0001104659-23-123689.txt : 20231205
0001104659-23-123689.hdr.sgml : 20231205
20231205182504
ACCESSION NUMBER: 0001104659-23-123689
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20231201
FILED AS OF DATE: 20231205
DATE AS OF CHANGE: 20231205
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Zhou Rong
CENTRAL INDEX KEY: 0001645326
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-36509
FILM NUMBER: 231467969
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
tm2332102-2_4seq1.xml
OWNERSHIP DOCUMENT
X0508
4
2023-12-01
0
0001297184
Amphastar Pharmaceuticals, Inc.
AMPH
0001645326
Zhou Rong
C/O AMPHASTAR PHARMACEUTICALS, INC.
11570 6TH STREET
RANCHO CUCAMONGA,
CA
91730
0
1
0
0
Senior EVP, Production Center
0
Common Stock
2023-12-01
4
M
0
4316
14.40
A
116736
D
Common Stock
2023-12-01
4
S
0
4316
58.58
D
112420
D
Common Stock
2023-12-04
4
M
0
3514
16.19
A
115934
D
Common Stock
2023-12-04
4
S
0
3514
59.58
D
112420
D
Common Stock
99668
I
See footnote
Common Stock
5000
I
See footnote
Employee Stock Option (right to buy)
14.40
2023-12-01
4
M
0
4316
0
D
2024-04-14
Common Stock
4316
0
D
Employee Stock Option (right to buy)
16.19
2023-12-04
4
M
0
3514
0
D
2025-06-15
Common Stock
3514
0
D
Includes 79 shares acquired under the Issuer's 2014 Employee Stock Purchase Plan on November 30, 2023.
The shares are held of record by the Zhou Family Trust for which the reporting person serves as a trustee.
The shares are held of record by the reporting person's spouse.
Shares subject to the option are fully vested and immediately exercisable.
/s/ Eva Wen, by power of attorney
2023-12-05