0001104659-22-063416.txt : 20220520 0001104659-22-063416.hdr.sgml : 20220520 20220520163815 ACCESSION NUMBER: 0001104659-22-063416 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220518 FILED AS OF DATE: 20220520 DATE AS OF CHANGE: 20220520 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: 22948227 MAIL ADDRESS: STREET 1: 11570 6TH STREET CITY: RANCHO CUCAMONGA STATE: CA ZIP: 91730 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: 22948228 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 tm2215971d4_4seq1.xml OWNERSHIP DOCUMENT X0306 4 2022-05-18 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 CEO & Chief Scientific Officer Common Stock 2022-05-18 4 S 0 55264 33.9714 D 2168305 D Common Stock 2022-05-18 4 S 0 9776 34.7715 D 2158529 D Common Stock 2022-05-18 4 S 0 2006 35.7822 D 2156523 D Common Stock 2022-05-19 4 S 0 41615 33.7575 D 2114908 D Common Stock 2022-05-19 4 S 0 115 34.28 D 2114793 D Common Stock 1498519 I See footnote Common Stock 6827679 I See footnote Common Stock 5000 I See footnote The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 13, 2021. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.44 to $34.43, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) through (5) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.45 to $35.44, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.45 to $36.15, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.27 to $34.24, inclusive. 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. /s/ Eva Wen, by power of attorney for Jack Y. Zhang 2022-05-20 /s/ Eva Wen, by power of attorney for Mary Z. Luo 2022-05-20