0001969223-23-000035.txt : 20230413 0001969223-23-000035.hdr.sgml : 20230413 20230413171822 ACCESSION NUMBER: 0001969223-23-000035 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230413 DATE AS OF CHANGE: 20230413 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: 23819156 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: PETERS WILLIAM J CENTRAL INDEX KEY: 0001263136 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O AMPHASTAR PHARMACEUTICALS, INC. STREET 2: 11570 6TH STREET CITY: RANCHO CUCAMONGA STATE: CA ZIP: 91730 144 1 primary_doc.xml 144 0001263136 XXXXXXXX LIVE 0001297184 Amphastar Pharmaceuticals, Inc. 001-36509 11570 6th Street Rancho Cucamonga CA 91730 9099809484 William Peters Officer Common UBS Financial Servcies Inc

1000 Harbor Blvd. 3rd Floor Weehawken NJ 07086

10500 414750 47896820 04/13/2023 NASDAQ Common 04/13/2023 Exercise of Stock Options Issuer N 10500 04/13/2023 CASH N William Peters

11570 6th Street Rancho Cucamonga CA 91730

COMMON 03/01/2023 10874 398685 William Peters

11570 6th Street Rancho Cucamonga CA 91730

COMMON 03/15/2023 12776 465473 William Peters

11570 6th Street Rancho Cucamonga CA 91730

COMMON 04/10/2023 10032 404792 04/13/2023 05/18/2022 /s/ UBS Financial Services Inc, as attorney-in-fact for William Peters