Amphastar Pharmaceuticals, Inc. — CORRESP Filings
10 CORRESP filings on record
This page lists all CORRESP 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 10 CORRESP 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 |
|---|---|---|---|---|
| CORRESP | — | 0001297184-21-000067 | Nov 17, 2021 | — |
| CORRESP | — | 0001297184-18-000053 | Nov 16, 2018 | — |
| CORRESP | — | 0001297184-16-000021 | Oct 14, 2016 | — |
| CORRESP | — | 0001193125-15-252420 | Jul 14, 2015 | — |
| CORRESP | — | 0001104659-14-047237 | Jun 19, 2014 | — |
| CORRESP | — | 0001104659-14-047236 | Jun 19, 2014 | — |
| CORRESP | — | 0001104659-14-045749 | Jun 12, 2014 | — |
| CORRESP | — | 0001104659-14-044919 | Jun 9, 2014 | — |
| CORRESP | — | 0001104659-14-044266 | Jun 5, 2014 | — |
| CORRESP | — | 0001104659-14-040163 | May 19, 2014 | — |