Amphastar Pharmaceuticals Inc. Stock price history, chart, earnings | 123jump
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Amphastar Pharmaceuticals Inc.

Website Investor Relation


Amphastar pharmaceuticals inc.

Health-Care > Major-Pharmaceuticals

AMPH


Links

Website
Investor Relation
10K
10Q
Prospectus

Price

  • Last Close
  • $ 21.81 0.62 % +0.13
    Apr 16, 2026
  • Trading Volume
  • 10,762
  • 52-Week High/Low
  • $63 - $39

  • Market Cap Full
  • $ 2.3B
  • YTD
  • -40%

Returns +
Q

2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016
Q1 -47% -2.3% -29.1% 33.8% 52.9% -9.9% -5% 2.7% -2.6% -21.3% -
Q2 - 72.7% -7% 53.3% -3.1% 11.3% 4% 0.3% -16.3% 23.2% -
Q3 - 72.7% 12% -20% -19.2% -4.6% 8% -4.1% 25% 0.1% -
Q4 - 72.7% -15.3% 35.2% -0.3% 22.1% 7.3% -5.3% 3.3% 2.9% -

Returns +
M

J F M A M J J A S O N D
2026 - - - - - - - - - - - -
2025 -2.3% - - - - - - - - - - -

Returns +
A

2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016
AMPH -40%-2%-40%121%19%17%5%-4%3%4%29%

Earnings

id company_name ticker sector industry addresss state city zip country
Q1
Q2
Q3
Q4
A

Annual
Returns


52 Week
High/Low

Annual
Earnings

Chart

Trading Volume

Data Sources Disclaimer