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Amphastar Pharmaceuticals, Inc. (AMPH)
Ticker: AMPH
CIK: 0001297184
51
Filings Found (Last 1 Year)
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8-K
1/6/2026
Amphastar Pharmaceuticals, Inc. (AMPH) (CIK 0001297184)
Current report
8-K
Open Filing
4
12/17/2025
Zhou Rong (CIK 0001645326)
Insider trading report
Open Filing
4
12/11/2025
Petersen Floyd F. (CIK 0001611286)
Insider trading report
Open Filing
4
11/25/2025
PRINS RICHARD K (CIK 0001047579)
Insider trading report
Open Filing
4
11/13/2025
Petersen Floyd F. (CIK 0001611286)
Insider trading report
Open Filing
10-Q
9/30/2025
Amphastar Pharmaceuticals, Inc. (AMPH) (CIK 0001297184)
Quarterly report
10-Q
Open Filing
8-K
11/6/2025
Amphastar Pharmaceuticals, Inc. (AMPH) (CIK 0001297184)
Current report
8-K
Open Filing
4
11/3/2025
Petersen Floyd F. (CIK 0001611286)
Insider trading report
Open Filing
8-K
10/21/2025
Amphastar Pharmaceuticals, Inc. (AMPH) (CIK 0001297184)
Current report
1.01
Open Filing
4
10/1/2025
Petersen Floyd F. (CIK 0001611286)
Insider trading report
Open Filing
8-K
9/15/2025
Amphastar Pharmaceuticals, Inc. (AMPH) (CIK 0001297184)
Current report
8-K
Open Filing
4
9/2/2025
Petersen Floyd F. (CIK 0001611286)
Insider trading report
Open Filing
8-K
8/8/2025
Amphastar Pharmaceuticals, Inc. (AMPH) (CIK 0001297184)
Current report
8-K
Open Filing
10-Q
6/30/2025
Amphastar Pharmaceuticals, Inc. (AMPH) (CIK 0001297184)
Quarterly report
10-Q
Open Filing
8-K
8/7/2025
Amphastar Pharmaceuticals, Inc. (AMPH) (CIK 0001297184)
Current report
8-K
Open Filing
4
8/1/2025
Petersen Floyd F. (CIK 0001611286)
Insider trading report
Open Filing
4
7/18/2025
Gaugh David Russell (CIK 0002075974)
Insider trading report
Open Filing
8-K
7/18/2025
Amphastar Pharmaceuticals, Inc. (AMPH) (CIK 0001297184)
Current report
8-K
Open Filing
4
7/2/2025
Petersen Floyd F. (CIK 0001611286)
Insider trading report
Open Filing
4
6/13/2025
Luo Mary Z. (CIK 0001611156)
Insider trading report
Open Filing
4
6/2/2025
Deflin Gayle (CIK 0001866024)
Insider trading report
Open Filing
4
6/2/2025
Lee Howard (CIK 0001379941)
Insider trading report
Open Filing
4
6/2/2025
PRINS RICHARD K (CIK 0001047579)
Insider trading report
Open Filing
4
6/2/2025
Petersen Floyd F. (CIK 0001611286)
Insider trading report
Open Filing
8-K
6/2/2025
Amphastar Pharmaceuticals, Inc. (AMPH) (CIK 0001297184)
Current report
8-K
Open Filing
4
6/2/2025
ZASLOFF MICHAEL A (CIK 0001033511)
Insider trading report
Open Filing
4
6/2/2025
Gerst Diane G. (CIK 0001611283)
Insider trading report
Open Filing
4
5/19/2025
PETERS WILLIAM J (CIK 0001263136)
Insider trading report
Open Filing
10-Q
3/31/2025
Amphastar Pharmaceuticals, Inc. (AMPH) (CIK 0001297184)
Quarterly report
10-Q
Open Filing
8-K
5/7/2025
Amphastar Pharmaceuticals, Inc. (AMPH) (CIK 0001297184)
Current report
8-K
Open Filing
4
5/1/2025
Petersen Floyd F. (CIK 0001611286)
Insider trading report
Open Filing
4
4/1/2025
Petersen Floyd F. (CIK 0001611286)
Insider trading report
Open Filing
4
3/14/2025
Luo Mary Z. (CIK 0001611156)
Insider trading report
Open Filing
4
3/15/2025
Liawatidewi Yakob (CIK 0001743927)
Insider trading report
Open Filing
4
3/15/2025
Zhou Rong (CIK 0001645326)
Insider trading report
Open Filing
4
3/15/2025
PETERS WILLIAM J (CIK 0001263136)
Insider trading report
Open Filing
4
3/10/2025
Liawatidewi Yakob (CIK 0001743927)
Insider trading report
Open Filing
4
3/10/2025
PETERS WILLIAM J (CIK 0001263136)
Insider trading report
Open Filing
4
3/10/2025
Luo Mary Z. (CIK 0001611156)
Insider trading report
Open Filing
4
3/10/2025
Zhou Rong (CIK 0001645326)
Insider trading report
Open Filing
4
3/6/2025
Liawatidewi Yakob (CIK 0001743927)
Insider trading report
Open Filing
4
3/6/2025
Zhou Rong (CIK 0001645326)
Insider trading report
Open Filing
4
3/6/2025
Luo Mary Z. (CIK 0001611156)
Insider trading report
Open Filing
4
3/6/2025
PETERS WILLIAM J (CIK 0001263136)
Insider trading report
Open Filing
4
3/6/2025
Petersen Floyd F. (CIK 0001611286)
Insider trading report
Open Filing
4
3/4/2025
PETERS WILLIAM J (CIK 0001263136)
Insider trading report
Open Filing
4
3/4/2025
Liawatidewi Yakob (CIK 0001743927)
Insider trading report
Open Filing
4
3/4/2025
Luo Mary Z. (CIK 0001611156)
Insider trading report
Open Filing
4
3/4/2025
Zhou Rong (CIK 0001645326)
Insider trading report
Open Filing
10-K
12/31/2024
Amphastar Pharmaceuticals, Inc. (AMPH) (CIK 0001297184)
Annual report
10-K
Open Filing
8-K
2/27/2025
Amphastar Pharmaceuticals, Inc. (AMPH) (CIK 0001297184)
Current report
8-K
Open Filing
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