0001104659-23-068054.txt : 20230605 0001104659-23-068054.hdr.sgml : 20230605 20230605161806 ACCESSION NUMBER: 0001104659-23-068054 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230601 FILED AS OF DATE: 20230605 DATE AS OF CHANGE: 20230605 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Lee Howard CENTRAL INDEX KEY: 0001379941 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 23992750 MAIL ADDRESS: STREET 1: 13F-2, NO. 36, LANE 48, SECTION 3 STREET 2: NAN-JING EAST ROAD CITY: TAIPEI, TAIWAN STATE: F4 ZIP: 00000 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 tm2317726-1_4seq1.xml OWNERSHIP DOCUMENT X0407 4 2023-06-01 0 0001297184 Amphastar Pharmaceuticals, Inc. AMPH 0001379941 Lee Howard C/O AMPHASTAR PHARMACEUTICALS, INC. 11570 6TH STREET RANCHO CUCAMONGA CA 91730 1 0 0 0 0 Common Stock 2023-06-01 4 M 0 16679 16.69 A 159618 D Common Stock 2023-06-01 4 S 0 16679 45.0243 D 142939 D Stock Option (right to buy) 16.69 2023-06-01 4 M 0 16679 0 D 2026-06-07 Common Stock 16679 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.80 to $45.29, inclusive. The reporting person undertakes to provide 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 2023-06-05