Financial reports
ARS
2023 FY
Annual report to shareholders
12 Apr 24
10-K
2023 FY
Annual report
29 Feb 24
10-Q
2023 Q3
Quarterly report
8 Nov 23
10-Q
2023 Q2
Quarterly report
8 Aug 23
10-Q
2023 Q1
Quarterly report
9 May 23
ARS
2022 FY
Annual report to shareholders
14 Apr 23
10-K
2022 FY
Annual report
1 Mar 23
10-Q
2022 Q3
Quarterly report
7 Nov 22
10-Q
2022 Q2
Quarterly report
8 Aug 22
10-Q
2022 Q1
Quarterly report
9 May 22
Current reports
8-K
Amphastar Pharmaceuticals Reports Financial Results for the Three Months and Full-Year Ended December 31, 2023
28 Feb 24
8-K
Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended September 30, 2023
8 Nov 23
8-K
Amphastar Pharmaceuticals Announces Proposed Private Offering of $300.0 Million of Convertible Senior Notes
15 Sep 23
8-K/A
Abbreviated Financial Statements
16 Aug 23
8-K
Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended June 30, 2023
8 Aug 23
8-K
Amphastar Pharmaceuticals Completes Acquisition of BAQSIMI from Lilly
30 Jun 23
8-K
Submission of Matters to a Vote of Security Holders
5 Jun 23
8-K
Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended March 31, 2023
9 May 23
8-K
Entry into a Material Definitive Agreement
24 Apr 23
8-K
Entry into a Material Definitive Agreement
10 Mar 23
Registration and prospectus
S-8
Registration of securities for employees
29 Feb 24
S-8
Registration of securities for employees
1 Mar 23
S-8
Registration of securities for employees
11 Mar 22
S-3
Shelf registration
9 Nov 21
S-8
Registration of securities for employees
15 Mar 21
S-8
Registration of securities for employees
16 Mar 20
S-8
Registration of securities for employees
15 Mar 19
S-3
Shelf registration
9 Nov 18
S-8
Registration of securities for employees
14 Mar 18
S-8
Registration of securities for employees
15 Mar 17
Proxies
DEFA14A
Additional proxy soliciting materials
19 Apr 24
DEFA14A
Additional proxy soliciting materials
12 Apr 24
DEF 14A
Definitive proxy
12 Apr 24
DEFA14A
Additional proxy soliciting materials
14 Apr 23
DEF 14A
Definitive proxy
14 Apr 23
DEFA14A
Additional proxy soliciting materials
14 Apr 22
DEF 14A
Definitive proxy
14 Apr 22
DEFA14A
Additional proxy soliciting materials
7 May 21
DEFA14A
Additional proxy soliciting materials
14 Apr 21
DEF 14A
Definitive proxy
14 Apr 21
Other
EFFECT
Notice of effectiveness
22 Nov 21
CORRESP
Correspondence with SEC
17 Nov 21
UPLOAD
Letter from SEC
15 Nov 21
EFFECT
Notice of effectiveness
21 Nov 18
CORRESP
Correspondence with SEC
16 Nov 18
UPLOAD
Letter from SEC
15 Nov 18
CT ORDER
Confidential treatment order
26 Apr 17
UPLOAD
Letter from SEC
3 Nov 16
CORRESP
Correspondence with SEC
14 Oct 16
UPLOAD
Letter from SEC
27 Sep 16