0001104659-24-032430.txt : 20240308
0001104659-24-032430.hdr.sgml : 20240308
20240308163200
ACCESSION NUMBER: 0001104659-24-032430
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20240306
FILED AS OF DATE: 20240308
DATE AS OF CHANGE: 20240308
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Luo Mary Z.
CENTRAL INDEX KEY: 0001611156
ORGANIZATION NAME:
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-36509
FILM NUMBER: 24734934
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
ORGANIZATION NAME:
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-36509
FILM NUMBER: 24734935
MAIL ADDRESS:
STREET 1: 11570 6TH 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]
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
tm248337-1_4seq1.xml
OWNERSHIP DOCUMENT
X0508
4
2024-03-06
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 Scientific 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
0
Common Stock
2024-03-06
4
F
0
7031
46.31
D
2135997
D
Common Stock
2024-03-06
4
F
0
2990
46.31
D
1128536
I
See footnote
Common Stock
6827679
I
See footnote
The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.
The securities are held of record by Mary Z. Luo. The reporting persons are husband and wife.
The shares are held of record by Applied Physics & Chemistry Laboratories, Inc., of which the reporting persons and The Bill Luobei Zhang 2004 Irrevocable Trust are the sole owners.
/s/ Eva Wen, by power of attorney for Jack Y. Zhang
2024-03-08
/s/ Eva Wen, by power of attorney for Mary Z. Luo
2024-03-08