Amphastar Pharmaceuticals, Inc. — 8-K Filings
97 8-K filings on record
This page lists all 8-K 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 97 8-K 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
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 |
|---|---|---|---|---|
| 8-K | 8-K | 0001297184-20-000058 | Nov 6, 2020 | Nov 3, 2020 |
| 8-K | 8-K | 0001558370-20-013013 | Nov 6, 2020 | — |
| 8-K | 8-K | 0001297184-20-000035 | Aug 6, 2020 | — |
| 8-K | 8-K | 0001297184-20-000031 | Jun 9, 2020 | Jun 8, 2020 |
| 8-K | 8-K | 0001297184-20-000023 | May 7, 2020 | — |
| 8-K | 8-K | 0001297184-20-000013 | Apr 13, 2020 | — |
| 8-K | 8-K | 0001297184-20-000003 | Mar 12, 2020 | — |
| 8-K | 8-K | 0001297184-19-000041 | Nov 7, 2019 | — |
| 8-K | 8-K | 0001297184-19-000033 | Aug 7, 2019 | — |
| 8-K | 8-K | 0001297184-19-000030 | Jun 19, 2019 | — |
| 8-K | FORM 8-K | 0001558370-19-005662 | Jun 13, 2019 | Jun 12, 2019 |
| 8-K | 8-K | 0001297184-19-000024 | May 9, 2019 | — |
| 8-K | 8-K | 0001297184-19-000009 | Mar 14, 2019 | — |
| 8-K | 8-K | 0001297184-19-000003 | Mar 12, 2019 | — |
| 8-K | 8-K | 0001297184-18-000046 | Nov 8, 2018 | — |
| 8-K | 8-K | 0001558370-18-008890 | Nov 8, 2018 | Nov 7, 2018 |
| 8-K | 8-K | 0001297184-18-000041 | Aug 8, 2018 | — |
| 8-K | 8-K | 0001297184-18-000036 | Jul 9, 2018 | Jul 2, 2018 |
| 8-K | 8-K | 0001297184-18-000031 | Jun 8, 2018 | Jun 7, 2018 |
| 8-K | 8-K | 0001297184-18-000027 | May 9, 2018 | — |
| 8-K | 8-K | 0001558370-18-002285 | Mar 21, 2018 | — |
| 8-K | 8-K | 0001297184-18-000007 | Mar 12, 2018 | — |
| 8-K | 8-K | 0001297184-17-000033 | Nov 8, 2017 | — |
| 8-K | 8-K | 0001297184-17-000026 | Aug 9, 2017 | — |
| 8-K | 8-K | 0001558370-17-005265 | Jul 24, 2017 | — |
| 8-K | 8-K | 0001297184-17-000020 | Jun 9, 2017 | Jun 8, 2017 |
| 8-K | 8-K | 0001297184-17-000017 | May 8, 2017 | — |
| 8-K | 8-K | 0001297184-17-000003 | Mar 13, 2017 | — |
| 8-K | 8-K | 0001558370-16-010637 | Dec 27, 2016 | — |
| 8-K | 8-K | 0001297184-16-000029 | Nov 10, 2016 | Nov 9, 2016 |
| 8-K | 8-K | 0001297184-16-000024 | Nov 8, 2016 | Sep 30, 2016 |
| 8-K | 8-K | 0001297184-16-000018 | Aug 8, 2016 | — |
| 8-K | 8-K | 0001558370-16-007297 | Aug 4, 2016 | Aug 1, 2016 |
| 8-K | 8-K | 0001297184-16-000014 | Jul 7, 2016 | Jun 30, 2016 |
| 8-K | 8-K | 0001297184-16-000010 | Jun 10, 2016 | Jun 9, 2016 |
| 8-K | 8-K | 0001297184-16-000007 | May 9, 2016 | — |
| 8-K | 8-K | 0001558370-16-004110 | Mar 14, 2016 | — |
| 8-K | 8-K | 0001558370-15-002630 | Nov 12, 2015 | — |
| 8-K | FORM 8-K FILING DOCUMENT | 0001171843-15-004597 | Aug 12, 2015 | — |
| 8-K | FORM 8-K FILING DOCUMENT | 0001171843-15-003533 | Jun 22, 2015 | — |
| 8-K | 8-K | 0001104659-15-042113 | Jun 1, 2015 | May 27, 2015 |
| 8-K | FORM 8-K FILING DOCUMENT | 0001171843-15-002788 | May 13, 2015 | — |
| 8-K | FORM 8-K FILING DOCUMENT | 0001171843-15-001600 | Mar 24, 2015 | — |
| 8-K | FORM 8-K FILING DOCUMENT | 0001171843-14-005466 | Nov 12, 2014 | — |
| 8-K | FORM 8-K FILING DOCUMENT | 0001171843-14-003915 | Aug 12, 2014 | — |
| 8-K | 8-K | 0001104659-14-057093 | Aug 6, 2014 | Jul 31, 2014 |
| 8-K | 8-K | 0001104659-14-049724 | Jul 1, 2014 | Jun 26, 2014 |