<SEC-DOCUMENT>0001047469-14-005704-index.html : 20140625
<SEC-HEADER>0001047469-14-005704.hdr.sgml : 20140625
<ACCEPTANCE-DATETIME>20140618151205
ACCESSION NUMBER:		0001047469-14-005704
CONFORMED SUBMISSION TYPE:	S-1/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20140618
DATE AS OF CHANGE:		20140618

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Amphastar Pharmaceuticals, Inc.
		CENTRAL INDEX KEY:			0001297184
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				330702205

	FILING VALUES:
		FORM TYPE:		S-1/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-196097
		FILM NUMBER:		14927942

	BUSINESS ADDRESS:	
		STREET 1:		11570 SIXTH STREET
		CITY:			RANCHO CUCAMONGA
		STATE:			CA
		ZIP:			91730
		BUSINESS PHONE:		909-980-9484

	MAIL ADDRESS:	
		STREET 1:		11570 SIXTH STREET
		CITY:			RANCHO CUCAMONGA
		STATE:			CA
		ZIP:			91730
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-1/A
<SEQUENCE>1
<FILENAME>a2220540zs-1a.htm
<DESCRIPTION>S-1/A
<TEXT>
Document 1 - file: a2220540zs-1a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.1
<SEQUENCE>2
<FILENAME>a2220540zex-1_1.htm
<DESCRIPTION>EX-1.1
<TEXT>
Document 2 - file: a2220540zex-1_1.htm

</DOCUMENT>
</SEC-DOCUMENT>