<SEC-DOCUMENT>0001415889-24-008592-index.html : 20240319
<SEC-HEADER>0001415889-24-008592.hdr.sgml : 20240319
<ACCEPTANCE-DATETIME>20240319171025
ACCESSION NUMBER:		0001415889-24-008592
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240315
FILED AS OF DATE:		20240319
DATE AS OF CHANGE:		20240319

REPORTING-OWNER:	

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

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36509
		FILM NUMBER:		24764875

	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]
		ORGANIZATION NAME:           	03 Life Sciences
		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>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4-03192024_090319.xml
<TEXT>
Document 1 - file: form4-03192024_090319.html

Document 1 - RAW XML: form4-03192024_090319.xml

</DOCUMENT>
</SEC-DOCUMENT>