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Amphastar Pharmaceuticals, Inc. — 3 Filings

19 3 filings on record

This page lists all 3 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 19 3 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
3 0001415889-25-020121 Jul 22, 2025 Jul 18, 2025
3 OWNERSHIP DOCUMENT 0001104659-21-078406 Jun 8, 2021 Jun 7, 2021
3 3 0001104659-20-071604 Jun 9, 2020 Jun 8, 2020
3 3 0001104659-19-035437 Jun 13, 2019 Jun 12, 2019
3 3 0001104659-18-040824 Jun 18, 2018 Jun 7, 2018
3 FORM 3 SUBMISSION 0001209191-15-054331 Jun 17, 2015 Jun 9, 2015
3 3 0001104659-14-048112 Jun 24, 2014
3 3 0001104659-14-048111 Jun 24, 2014
3 3 0001104659-14-048110 Jun 24, 2014
3 3 0001104659-14-048109 Jun 24, 2014
3 3 0001104659-14-048108 Jun 24, 2014
3 3 0001104659-14-048107 Jun 24, 2014
3 3 0001104659-14-048106 Jun 24, 2014
3 3 0001104659-14-048105 Jun 24, 2014
3 3 0001104659-14-048104 Jun 24, 2014
3 3 0001104659-14-048103 Jun 24, 2014
3 3 0001104659-14-048102 Jun 24, 2014
3 3 0001104659-14-048100 Jun 24, 2014
3 3 0001104659-14-048099 Jun 24, 2014