    <SEC-DOCUMENT>0001193125-23-102107-index.html : 20230414
    <SEC-HEADER>0001193125-23-102107.hdr.sgml : 20230414
    <ACCEPTANCE-DATETIME>20230414161758
    ACCESSION NUMBER:		0001193125-23-102107
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20221231
    FILED AS OF DATE:		20230414
    DATE AS OF CHANGE:		20230414
    EFFECTIVENESS DATE:		20230414

    FILER:

    	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

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-33137
    		FILM NUMBER:		23821399

    	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>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>d477057dars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: d477057dars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>