Amphastar Pharmaceuticals, Inc. (AMPH) stock
AMPHNasdaqPharmaceutical PreparationsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 13/3033% below fair value
$28.60−0.46 (-1.58%)
Close on Nov 11, 2026Market cap $1.22BP/E 13.0Yield –
Amphastar Pharmaceuticals operating margin
Operating margin is operating income as a percentage of revenue.
Amphastar Pharmaceuticals's operating margin for the twelve months ending Sep 30, 2026 was 18.7%. For fiscal 2025 it was 19.5%, against 28.1% the year before. The highest annual figure on record is 30.6% in fiscal 2023.
Annual operating margin
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| FY2025 | Dec 31, 2025 | 19.5% | −8.6 |
| FY2024 | Dec 31, 2024 | 28.1% | −2.5 |
| FY2023 | Dec 31, 2023 | 30.6% | +9.0 |
| FY2022 | Dec 31, 2022 | 21.5% | +5.6 |
| FY2021 | Dec 31, 2021 | 16.0% | +12.8 |
| FY2020 | Dec 31, 2020 | 3.1% | +3.1 |
| FY2019 | Dec 31, 2019 | -0.0% | +2.9 |
| FY2018 | Dec 31, 2018 | -2.9% | −2.4 |
| FY2017 | Dec 31, 2017 | -0.5% | −6.6 |
| FY2016 | Dec 31, 2016 | 6.0% | +8.8 |
| FY2015 | Dec 31, 2015 | -2.7% | +5.8 |
| FY2014 | Dec 31, 2014 | -8.5% | −16.2 |
| FY2013 | Dec 31, 2013 | 7.6% | −4.8 |
| FY2012 | Dec 31, 2012 | 12.4% | – |
Quarterly operating margin
Change is against the same quarter a year earlier.
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| Q3 FY2026 | Sep 30, 2026 | 24.5% | +11.3 |
| Q2 FY2026 | Jun 30, 2026 | 21.6% | −2.6 |
| Q1 FY2026 | Mar 31, 2026 | 8.0% | −13.9 |
| Q4 FY2025 | Dec 31, 2025 | 19.4% | −4.8 |
| Q3 FY2025 | Sep 30, 2025 | 13.2% | −16.6 |
| Q2 FY2025 | Jun 30, 2025 | 24.2% | −6.1 |
| Q1 FY2025 | Mar 31, 2025 | 21.9% | −6.1 |
| Q4 FY2024 | Dec 31, 2024 | 24.2% | −6.1 |
| Q3 FY2024 | Sep 30, 2024 | 29.8% | −10.4 |
| Q2 FY2024 | Jun 30, 2024 | 30.3% | +5.0 |
| Q1 FY2024 | Mar 31, 2024 | 27.9% | +4.1 |
| Q4 FY2023 | Dec 31, 2023 | 30.3% | +2.3 |
| Q3 FY2023 | Sep 30, 2023 | 40.3% | +20.9 |
| Q2 FY2023 | Jun 30, 2023 | 25.3% | +5.2 |
| Q1 FY2023 | Mar 31, 2023 | 23.9% | +5.9 |
| Q4 FY2022 | Dec 31, 2022 | 28.0% | +8.0 |
| Q3 FY2022 | Sep 30, 2022 | 19.3% | −2.7 |
| Q2 FY2022 | Jun 30, 2022 | 20.1% | +9.7 |
| Q1 FY2022 | Mar 31, 2022 | 18.0% | +8.0 |
| Q4 FY2021 | Dec 31, 2021 | 20.1% | +17.1 |
| Q3 FY2021 | Sep 30, 2021 | 22.1% | +17.9 |
| Q2 FY2021 | Jun 30, 2021 | 10.4% | +13.8 |
| Q1 FY2021 | Mar 31, 2021 | 10.0% | +1.2 |
| Q4 FY2020 | Dec 31, 2020 | 3.0% | +3.3 |
| Q3 FY2020 | Sep 30, 2020 | 4.2% | +1.2 |
| Q2 FY2020 | Jun 30, 2020 | -3.4% | −4.6 |
| Q1 FY2020 | Mar 31, 2020 | 8.8% | +12.8 |
| Q4 FY2019 | Dec 31, 2019 | -0.3% | −2.0 |
| Q3 FY2019 | Sep 30, 2019 | 3.0% | −0.4 |
| Q2 FY2019 | Jun 30, 2019 | 1.2% | +5.4 |
| Q1 FY2019 | Mar 31, 2019 | -4.0% | +12.8 |
| Q4 FY2018 | Dec 31, 2018 | 1.7% | +4.6 |
| Q3 FY2018 | Sep 30, 2018 | 3.4% | +8.5 |
| Q2 FY2018 | Jun 30, 2018 | -4.1% | −7.5 |
| Q1 FY2018 | Mar 31, 2018 | -16.7% | −19.2 |
| Q4 FY2017 | Dec 31, 2017 | -2.9% | +4.7 |
| Q3 FY2017 | Sep 30, 2017 | -5.1% | – |
| Q2 FY2017 | Jun 30, 2017 | 3.4% | – |
| Q1 FY2017 | Mar 31, 2017 | 2.5% | – |
| Q4 FY2016 | Dec 31, 2016 | -7.6% | – |
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