https://www.developersdigest.tech/markets/amph/filings Latest company filings for Amphastar Pharmaceuticals, Inc. (AMPH) - annual reports, quarterly reports, major events, and insider trades, newest first. en Mon, 13 Jul 2026 11:01:56 GMT https://www.sec.gov/Archives/edgar/data/1297184/000129718426000033/amph-20260331x10q.htm 0001297184-26-000033 Thu, 07 May 2026 12:00:00 GMT 10-Q https://www.sec.gov/Archives/edgar/data/1297184/000129718426000031/amph-20260507x8k.htm 0001297184-26-000031 Thu, 07 May 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1297184/000129718426000027/amph-20251231xars.pdf 0001297184-26-000027 Mon, 13 Apr 2026 12:00:00 GMT ARS https://www.sec.gov/Archives/edgar/data/1297184/000129718426000025/amph-20260413xdefa14a.htm 0001297184-26-000025 Mon, 13 Apr 2026 12:00:00 GMT DEFA14A https://www.sec.gov/Archives/edgar/data/1297184/000129718426000023/amph-20260601xdef14a.htm 0001297184-26-000023 Mon, 13 Apr 2026 12:00:00 GMT DEF 14A https://www.sec.gov/Archives/edgar/data/1297184/000010290926000687/xslSCHEDULE_13G_X02/primary_doc.xml 0000102909-26-000687 Thu, 26 Mar 2026 12:00:00 GMT SCHEDULE 13G/A https://www.sec.gov/Archives/edgar/data/1297184/000174392726000010/xslF345X05/form4-03182026_120345.xml 0001743927-26-000010 Tue, 17 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000164532626000010/xslF345X05/form4-03172026_100316.xml 0001645326-26-000010 Tue, 17 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000126313626000010/xslF345X05/form4-03172026_100317.xml 0001263136-26-000010 Tue, 17 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000088974026000007/xslF345X05/form4-03172026_100314.xml 0000889740-26-000007 Tue, 17 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000110465926027814/amph-20260312x8k.htm 0001104659-26-027814 Mon, 16 Mar 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1297184/000174392726000008/xslF345X05/form4-03112026_100320.xml 0001743927-26-000008 Wed, 11 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000164532626000008/xslF345X05/form4-03122026_120349.xml 0001645326-26-000008 Wed, 11 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000126313626000008/xslF345X05/form4-03122026_010320.xml 0001263136-26-000008 Wed, 11 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000088974026000005/xslF345X05/form4-03112026_090314.xml 0000889740-26-000005 Wed, 11 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000174392726000006/xslF345X05/form4-03102026_090348.xml 0001743927-26-000006 Tue, 10 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000164532626000006/xslF345X05/form4-03102026_090304.xml 0001645326-26-000006 Tue, 10 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000126313626000006/xslF345X05/form4-03112026_010304.xml 0001263136-26-000006 Tue, 10 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000088974026000003/xslF345X05/form4-03102026_090333.xml 0000889740-26-000003 Tue, 10 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000174392726000003/xslF345X05/form4-03072026_020310.xml 0001743927-26-000003 Fri, 06 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000164532626000003/xslF345X05/form4-03072026_020329.xml 0001645326-26-000003 Fri, 06 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000129718426000015/amph-20260303x8k.htm 0001297184-26-000015 Fri, 06 Mar 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1297184/000129718426000013/amph-20260303x8k.htm 0001297184-26-000013 Fri, 06 Mar 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1297184/000126313626000003/xslF345X05/form4-03072026_020346.xml 0001263136-26-000003 Fri, 06 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000110465926024842/xslF345X05/tm268303d1_form4.xml 0001104659-26-024842 Fri, 06 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000129718426000009/amph-20251231x10k.htm 0001297184-26-000009 Thu, 26 Feb 2026 12:00:00 GMT 10-K https://www.sec.gov/Archives/edgar/data/1297184/000129718426000007/amph-20260226x8k.htm 0001297184-26-000007 Thu, 26 Feb 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1297184/000129718426000002/amph-20260106x8k.htm 0001297184-26-000002 Mon, 12 Jan 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1297184/000164532625000004/xslF345X05/form4-12182025_101219.xml 0001645326-25-000004 Thu, 18 Dec 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000161128625000011/xslF345X05/form4-12152025_101237.xml 0001611286-25-000011 Mon, 15 Dec 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000196922325001078/xsl144X01/primary_doc.xml 0001969223-25-001078 Thu, 11 Dec 2025 12:00:00 GMT 144 https://www.sec.gov/Archives/edgar/data/1297184/000196922325001063/xsl144X01/primary_doc.xml 0001969223-25-001063 Wed, 10 Dec 2025 12:00:00 GMT 144 https://www.sec.gov/Archives/edgar/data/1297184/000196922325001002/xsl144X01/primary_doc.xml 0001969223-25-001002 Fri, 28 Nov 2025 12:00:00 GMT 144 https://www.sec.gov/Archives/edgar/data/1297184/000196922325000996/xsl144X01/primary_doc.xml 0001969223-25-000996 Tue, 25 Nov 2025 12:00:00 GMT 144 https://www.sec.gov/Archives/edgar/data/1297184/000104757925000006/xslF345X05/form4-11262025_121139.xml 0001047579-25-000006 Tue, 25 Nov 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000161128625000009/xslF345X05/form4-11172025_091127.xml 0001611286-25-000009 Mon, 17 Nov 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000196922325000949/xsl144X01/primary_doc.xml 0001969223-25-000949 Thu, 13 Nov 2025 12:00:00 GMT 144 https://www.sec.gov/Archives/edgar/data/1297184/000129718425000064/amph-20250930x10q.htm 0001297184-25-000064 Thu, 06 Nov 2025 12:00:00 GMT 10-Q https://www.sec.gov/Archives/edgar/data/1297184/000129718425000062/amph-20251106x8k.htm 0001297184-25-000062 Thu, 06 Nov 2025 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1297184/000161128625000007/xslF345X05/form4-11052025_091106.xml 0001611286-25-000007 Wed, 05 Nov 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000196922325000906/xsl144X01/primary_doc.xml 0001969223-25-000906 Mon, 03 Nov 2025 12:00:00 GMT 144 https://www.sec.gov/Archives/edgar/data/1297184/000129718425000058/amph-20251021x8k.htm 0001297184-25-000058 Fri, 24 Oct 2025 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1297184/000201238325001740/xslSCHEDULE_13G_X01/primary_doc.xml 0002012383-25-001740 Fri, 17 Oct 2025 12:00:00 GMT SCHEDULE 13G/A https://www.sec.gov/Archives/edgar/data/1297184/000161128625000005/xslF345X05/form4-10022025_091021.xml 0001611286-25-000005 Thu, 02 Oct 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000196922325000812/xsl144X01/primary_doc.xml 0001969223-25-000812 Wed, 01 Oct 2025 12:00:00 GMT 144 https://www.sec.gov/Archives/edgar/data/1297184/000129718425000054/amph-20250915x8k.htm 0001297184-25-000054 Thu, 18 Sep 2025 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1297184/000141588925023538/xslF345X05/form4-09032025_080942.xml 0001415889-25-023538 Wed, 03 Sep 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/1297184/000196922325000696/xsl144X01/primary_doc.xml 0001969223-25-000696 Tue, 02 Sep 2025 12:00:00 GMT 144 https://www.sec.gov/Archives/edgar/data/1297184/000155837025011134/amph-20250808x8k.htm 0001558370-25-011134 Tue, 12 Aug 2025 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1297184/000129718425000050/amph-20250630x10q.htm 0001297184-25-000050 Thu, 07 Aug 2025 12:00:00 GMT 10-Q