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Amphastar Pharmaceuticals, Inc. — ARS Filings

4 ARS filings on record

This page lists all ARS 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 4 ARS 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
ARS ARS 0001297184-25-000022 Apr 14, 2025 Dec 31, 2024
ARS ARS 0001297184-24-000025 Apr 12, 2024 Dec 31, 2023
ARS ARS 0001297184-23-000040 Apr 14, 2023 Dec 31, 2022
ARS AUTO-GENERATED PAPER DOCUMENT 9999999997-15-008500 Apr 9, 2015 Dec 31, 2014