4 | SEC Filings Hub

Filing metadata

Accession number: 0001104659-23-034574
Form type: Form 4
Filer: Amphastar Pharmaceuticals, Inc.
CIK: CIK 1297184
Filed: Mar 20, 2023
Reporting period: Mar 16, 2023
Description: Insider transaction

Documents

0001104659-23-034574-index.htm

Complete submission

0001104659-23-034574.txt

directory listing

Filed by

Amphastar Pharmaceuticals, Inc.