<SEC-DOCUMENT>0001558370-23-015034-index.html : 20230816
<SEC-HEADER>0001558370-23-015034.hdr.sgml : 20230816
<ACCEPTANCE-DATETIME>20230816161033
ACCESSION NUMBER:		0001558370-23-015034
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		8
CONFORMED PERIOD OF REPORT:	20230928
FILED AS OF DATE:		20230816
DATE AS OF CHANGE:		20230816

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Altimmune, Inc.
		CENTRAL INDEX KEY:			0001326190
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				202726770
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32587
		FILM NUMBER:		231178325

	BUSINESS ADDRESS:	
		STREET 1:		910 CLOPPER ROAD
		STREET 2:		SUITE 201S
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20878
		BUSINESS PHONE:		2406541450

	MAIL ADDRESS:	
		STREET 1:		910 CLOPPER ROAD
		STREET 2:		SUITE 201S
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20878

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PHARMATHENE, INC
		DATE OF NAME CHANGE:	20071016

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HEALTHCARE ACQUISITION CORP
		DATE OF NAME CHANGE:	20050505
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>tmb-20230928xdef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: tmb-20230928xdef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>tmb-20230928xdef14a_a001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: tmb-20230928xdef14a_a001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tmb-20230928xdef14a_a002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tmb-20230928xdef14a_a002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>tmb-20230928xdef14a_a003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: tmb-20230928xdef14a_a003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>tmb-20230928xdef14a_a009.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: tmb-20230928xdef14a_a009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>tmb-20230928xdef14a_a010.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: tmb-20230928xdef14a_a010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>tmb-20230928xdef14a_bg001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: tmb-20230928xdef14a_bg001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>tmb-20230928xdef14a_bg002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: tmb-20230928xdef14a_bg002.jpg

</DOCUMENT>
</SEC-DOCUMENT>