0001104659-19-046144.txt : 20190815 0001104659-19-046144.hdr.sgml : 20190815 20190815160642 ACCESSION NUMBER: 0001104659-19-046144 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190813 FILED AS OF DATE: 20190815 DATE AS OF CHANGE: 20190815 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: PRINS RICHARD K CENTRAL INDEX KEY: 0001047579 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 191030332 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 2019-08-13 0 0001297184 Amphastar Pharmaceuticals, Inc. AMPH 0001047579 PRINS RICHARD K C/O AMPHASTAR PHARMACEUTICALS, INC. 11570 6TH STREET RANCHO CUCAMONGA CA 91730 1 0 0 0 Common Stock 2019-08-13 4 M 0 10000 15.11 A 49309 D Common Stock 2019-08-13 4 S 0 10000 20.7781 D 39309 D Common Stock 15.11 2019-08-13 4 M 0 10000 0 D 2020-05-27 Common Stock 10000 37782 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.62 to $20.865, 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. Shares subject to the option are fully vested and immediately exercisable. /s/ Eva Wen, by power of attorney 2019-08-15