Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001104659-22-071082
Filing Date
2022-06-14
Accepted
2022-06-14 17:30:42
Documents
1
Period of Report
2022-06-10

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT tm2218317-1_4seq1.html 4  
1 OWNERSHIP DOCUMENT tm2218317-1_4seq1.xml 4 7105
  Complete submission text file 0001104659-22-071082.txt   8313
Mailing Address
Business Address
PRINS RICHARD K (Reporting) CIK: 0001047579 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-36509 | Film No.: 221015949

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