<SEC-DOCUMENT>0001104659-22-076942-index.html : 20220701
<SEC-HEADER>0001104659-22-076942.hdr.sgml : 20220701
<ACCEPTANCE-DATETIME>20220701180835
ACCESSION NUMBER:		0001104659-22-076942
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220630
FILED AS OF DATE:		20220701
DATE AS OF CHANGE:		20220701

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PETERS WILLIAM J
		CENTRAL INDEX KEY:			0001263136

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36509
		FILM NUMBER:		221062634

	MAIL ADDRESS:	
		STREET 1:		C/O AMPHASTAR PHARMACEUTICALS, INC.
		STREET 2:		11570 6TH STREET
		CITY:			RANCHO CUCAMONGA
		STATE:			CA
		ZIP:			91730

ISSUER:		

	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

	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>
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<TYPE>4
<SEQUENCE>1
<FILENAME>tm2220277-1_4seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: tm2220277-1_4seq1.html

Document 1 - RAW XML: tm2220277-1_4seq1.xml

</DOCUMENT>
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