<SEC-DOCUMENT>0001104659-21-078416-index.html : 20210608 <SEC-HEADER>0001104659-21-078416.hdr.sgml : 20210608 <ACCEPTANCE-DATETIME>20210608210136 ACCESSION NUMBER: 0001104659-21-078416 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210607 FILED AS OF DATE: 20210608 DATE AS OF CHANGE: 20210608 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ZASLOFF MICHAEL A CENTRAL INDEX KEY: 0001033511 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 211003774 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> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>tm2119150-5_4seq1.xml <DESCRIPTION>OWNERSHIP DOCUMENT <TEXT> Document 1 - file: tm2119150-5_4seq1.html
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