81 filings
8-K
AMPH
Amphastar Pharmaceuticals Inc
28 Feb 24
Amphastar Pharmaceuticals Reports Financial Results for the Three Months and Full-Year Ended December 31, 2023
4:38pm
8-K
AMPH
Amphastar Pharmaceuticals Inc
8 Nov 23
Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended September 30, 2023
4:14pm
8-K
AMPH
Amphastar Pharmaceuticals Inc
15 Sep 23
Amphastar Pharmaceuticals Announces Proposed Private Offering of $300.0 Million of Convertible Senior Notes
4:11pm
8-K/A
AMPH
Amphastar Pharmaceuticals Inc
16 Aug 23
Abbreviated Financial Statements
5:24pm
8-K
AMPH
Amphastar Pharmaceuticals Inc
8 Aug 23
Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended June 30, 2023
4:17pm
8-K
io70m6oksi7zh
30 Jun 23
Amphastar Pharmaceuticals Completes Acquisition of BAQSIMI from Lilly
4:21pm
8-K
4pc4vsy433i53kbi6i
5 Jun 23
Submission of Matters to a Vote of Security Holders
6:32pm
8-K
i5bcqy9azfpf
9 May 23
Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended March 31, 2023
4:19pm
8-K
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24 Apr 23
Entry into a Material Definitive Agreement
7:17am
8-K
c27trhnqxo4
10 Mar 23
Entry into a Material Definitive Agreement
4:08pm
8-K
71clrcyt0n7pf374kf
28 Feb 23
Amphastar Pharmaceuticals Reports Financial Results for the Three Months and Full-Year Ended December 31, 2022
4:21pm
8-K
em2goze7ifwc07do8z
24 Feb 23
Amendments to Articles of Incorporation or Bylaws
4:20pm
8-K
8ha1qvxq6avpsjzcawfr
18 Nov 22
Entry into a Material Definitive Agreement
4:17pm
8-K
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7 Nov 22
Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended September 30, 2022
4:20pm
8-K
xpr99ewvlo1fga40oof
9 Aug 22
Departure of Directors or Certain Officers
12:00am
8-K
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8 Aug 22
Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended June 30, 2022
4:23pm
8-K
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8 Jul 22
Entry into a Material Definitive Agreement
4:25pm
8-K
2ya 8c0pkgeyr
13 Jun 22
Submission of Matters to a Vote of Security Holders
4:17pm
8-K
6hp c0ecikyu
9 May 22
Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended March 31, 2022
4:22pm
8-K
goou6
22 Apr 22
Entry into a Material Definitive Agreement
4:13pm