SUITE 400</rptOwnerStreet2>
            <rptOwnerCity>GAITHERSBURG</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>20879</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP, Ext Aff, GC, Corp Sec</officerTitle>
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    <aff10b5One>0</aff10b5One>

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                <value>Common Stock</value>
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            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
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                <transactionPricePerShare>
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                <value>Common Stock</value>
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    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to buy)</value>
            </securityTitle>
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                <value>8.39</value>
            </conversionOrExercisePrice>
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            <exerciseDate>
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            <expirationDate>
                <value>2030-06-08</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>49231</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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    <footnotes>
        <footnote id="F1">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 or the day prior to the annual shareholder meeting; whichever is earlier. 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.</footnote>
        <footnote id="F2">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 both cumulative revenues and adjusted EBITDA as a percentage of total GAAP revenue calculated on a cumulative basis over the three-year period beginning January 1, 2023 and ending December 31, 2025, as certified by the Compensation Committee following the performance period.  The amount reported is based on the target performance payout factor, or 100%.</footnote>
        <footnote id="F3">Vests in three equal installments beginning on the day prior to the anniversary date of the grant.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jennifer Lynne Fox, Attorney-in-fact</signatureName>
        <signatureDate>2023-06-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
