0001104659-20-063226.txt : 20200518 0001104659-20-063226.hdr.sgml : 20200518 20200518163612 ACCESSION NUMBER: 0001104659-20-063226 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200514 FILED AS OF DATE: 20200518 DATE AS OF CHANGE: 20200518 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ZASLOFF MICHAEL A CENTRAL INDEX KEY: 0001033511 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 20890121 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 2020-05-14 0 0001297184 Amphastar Pharmaceuticals, Inc. AMPH 0001033511 ZASLOFF MICHAEL A C/O AMPHASTAR PHARMACEUTICALS, INC. 11570 6TH STREET RANCHO CUCAMONGA CA 91730 1 0 0 0 Common Stock 2020-05-14 4 M 0 14832 15.11 A 50168 D Common Stock 2020-05-14 4 S 0 14832 18.00 D 35336 D Common Stock 2020-05-15 4 M 0 22950 15.11 A 58286 D Common Stock 2020-05-15 4 S 0 22950 18.0253 D 35336 D Stock Option (right to buy) 15.11 2020-05-14 4 M 0 14832 0 D 2020-05-27 Common Stock 14832 22950 D Stock Option (right to buy) 15.11 2020-05-15 4 M 0 22950 0 D 2020-05-27 Common Stock 22950 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.00 to $18.24 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 2020-05-18