0001415889-24-007093.txt : 20240306 0001415889-24-007093.hdr.sgml : 20240306 20240306175725 ACCESSION NUMBER: 0001415889-24-007093 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240305 FILED AS OF DATE: 20240306 DATE AS OF CHANGE: 20240306 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ZASLOFF MICHAEL A CENTRAL INDEX KEY: 0001033511 ORGANIZATION NAME: STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 24727364 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Amphastar Pharmaceuticals, Inc. CENTRAL INDEX KEY: 0001297184 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences 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 form4-03062024_100318.xml X0508 4 2024-03-05 0001297184 Amphastar Pharmaceuticals, Inc. AMPH 0001033511 ZASLOFF MICHAEL A C/O AMPHASTAR PHARMACEUTICALS, INC. 11570 6TH STREET RANCHO CUCAMONGA CA 91730 true false false false 0 Common Stock 2024-03-05 4 S 0 9389 47.0626 D 24437 D Common Stock 2024-03-05 4 S 0 3111 47.526 D 21326 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.435 to $47.43, 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 within the ranges set forth in footnotes (1) and (2) 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 $47.435 to $47.68, inclusive. /s/ Eva Wen, by power of attorney 2024-03-06