Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001047579-25-000006
Filing Date
2025-11-25
Accepted
2025-11-25 19:38:45
Documents
1
Period of Report
2025-11-25

Document Format Files

Seq Description Document Type Size
1 form4-11262025_121139.html 4  
1 form4-11262025_121139.xml 4 7333
  Complete submission text file 0001047579-25-000006.txt   8740
Mailing Address C/O AMPHASTAR PHARMACEUTICALS, INC. 11570 6TH STREET RANCHO CUCAMONGA CA 91730
Business Address
PRINS RICHARD K (Reporting) CIK: 0001047579 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-36509 | Film No.: 251523384

Mailing Address 11570 SIXTH STREET RANCHO CUCAMONGA CA 91730
Business Address 11570 SIXTH STREET RANCHO CUCAMONGA CA 91730 909-980-9484
Amphastar Pharmaceuticals, Inc. (Issuer) CIK: 0001297184 (see all company filings)

EIN.: 330702205 | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)