<SEC-DOCUMENT>0001193125-15-244346-index.html : 20150702
<SEC-HEADER>0001193125-15-244346.hdr.sgml : 20150702
<ACCEPTANCE-DATETIME>20150702163209
ACCESSION NUMBER:		0001193125-15-244346
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20150702
DATE AS OF CHANGE:		20150702
EFFECTIVENESS DATE:		20150702

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Amphastar Pharmaceuticals, Inc.
		CENTRAL INDEX KEY:			0001297184
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				330702205
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-205470
		FILM NUMBER:		15970209

	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-8
<SEQUENCE>1
<FILENAME>d949153ds8.htm
<DESCRIPTION>FORM S-8
<TEXT>
Document 1 - file: d949153ds8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d949153dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d949153dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>d949153dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: d949153dex231.htm

</DOCUMENT>
</SEC-DOCUMENT>