0001104659-23-118700.txt : 20231115
0001104659-23-118700.hdr.sgml : 20231115
20231115163126
ACCESSION NUMBER: 0001104659-23-118700
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20231113
FILED AS OF DATE: 20231115
DATE AS OF CHANGE: 20231115
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: PRINS RICHARD K
CENTRAL INDEX KEY: 0001047579
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-36509
FILM NUMBER: 231411026
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
tm2330835-2_4seq1.xml
OWNERSHIP DOCUMENT
X0508
4
2023-11-13
0
0001297184
Amphastar Pharmaceuticals, Inc.
AMPH
0001047579
PRINS RICHARD K
C/O AMPHASTAR PHARMACEUTICALS, INC.
11570 6TH STREET
RANCHO CUCAMONGA
CA
91730
1
0
0
0
0
Common Stock
2023-11-13
4
S
0
5000
52.50
D
35895
D
/s/ Eva Wen, by power of attorney
2023-11-15