0000899243-16-012656.txt : 20160203 0000899243-16-012656.hdr.sgml : 20160203 20160203194655 ACCESSION NUMBER: 0000899243-16-012656 CONFORMED SUBMISSION TYPE: 4/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150615 FILED AS OF DATE: 20160203 DATE AS OF CHANGE: 20160203 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 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Luo Mary Z. CENTRAL INDEX KEY: 0001611156 FILING VALUES: FORM TYPE: 4/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 161386495 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/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 161386496 MAIL ADDRESS: STREET 1: 11570 6TH STREET CITY: RANCHO CUCAMONGA STATE: CA ZIP: 91730 4/A 1 doc4a.xml FORM 4/A SUBMISSION X0306 4/A 2015-06-15 2015-06-17 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 Science 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 936955 D On June 12, 2015,the reporting person mistakenly filed a report on Form 4 which reported withholding of shares to satisfy the reporting person's tax liability in connection with the option exercise on June 15, 2015. This reported transaction did not occur and no shares were withheld in connection with the option exercise. Following the reportable transactions, the reporting person directly owned 936,955 shares of common stock. The error in column 5 of Table I also appears in subsequent Forms 4 filed through December 11, 2015. /s/ Ken Stupak, by power of attorney for Jack Y. Zhang 2016-02-03 /s/ Ken Stupak, by power of attorney for Mary Ziping Luo 2016-02-03