0001104659-17-038770.txt : 20170612 0001104659-17-038770.hdr.sgml : 20170612 20170612194933 ACCESSION NUMBER: 0001104659-17-038770 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170608 FILED AS OF DATE: 20170612 DATE AS OF CHANGE: 20170612 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: Koo Richard CENTRAL INDEX KEY: 0001611219 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 17907767 MAIL ADDRESS: STREET 1: 11570 6TH STREET CITY: RANCHO CUCAMONGA STATE: CA ZIP: 91730 4 1 a4.xml 4 X0306 4 2017-06-08 0 0001297184 Amphastar Pharmaceuticals, Inc. AMPH 0001611219 Koo Richard C/O AMPHASTAR PHARMACEUTICALS, INC. 11570 6TH STREET RANCHO CUCAMONGA CA 91730 1 0 0 0 Common Stock 2017-06-08 4 A 0 5844 0 A 235338 D Common Stock 10000 I See footnote Stock Option (right to buy) 17.11 2017-06-08 4 A 0 20291 0 A 2022-06-08 Common Stock 20291 20291 D The reported securities are represented by restricted stock units, or RSUs, all of which vest on June 8, 2018. The reported shares are held directly by Richard Y. Koo, a sole proprietorship, for which the Reporting Person is the sole owner. All of the shares subject to the option vest on June 8, 2018. /s/ Ken Stupak, by power of attorney 2017-06-12