0001415889-24-023514.txt : 20240917 0001415889-24-023514.hdr.sgml : 20240917 20240917161144 ACCESSION NUMBER: 0001415889-24-023514 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240913 FILED AS OF DATE: 20240917 DATE AS OF CHANGE: 20240917 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Zhou Rong CENTRAL INDEX KEY: 0001645326 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 241304372 MAIL ADDRESS: STREET 1: C/O AMPHASTAR PHARMACEUTICALS INC. STREET 2: 11570 SIXTH STREET CITY: RANCHO CUCAMONGA STATE: CA ZIP: 91730 ISSUER: 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 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 4 1 form4-09172024_080941.xml X0508 4 2024-09-13 0001297184 Amphastar Pharmaceuticals, Inc. AMPH 0001645326 Zhou Rong C/O AMPHASTAR PHARMACEUTICALS, INC. 11570 6TH STREET RANCHO CUCAMONGA CA 91730 false true false false SENIOR EVP, PRODUCTION CENTER 0 Common Srock 2024-09-13 4 M 0 3000 14.95 A 121388 D Common Srock 2024-09-13 4 S 0 3000 48.2615 D 118388 D Common Stock 99668 I See footnote Common Stock 5000 I See footnote Employee Stock Option (right to buy) 14.95 2024-09-13 4 M 0 3000 0 D 2025-03-26 Common Stock 3000 6893 D The shares are held of record by the Zhou Family Trust for which the reporting person serves as a trustee. The shares are held of record by the reporting person's spouse. Shares subject to the option are fully vested and immediately exercisable. /s/ Eva Wen, by power of attorney 2024-09-17