0001104659-23-118693.txt : 20231115 0001104659-23-118693.hdr.sgml : 20231115 20231115163011 ACCESSION NUMBER: 0001104659-23-118693 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231114 FILED AS OF DATE: 20231115 DATE AS OF CHANGE: 20231115 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Deflin Gayle CENTRAL INDEX KEY: 0001866024 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 231410979 MAIL ADDRESS: STREET 1: 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 4 1 tm2330835-1_4seq1.xml OWNERSHIP DOCUMENT X0508 4 2023-11-14 0 0001297184 Amphastar Pharmaceuticals, Inc. AMPH 0001866024 Deflin Gayle C/O AMPHASTAR PHARMACEUTICALS, INC. 11570 6TH STREET RANCHO CUCAMONGA CA 91730 1 0 0 0 0 Common Stock 2023-11-14 4 S 0 4163 55.45 D 2716 D /s/ Eva Wen, by power of attorney 2023-11-15