0001104659-16-146141.txt : 20160922 0001104659-16-146141.hdr.sgml : 20160922 20160922163934 ACCESSION NUMBER: 0001104659-16-146141 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20160920 FILED AS OF DATE: 20160922 DATE AS OF CHANGE: 20160922 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 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 161897961 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 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 161897962 MAIL ADDRESS: STREET 1: 11570 6TH STREET CITY: RANCHO CUCAMONGA STATE: CA ZIP: 91730 4 1 a4.xml 4 X0306 4 2016-09-20 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 2016-09-20 4 M 0 207350 16.753 A 1295685 D Common Stock 2016-09-20 4 S 0 76152 20.727 D 1219533 D Common Stock 2016-09-20 4 S 0 131198 21.3291 D 1088335 D Common Stock 2016-09-21 4 M 0 55081 16.753 A 1143416 D Common Stock 2016-09-21 4 S 0 54581 20.696 D 1088835 D Common Stock 2016-09-21 4 S 0 500 21.452 D 1088335 D Common Stock 2016-09-20 4 M 0 181768 16.753 A 934089 I See footnote Common Stock 2016-09-20 4 S 0 86555 20.7387 D 847534 I See footnote Common Stock 2016-09-20 4 S 0 95213 21.3279 D 752321 I See footnote Common Stock 7461594 I See footnote Common Stock 5000 I See footnote Common Stock 200000 I See footnote Employee Stock Option (right to buy) 16.753 2016-09-20 4 M 0 207350 0 D 2016-10-03 Common Stock 207350 55081 D Employee Stock Option (right to buy) 16.753 2016-09-21 4 M 0 55081 0 D 2016-10-03 Common Stock 55081 0 D Employee Stock Option (right to buy) 16.753 2016-09-20 4 M 0 181768 0 D 2016-10-03 Common Stock 181768 0 I See footnote The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 15, 2016. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.08 to $21.07 inclusive. The reporting persons undertake 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 within the ranges set forth in footnotes (2), (3), (4) and (5) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.08 to $21.53, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.21 to $21.17, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.26 to $21.50, inclusive. The securities are held of record by Mary Z. Luo. The reporting persons are husband and wife. The shares are held of record by APCL, of which the reporting persons are the sole owners. The shares are held of record in an account for the benefit of the reporting persons' son. The reporting persons disclaim beneficial ownership of these shares, and the inclusion of these shares in this report should not be deemed an admission of beneficial ownership of any such shares for purposes of Section 16, or for any other purpose. The shares are held of record by a trust for the benefit of the reporting persons' son. The reporting persons disclaim beneficial ownership of these shares, and the inclusion of these shares in this report should not be deemed an admission of beneficial ownership of any such shares for purposes of Section 16, or for any other purpose. Shares subject to the option are fully vested and immediately exercisable. /s/ Ken Stupak, by power of attorney for Jack Y. Zhang 2016-09-22 /s/ Ken Stupak, by power of attorney for Mary Z. Luo 2016-09-22