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Amphastar Pharmaceuticals, Inc. — SC 13G Filings

5 SC 13G filings on record

This page lists all SC 13G filings submitted to the SEC by Amphastar Pharmaceuticals, Inc. (AMPH), sorted by most recent first. Each row links to the full filing on EdgarLookup. Amphastar Pharmaceuticals, Inc. has filed 5 SC 13G documents with the SEC since 2005. To view all SEC filings by Amphastar Pharmaceuticals, Inc., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-Q 144 3 3/A 4 4/A 424B4 8-A12B 8-K 8-K/A ARS CERTNAS CORRESP CT ORDER DEF 14A DEFA14A DRS DRS/A DRSLTR EFFECT FWP PRE 14A REGDEX RW S-1 S-1/A S-1MEF S-3 S-8 SC 13G SC 13G/A SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
SC 13G SCHEDULE 13G 0001104659-20-016489 Feb 11, 2020 —
SC 13G — 0000215457-17-000082 Jan 9, 2017 —
SC 13G SC 13G 0001104659-15-009569 Feb 12, 2015 —
SC 13G — 0000919574-14-003908 Jul 3, 2014 —
SC 13G — 0001193805-14-001340 Jun 30, 2014 —