<SEC-DOCUMENT>0001415889-24-029033-index.html : 20241211 <SEC-HEADER>0001415889-24-029033.hdr.sgml : 20241211 <ACCEPTANCE-DATETIME>20241211202814 ACCESSION NUMBER: 0001415889-24-029033 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20241209 FILED AS OF DATE: 20241211 DATE AS OF CHANGE: 20241211 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: PRINS RICHARD K CENTRAL INDEX KEY: 0001047579 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 241542968 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>form4-12122024_011211.xml <TEXT> Document 1 - file: form4-12122024_011211.html
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