4 | SEC Filings Hub

Filing metadata

Accession number: 0001104659-21-149242
Form type: Form 4
Filer: Amphastar Pharmaceuticals, Inc.
CIK: CIK 1297184
Filed: Dec 13, 2021
Reporting period: Dec 10, 2021
Description: Insider transaction

Documents

0001104659-21-149242-index.htm

Complete submission

0001104659-21-149242.txt

directory listing

Filed by

Amphastar Pharmaceuticals, Inc.