<SEC-DOCUMENT>0001367644-24-000098.txt : 20240606
<SEC-HEADER>0001367644-24-000098.hdr.sgml : 20240606
<ACCEPTANCE-DATETIME>20240606161620
ACCESSION NUMBER:		0001367644-24-000098
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240604
FILED AS OF DATE:		20240606
DATE AS OF CHANGE:		20240606

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Zoon Kathryn C
		CENTRAL INDEX KEY:			0001685720
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33137
		FILM NUMBER:		241025264

	MAIL ADDRESS:	
		STREET 1:		400 PROFESSIONAL DRIVE
		STREET 2:		SUITE 400
		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]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				141902018
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		300 PROFESSIONAL DR
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20879
		BUSINESS PHONE:		240-631-3200

	MAIL ADDRESS:	
		STREET 1:		300 PROFESSIONAL DR
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20879
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1717704966.xml
<DESCRIPTION>FORM 4
<TEXT>
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<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-06-04</periodOfReport>

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        <issuerCik>0001367644</issuerCik>
        <issuerName>Emergent BioSolutions Inc.</issuerName>
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    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001685720</rptOwnerCik>
            <rptOwnerName>Zoon Kathryn C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 PROFESSIONAL DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GAITHERSBURG</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>20879</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-06-04</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2024-06-04</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.11</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>54482</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
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    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Richard S. Lindahl, Attorney-in-fact</signatureName>
        <signatureDate>2024-06-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
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