0001969223-23-000098.txt : 20230515 0001969223-23-000098.hdr.sgml : 20230515 20230515133905 ACCESSION NUMBER: 0001969223-23-000098 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230515 DATE AS OF CHANGE: 20230515 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: 23920635 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: ZASLOFF MICHAEL A CENTRAL INDEX KEY: 0001033511 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 144 1 primary_doc.xml 144 0001033511 XXXXXXXX LIVE 0001297184 Amphastar Pharmaceuticals, Inc 001-36509 11570 SIXTH STREET RANCHO CUCAMONGA CA 91730 909-980-9484 Michael Zasloff Director Common stock UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

7500 312150 48190000 05/15/2023 NASDAQ Common stock 06/07/2022 RSU Vesting Issuer N 6019 06/07/2022 NA Common stock 06/07/2019 RSU Vesting Issuer N 1481 06/07/2019 NA Y 05/15/2023 /s/ UBS Financial Services Inc, as attorney-in-fact for Michael Zasloff