0001969223-23-000109.txt : 20230517 0001969223-23-000109.hdr.sgml : 20230517 20230517152837 ACCESSION NUMBER: 0001969223-23-000109 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230517 DATE AS OF CHANGE: 20230517 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: 23931411 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 9099809484 Floyd Petersen Director Common stock UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

5000 208400 48190000 05/17/2023 NASDAQ Common stock 06/08/2021 RSU Vesting Issuer N 5000 06/08/2021 NA N Floyd Petersen

25589 State St Loma Linda CA 92354

Common stock 04/03/2023 491 18518 Floyd Petersen

25589 State St Loma Linda CA 92354

Common stock 03/01/2023 500 18349 05/17/2023 /s/ UBS Financial Services Inc, as attorney-in-fact for Floyd Petersen