Amphastar Pharmaceuticals, Inc. — S-1/A Filings
10 S-1/A filings on record
This page lists all S-1/A 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 S-1/A 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 |
|---|---|---|---|---|
| S-1/A | S-1/A | 0001047469-14-005704 | Jun 18, 2014 | — |
| S-1/A | S-1/A | 0001047469-14-005558 | Jun 13, 2014 | — |
| S-1/A | S-1/A | 0001047469-14-005387 | Jun 5, 2014 | — |
| S-1/A | S-1/A | 0001047469-06-004413 | Apr 3, 2006 | — |
| S-1/A | S-1/A | 0001047469-05-027336 | Nov 23, 2005 | — |
| S-1/A | S-1/A | 0001047469-05-025331 | Oct 27, 2005 | — |
| S-1/A | S-1/A | 0001047469-05-021586 | Aug 15, 2005 | — |
| S-1/A | S-1/A | 0001047469-05-018586 | Jul 1, 2005 | — |
| S-1/A | S-1/A | 0001047469-05-017950 | Jun 23, 2005 | — |
| S-1/A | S-1/A | 0001047469-05-014669 | May 13, 2005 | — |