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Filing metadata

Accession number: 0001104659-22-035106
Form type: Form 4
Filer: Amphastar Pharmaceuticals, Inc.
CIK: CIK 1297184
Filed: Mar 17, 2022
Reporting period: Mar 16, 2022
Description: Insider transaction

Documents

0001104659-22-035106-index.htm

Complete submission

0001104659-22-035106.txt

directory listing

Filed by

Amphastar Pharmaceuticals, Inc.