0001973141-23-000227.txt : 20231002 0001973141-23-000227.hdr.sgml : 20231002 20231002160148 ACCESSION NUMBER: 0001973141-23-000227 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231002 DATE AS OF CHANGE: 20231002 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: 231299555 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: Petersen Floyd F. CENTRAL INDEX KEY: 0001611286 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 11570 6TH STREET CITY: RANCHO CUCAMONGA STATE: CA ZIP: 91730 144 1 primary_doc.xml 144 0001611286 XXXXXXXX LIVE 0001297184 Amphastar Pharmaceuticals, Inc. 001-36509 11570 SIXTH STREET RANCHO CUCAMONGA CA 91730 909-980-9484 Petersen Floyd F. Director COMMON UBS Financial Services, Inc.

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

500 23050.00 48855602 10/02/2023 Nasdaq COMMON 06/08/2021 RSU Issuer N 500 06/08/2021 NA Y 10/02/2023 06/13/2023 /s/ UBS Financial Services Inc, as attorney-in-fact for Floyd Petersen