0001973141-24-000023.txt : 20240108 0001973141-24-000023.hdr.sgml : 20240108 20240108162346 ACCESSION NUMBER: 0001973141-24-000023 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240108 DATE AS OF CHANGE: 20240108 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Amphastar Pharmaceuticals, Inc. CENTRAL INDEX KEY: 0001297184 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 330702205 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 24520443 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: Luo Mary Z. CENTRAL INDEX KEY: 0001611156 ORGANIZATION NAME: 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 0001611156 XXXXXXXX LIVE 0001297184 Amphastar Pharmaceuticals, Inc. 001-36509 11570 SIXTH STREET RANCHO CUCAMONGA CA 91730 909-980-9484 Luo Mary Z. Officer Common UBS Financial Services, Inc.

1000 Harbor Boulevard Weehawken NJ 07086

133644 7875480.55 47907411 01/08/2024 NASDAQ Common 03/15/2019 Exercise of Stock Option Issuer N 23884 03/15/2019 Net Settled Exercise Common 09/13/2017 Exercise of Stock Option Issuer N 18128 09/13/2017 Net Settled Exercsie Common 05/23/2017 Exercise of Stock Option Issuer N 16700 05/23/2017 Cash Common 11/13/2017 Exercise of Stock Option Issuer N 74932 11/13/2017 Cash Y 01/08/2024 06/09/2023 /s/ UBS Financial Services Inc, as attorney-in-fact for Mary Zi-Ping Luo