<SEC-DOCUMENT>0001104659-14-048107-index.html : 20140627
<SEC-HEADER>0001104659-14-048107.hdr.sgml : 20140627
<ACCEPTANCE-DATETIME>20140624193245
ACCESSION NUMBER:		0001104659-14-048107
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20140624
FILED AS OF DATE:		20140624
DATE AS OF CHANGE:		20140624

ISSUER:		

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

	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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PRINS RICHARD K
		CENTRAL INDEX KEY:			0001047579

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36509
		FILM NUMBER:		14938506
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>a3.xml
<DESCRIPTION>3
<TEXT>
Document 1 - file: a3.html

Document 1 - RAW XML: a3.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>2
<FILENAME>ex-24d1.htm
<DESCRIPTION>EX-24.1
<TEXT>
Document 2 - file: ex-24d1.htm

</DOCUMENT>
</SEC-DOCUMENT>