0001415889-24-007091.txt : 20240306 0001415889-24-007091.hdr.sgml : 20240306 20240306175400 ACCESSION NUMBER: 0001415889-24-007091 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240304 FILED AS OF DATE: 20240306 DATE AS OF CHANGE: 20240306 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Liawatidewi Yakob CENTRAL INDEX KEY: 0001743927 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 24727352 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 form4-03062024_100355.xml X0508 4 2024-03-04 0001297184 Amphastar Pharmaceuticals, Inc. AMPH 0001743927 Liawatidewi Yakob C/O AMPHASTAR PHARMACEUTICALS, INC. 11570 6TH STREET RANCHO CUCAMONGA CA 91730 true true false false EVP CORP ADMIN CENTER 0 Common Stock 2024-03-04 4 A 0 10754 0 A 80423 D Common Stock 2459 I See footnote Employee Stock Option (right to buy) 46.68 2024-03-04 4 A 0 22655 0 A 2034-03-04 Common Stock 22655 22655 D The reported shares are represented by restricted stock units, or RSUs, which vest in four equal annual installments beginning on March 4, 2025. The reported shares are held of record by the Yakob and Sunmoon Trust dated July 25, 2013 for which the reporting person serves as a trustee. The shares subject to the option vest in four equal annual installments beginning on March 4, 2025. /s/ Eva Wen, by power of attorney 2024-03-06