Amphastar Pharmaceuticals, Inc. — 144 Filings
60 144 filings on record
This page lists all 144 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 60 144 documents with the SEC since 2005. To view all SEC filings by Amphastar Pharmaceuticals, Inc., see the full filings list.
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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
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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 |
|---|---|---|---|---|
| 144 | — | 0001969223-25-001078 | Dec 11, 2025 | — |
| 144 | — | 0001969223-25-001063 | Dec 10, 2025 | — |
| 144 | — | 0001969223-25-001002 | Nov 28, 2025 | — |
| 144 | — | 0001969223-25-000996 | Nov 25, 2025 | — |
| 144 | — | 0001969223-25-000949 | Nov 13, 2025 | — |
| 144 | — | 0001969223-25-000906 | Nov 3, 2025 | — |
| 144 | — | 0001969223-25-000812 | Oct 1, 2025 | — |
| 144 | — | 0001969223-25-000696 | Sep 2, 2025 | — |
| 144 | — | 0001969223-25-000553 | Aug 1, 2025 | — |
| 144 | — | 0001969223-25-000486 | Jul 2, 2025 | — |
| 144 | — | 0001969223-25-000376 | Jun 2, 2025 | — |
| 144 | — | 0001969223-25-000250 | May 1, 2025 | — |
| 144 | — | 0001973141-25-000171 | Apr 1, 2025 | — |
| 144 | — | 0001973141-25-000139 | Mar 6, 2025 | — |
| 144 | — | 0001973141-25-000127 | Mar 4, 2025 | — |
| 144 | — | 0001969223-24-000892 | Dec 9, 2024 | — |
| 144 | — | 0001969223-24-000812 | Nov 12, 2024 | — |
| 144 | — | 0001969223-24-000811 | Nov 12, 2024 | — |
| 144 | — | 0001973141-24-000541 | Nov 6, 2024 | — |
| 144 | — | 0001973141-24-000540 | Nov 6, 2024 | — |
| 144 | — | 0001969223-24-000680 | Sep 5, 2024 | — |
| 144 | — | 0001969223-24-000636 | Aug 26, 2024 | — |
| 144 | — | 0001969223-24-000591 | Aug 12, 2024 | — |
| 144 | — | 0001973141-24-000376 | Jul 31, 2024 | — |
| 144 | — | 0001973141-24-000325 | Jun 27, 2024 | — |
| 144 | — | 0001969223-24-000460 | Jun 10, 2024 | — |
| 144 | — | 0001973141-24-000280 | Jun 3, 2024 | — |
| 144 | — | 0001973141-24-000247 | May 1, 2024 | — |
| 144 | — | 0001973141-24-000201 | Apr 1, 2024 | — |
| 144 | — | 0001973141-24-000158 | Mar 6, 2024 | — |
| 144 | — | 0001969223-24-000202 | Mar 5, 2024 | — |
| 144 | — | 0001973141-24-000143 | Mar 1, 2024 | — |
| 144 | — | 0001973141-24-000060 | Feb 1, 2024 | — |
| 144 | — | 0001973141-24-000027 | Jan 10, 2024 | — |
| 144 | — | 0001973141-24-000024 | Jan 9, 2024 | — |
| 144 | — | 0001973141-24-000023 | Jan 8, 2024 | — |
| 144 | — | 0001973141-24-000008 | Jan 2, 2024 | — |
| 144 | — | 0001973141-23-000323 | Dec 1, 2023 | — |
| 144 | — | 0001969223-23-000458 | Nov 17, 2023 | — |
| 144 | — | 0001973141-23-000295 | Nov 14, 2023 | — |
| 144 | — | 0001969223-23-000431 | Nov 13, 2023 | — |
| 144 | — | 0001969223-23-000430 | Nov 13, 2023 | — |
| 144 | — | 0001973141-23-000272 | Nov 1, 2023 | — |
| 144 | — | 0001973141-23-000227 | Oct 2, 2023 | — |
| 144 | — | 0001973141-23-000204 | Sep 6, 2023 | — |
| 144 | — | 0001973141-23-000192 | Aug 28, 2023 | — |
| 144 | — | 0001969223-23-000289 | Aug 15, 2023 | — |
| 144 | — | 0001969223-23-000287 | Aug 15, 2023 | — |
| 144 | — | 0001973141-23-000091 | Jun 15, 2023 | — |
| 144 | — | 0001973141-23-000063 | Jun 2, 2023 | — |