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.
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 | — |