0001973141-23-000192.txt : 20230828 0001973141-23-000192.hdr.sgml : 20230828 20230828160356 ACCESSION NUMBER: 0001973141-23-000192 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230828 DATE AS OF CHANGE: 20230828 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: 231215322 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: Liawatidewi Yakob CENTRAL INDEX KEY: 0001743927 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 0001743927 XXXXXXXX LIVE 0001297184 Amphastar Pharmaceuticals, Inc. 001-36509 11570 SIXTH STREET RANCHO CUCAMONGA CA 91730 909-980-9484 Liawatidewi Yakob Officer Common UBS Financial Services, Inc.

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28816 1530982.16 48855602 08/28/2023 Nasdaq Common 08/28/2023 Exercise of Stock Options Issuer N 28816 08/28/2023 CASH Y 08/28/2023 05/19/2023 /s/ UBS Financial Services Inc, as attorney-in-fact for Yakob Liawatidewi