0001104659-18-068859.txt : 20181115 0001104659-18-068859.hdr.sgml : 20181115 20181115192128 ACCESSION NUMBER: 0001104659-18-068859 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20181114 FILED AS OF DATE: 20181115 DATE AS OF CHANGE: 20181115 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: 181188400 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 2018-11-14 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 2018-11-14 4 M 0 5000 14.66 A 40434 D Common Stock 2018-11-14 4 S 0 5000 20.2333 D 35434 D Stock Option (right to buy) 14.66 2018-11-14 4 M 0 5000 0 D 2018-12-20 Common Stock 5000 5000 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.20 to $20.28, 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 2018-11-15