0001104659-23-096618.txt : 20230829 0001104659-23-096618.hdr.sgml : 20230829 20230829185415 ACCESSION NUMBER: 0001104659-23-096618 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230828 FILED AS OF DATE: 20230829 DATE AS OF CHANGE: 20230829 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Liawatidewi Yakob CENTRAL INDEX KEY: 0001743927 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36509 FILM NUMBER: 231223436 MAIL ADDRESS: STREET 1: C/O AMPHASTAR PHARMACEUTICALS INC STREET 2: 11570 SIXTH STREET CITY: RANCHO CUCAMONGA STATE: CA ZIP: 91730 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 tm2325070-1_4seq1.xml OWNERSHIP DOCUMENT X0508 4 2023-08-28 0 0001297184 Amphastar Pharmaceuticals, Inc. AMPH 0001743927 Liawatidewi Yakob C/O AMPHASTAR PHARMACEUTICALS, INC. 11570 6TH STREET RANCHO CUCAMONGA CA 91730 1 1 0 0 EVP Corp Admin Center 0 Common Stock 2023-08-28 4 M 0 3319 16.96 A 72988 D Common Stock 2023-08-28 4 M 0 5497 20.23 A 78485 D Common Stock 2023-08-28 4 M 0 20000 13.03 A 98485 D Common Stock 2023-08-28 4 S 0 28816 53.13 D 69669 D Common Stock 2459 I See footnote Employee Stock Option (right to buy) 16.96 2023-08-28 4 M 0 3319 0 D 2028-06-14 Common Stock 3319 0 D Employee Stock Option (right to buy) 20.23 2023-08-28 4 M 0 5497 0 D 2029-03-15 Common Stock 5497 0 D Employee Stock Option (right to buy) 13.03 2023-08-28 4 M 0 20000 0 D 2030-03-16 Common Stock 20000 16176 D The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 19, 2023. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.87 to $53.74, 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. The reported shares are held of record by the Yakob and Sunmoon Trust dated July 25, 2013 for which the reporting person serves as a trustee. Shares subject to the option are fully vested and immediately exercisable. Shares subject to the option vest in four equal annual installments beginning on March 16, 2021. /s/ Eva Wen, by power of attorney 2023-08-29