0001969223-23-000458.txt : 20231117 0001969223-23-000458.hdr.sgml : 20231117 20231117123417 ACCESSION NUMBER: 0001969223-23-000458 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231117 DATE AS OF CHANGE: 20231117 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 231417346 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Zhou Rong CENTRAL INDEX KEY: 0001645326 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O AMPHASTAR PHARMACEUTICALS INC. STREET 2: 11570 SIXTH STREET CITY: RANCHO CUCAMONGA STATE: CA ZIP: 91730 144 1 primary_doc.xml 144 0001645326 XXXXXXXX LIVE 0001297184 Amphastar Pharmaceuticals Inc. 001-36509 11570 6th St Rancho Cucamonga CA 91730 9099809484 Rong Zhou Director Common stock UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

7830 450381.6 48860000 11/17/2023 NASDAQ Common stock 11/17/2023 Option Exercise Issuer N 7830 11/17/2023 Cash Y 11/17/2023 /s/ UBS Financial Services Inc, as attorney-in-fact for Rong Zhou