0001104659-20-035468.txt : 20200318 0001104659-20-035468.hdr.sgml : 20200318 20200318172924 ACCESSION NUMBER: 0001104659-20-035468 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200316 FILED AS OF DATE: 20200318 DATE AS OF CHANGE: 20200318 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Zhang Jack Y. CENTRAL INDEX KEY: 0001611157 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 20725630 MAIL ADDRESS: STREET 1: 11570 6TH STREET CITY: RANCHO CUCAMONGA STATE: CA ZIP: 91730 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Luo Mary Z. CENTRAL INDEX KEY: 0001611156 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 20725631 MAIL ADDRESS: STREET 1: 11570 6TH 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] 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 a4.xml 4 X0306 4 2020-03-16 0 0001297184 Amphastar Pharmaceuticals, Inc. AMPH 0001611157 Zhang Jack Y. C/O AMPHASTAR PHARMACEUTICALS, INC. 11570 6TH STREET RANCHO CUCAMONGA CA 91730 1 1 1 0 CEO & Chief Scientific Officer 0001611156 Luo Mary Z. C/O AMPHASTAR PHARMACEUTICALS, INC. 11570 6TH STREET RANCHO CUCAMONGA CA 91730 1 1 1 0 COO,Chief Scientist & Chairman Common Stock 2020-03-16 4 F 0 25873 13.03 D 2094264 D Common Stock 2020-03-16 4 A 0 152724 0.00 A 2246988 D Common Stock 2020-03-16 4 F 0 7771 13.03 D 1381658 I See footnote Common Stock 2020-03-16 4 A 0 68303 0.00 A 1449961 I See footnote Common Stock 7027679 I See footnote Common Stock 5000 I See footnote Employee Stock Option (right to buy) 13.03 2020-03-16 4 A 0 405003 0 A 2028-03-16 Common Stock 405003 405003 D Employee Stock Option (right to buy) 13.03 2020-03-16 4 A 0 181134 0 A 2028-03-16 Common Stock 181134 181134 I See footnote The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs. The RSUs vest in three equal annual installments beginning on March 16, 2021. The securities are held of record by Mary Z. Luo. The reporting persons are husband and wife. The shares are held of record by Applied Physics & Chemistry Laboratories, Inc., of which the reporting persons and The Bill Luobei Zhang 2004 Irrevocable Trust are the sole owners. The shares are held of record in an account for the benefit of the reporting persons' son. The reporting persons disclaim beneficial ownership of these shares, and the inclusion of these shares in this report should not be deemed an admission of beneficial ownership of any such shares for purposes of Section 16, or for any other purpose. Shares subject to the option vest in three equal annual installments beginning on March 16, 2021. /s/ Eva Wen, by power of attorney for Jack Y. Zhang 2020-03-18 /s/ Eva Wen, by power of attorney for Mary Z. Luo 2020-03-18