0001969223-23-000431.txt : 20231113 0001969223-23-000431.hdr.sgml : 20231113 20231113123829 ACCESSION NUMBER: 0001969223-23-000431 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231113 DATE AS OF CHANGE: 20231113 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: 231397094 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: Deflin Gayle CENTRAL INDEX KEY: 0001866024 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 0001866024 XXXXXXXX LIVE 0001297184 Amphastar Pharmaceuticals Inc. 001-36509 11570 6th St Rancho Cucamonga CA 91730 9099809484 Gayle Deflin Director Common stock UBS Financial Services Inc

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4163 216476 48860000 11/13/2023 NASDAQ Common stock 06/10/2023 RSU Vesting Issuer N 4163 06/10/2023 NA Y 11/13/2023 /s/ UBS Financial Services Inc, as attorney-in-fact for Gayle Deflin