0001104659-22-035735.txt : 20220318
0001104659-22-035735.hdr.sgml : 20220318
20220318185425
ACCESSION NUMBER: 0001104659-22-035735
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20220316
FILED AS OF DATE: 20220318
DATE AS OF CHANGE: 20220318
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Luo Mary Z.
CENTRAL INDEX KEY: 0001611156
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-36509
FILM NUMBER: 22753828
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
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-36509
FILM NUMBER: 22753829
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]
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
tm227973-11_4seq1.xml
OWNERSHIP DOCUMENT
X0306
4
2022-03-16
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
CEO & Chief Scientific Officer
Common Stock
2022-03-16
4
F
0
25241
34.22
D
2357782
D
Common Stock
2022-03-17
4
F
0
15768
34.18
D
2342014
D
Common Stock
2022-03-16
4
F
0
10426
34.22
D
1505571
I
See footnote
Common Stock
2022-03-17
4
F
0
7052
34.18
D
1498519
I
See footnote
Common Stock
6827679
I
See footnote
Common Stock
5000
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.
The shares are held of record in an account for the benefit of the reporting persons' son. The reporting persons disclaim beneficial ownership of these shares, and the inclusion of these shares in this report should not be deemed an admission of beneficial ownership of any such shares for purposes of Section 16, or for any other purpose.
/s/ Eva Wen, by power of attorney for Jack Y. Zhang
2022-03-18
/s/ Eva Wen, by power of attorney for Mary Z. Luo
2022-03-18