<SEC-DOCUMENT>0001104659-23-037125-index.html : 20230327
<SEC-HEADER>0001104659-23-037125.hdr.sgml : 20230327
<ACCEPTANCE-DATETIME>20230327161540
ACCESSION NUMBER:		0001104659-23-037125
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20230323
FILED AS OF DATE:		20230327
DATE AS OF CHANGE:		20230327

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sohn Catherine A.
		CENTRAL INDEX KEY:			0001555132

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32587
		FILM NUMBER:		23764704

	MAIL ADDRESS:	
		STREET 1:		C/O JAZZ PHARMACEUTICALS PLC
		STREET 2:		5TH FL, WATERLOO EXCHANGE, WATERLOO RD
		CITY:			DUBLIN L2 4
		STATE:			L2
		ZIP:			0

ISSUER:		

	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

	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>3
<SEQUENCE>1
<FILENAME>tm2310588-3_3seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: tm2310588-3_3seq1.html

Document 1 - RAW XML: tm2310588-3_3seq1.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>tm2310588d3_ex24.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
Document 2 - file: tm2310588d3_ex24.htm

</DOCUMENT>
</SEC-DOCUMENT>