0001104659-23-063261.txt : 20230522
0001104659-23-063261.hdr.sgml : 20230522
20230522184913
ACCESSION NUMBER: 0001104659-23-063261
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20230518
FILED AS OF DATE: 20230522
DATE AS OF CHANGE: 20230522
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: PETERS WILLIAM J
CENTRAL INDEX KEY: 0001263136
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-36509
FILM NUMBER: 23946087
MAIL ADDRESS:
STREET 1: C/O AMPHASTAR PHARMACEUTICALS, INC.
STREET 2: 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
tm2315996-5_4seq1.xml
OWNERSHIP DOCUMENT
X0407
4
2023-05-18
0
0001297184
Amphastar Pharmaceuticals, Inc.
AMPH
0001263136
PETERS WILLIAM J
C/O AMPHASTAR PHARMACEUTICALS, INC.
11570 6TH STREET
RANCHO CUCAMONGA
CA
91730
1
1
0
0
CFO, EVP & Treasurer
1
Common Stock
2023-05-18
4
M
0
10500
13.35
A
115648
D
Common Stock
2023-05-18
4
S
0
10500
44.35
D
105148
D
Common Stock
2023-05-19
4
F
0
378
44.16
D
104770
D
Employee Stock Option (right to buy)
13.35
2023-05-18
4
M
0
10500
0
D
2027-03-16
Common Stock
10500
18490
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 18, 2022.
The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.
Shares subject to the option are fully vested and immediately exercisable.
/s/ William J. Peters
2023-05-22