Amphastar Pharmaceuticals, Inc. Research and Development Expense
Financial Statements › Expense Statement › Operating Expenses
us-gaap:ResearchAndDevelopmentExpense · last filed 2026-08-06
- Amphastar Pharmaceuticals, Inc. research and development expense for the quarter ending 2026-06-30 was $22.16M, a 10.38% increase year-over-year.
- Amphastar Pharmaceuticals, Inc. research and development expense for the quarter ending 2026-03-31 was $26.74M, a 33.05% increase year-over-year.
- Amphastar Pharmaceuticals, Inc. research and development expense for the quarter ending 2025-12-31 was $23.31M, a 28.51% increase year-over-year.
- Amphastar Pharmaceuticals, Inc. research and development expense for the quarter ending 2025-09-30 was $22.35M, a 6.06% increase year-over-year.
- Amphastar Pharmaceuticals, Inc. research and development expense for fiscal 2025 was $85.84M, a 16.14% increase from fiscal 2024.
- Amphastar Pharmaceuticals, Inc. research and development expense for fiscal 2024 was $73.91M, a 0.23% increase from fiscal 2023.
- Amphastar Pharmaceuticals, Inc. research and development expense for fiscal 2023 was $73.74M, a 1.38% decline from fiscal 2022.
- Amphastar Pharmaceuticals, Inc. research and development expense for fiscal 2022 was $74.77M, a 22.71% increase from fiscal 2021.
| Period end | Research and Development Expense 3 month | Research and Development Expense 3 month as first filed | Research and Development Expense 6 month | Research and Development Expense 6 month as first filed | Research and Development Expense 9 month | Research and Development Expense 9 month as first filed | Research and Development Expense 12 month | Research and Development Expense 12 month as first filed |
|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | $22.16M 10-Q · filed 2026-08-06 | $48.90M 10-Q · filed 2026-08-06 | $72.22M derived: sum of 3 quarters · filed 2026-08-06 | $94.57M derived: sum of 4 quarters · filed 2026-08-06 | ||||
| 2026-03-31 | $26.74M 10-Q · filed 2026-05-07 | $50.05M derived: sum of 2 quarters · filed 2026-05-07 | $72.41M derived: sum of 3 quarters · filed 2026-05-07 | $92.48M derived: sum of 4 quarters · filed 2026-08-06 | ||||
| 2025-12-31 | $23.31M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | $45.67M derived: sum of 2 quarters · filed 2026-02-26 | $65.75M derived: sum of 3 quarters · filed 2026-08-06 | $85.84M 10-K · filed 2026-02-26 | ||||
| 2025-09-30 | $22.35M 10-Q · filed 2025-11-06 | $42.43M derived: sum of 2 quarters · filed 2026-08-06 | $62.53M 10-Q · filed 2025-11-06 | $80.67M derived: sum of 4 quarters · filed 2026-08-06 | ||||
| 2025-06-30 | $20.08M 10-Q · filed 2026-08-06 | $40.18M 10-Q · filed 2026-08-06 | $58.32M derived: sum of 3 quarters · filed 2026-08-06 | $79.39M derived: sum of 4 quarters · filed 2026-08-06 | ||||
| 2025-03-31 | $20.10M 10-Q · filed 2026-05-07 | $38.24M derived: sum of 2 quarters · filed 2026-05-07 | $59.31M derived: sum of 3 quarters · filed 2026-05-07 | $76.97M derived: sum of 4 quarters · filed 2026-05-07 | ||||
| 2024-12-31 | $18.14M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | $39.22M derived: sum of 2 quarters · filed 2026-02-26 | $56.87M derived: sum of 3 quarters · filed 2026-02-26 | $73.91M 10-K · filed 2026-02-26 | ||||
| 2024-09-30 | $21.08M 10-Q · filed 2025-11-06 | $38.73M derived: sum of 2 quarters · filed 2025-11-06 | $55.77M 10-Q · filed 2025-11-06 | $76.19M derived: sum of 4 quarters · filed 2026-02-26 | ||||
| 2024-06-30 | $17.65M 10-Q · filed 2025-08-07 | $34.70M 10-Q · filed 2025-08-07 | $55.11M derived: sum of 3 quarters · filed 2026-02-26 | $71.78M derived: sum of 4 quarters · filed 2026-02-26 | ||||
| 2024-03-31 | $17.04M 10-Q · filed 2025-05-08 | $37.46M derived: sum of 2 quarters · filed 2026-02-26 | $54.13M derived: sum of 3 quarters · filed 2026-02-26 | $70.97M derived: sum of 4 quarters · filed 2026-02-26 | ||||
| 2023-12-31 | $20.42M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | $37.08M derived: sum of 2 quarters · filed 2026-02-26 | $53.93M derived: sum of 3 quarters · filed 2026-02-26 | $73.74M 10-K · filed 2026-02-26 | ||||
| 2023-09-30 | $16.66M 10-Q · filed 2024-11-07 | $33.51M derived: sum of 2 quarters · filed 2024-11-07 | $53.32M 10-Q · filed 2024-11-07 | $70.56M derived: sum of 4 quarters · filed 2025-03-03 | ||||
| 2023-06-30 | $16.84M 10-Q · filed 2024-08-09 | $36.66M 10-Q · filed 2024-08-09 | $53.89M derived: sum of 3 quarters · filed 2025-03-03 | $72.41M derived: sum of 4 quarters · filed 2025-03-03 | ||||
| 2023-03-31 | $19.82M 10-Q · filed 2024-05-10 | $37.05M derived: sum of 2 quarters · filed 2025-03-03 | $55.56M derived: sum of 3 quarters · filed 2025-03-03 | $78.36M derived: sum of 4 quarters · filed 2025-03-03 | ||||
| 2022-12-31 | $17.24M derived: 10-K 12 month − 10-Q 9 month · filed 2025-03-03 | $35.75M derived: sum of 2 quarters · filed 2025-03-03 | $58.55M derived: sum of 3 quarters · filed 2025-03-03 | $74.77M 10-K · filed 2025-03-03 | ||||
| 2022-09-30 | $18.51M 10-Q · filed 2023-11-08 | $41.31M derived: sum of 2 quarters · filed 2023-11-08 | $57.53M 10-Q · filed 2023-11-08 | $74.82M derived: sum of 4 quarters · filed 2024-02-29 | ||||
| 2022-06-30 | $22.80M 10-Q · filed 2023-08-09 | $39.02M 10-Q · filed 2023-08-09 | $56.31M derived: sum of 3 quarters · filed 2024-02-29 | $67.07M derived: sum of 4 quarters · filed 2024-02-29 | ||||
| 2022-03-31 | $16.22M 10-Q · filed 2023-05-09 | $33.51M derived: sum of 2 quarters · filed 2024-02-29 | $44.27M derived: sum of 3 quarters · filed 2024-02-29 | $62.39M derived: sum of 4 quarters · filed 2024-02-29 | ||||
| 2021-12-31 | $17.29M derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-29 | $28.05M derived: sum of 2 quarters · filed 2024-02-29 | $46.17M derived: sum of 3 quarters · filed 2024-02-29 | $60.93M 10-K · filed 2024-02-29 | ||||
| 2021-09-30 | $10.76M 10-Q · filed 2022-11-08 | $28.88M derived: sum of 2 quarters · filed 2022-11-08 | $43.65M 10-Q · filed 2022-11-08 | $61.78M derived: sum of 4 quarters · filed 2023-03-01 | ||||
| 2021-06-30 | $18.12M 10-Q · filed 2022-08-09 | $32.89M 10-Q · filed 2022-08-09 | $51.02M derived: sum of 3 quarters · filed 2023-03-01 | $68.66M derived: sum of 4 quarters · filed 2023-03-01 | ||||
| 2021-03-31 | $14.77M 10-Q · filed 2022-05-10 | $32.90M derived: sum of 2 quarters · filed 2023-03-01 | $50.54M derived: sum of 3 quarters · filed 2023-03-01 | $66.69M derived: sum of 4 quarters · filed 2023-03-01 | ||||
| 2020-12-31 | $18.13M derived: 10-K 12 month − 10-Q 9 month · filed 2023-03-01 | $35.78M derived: sum of 2 quarters · filed 2023-03-01 | $51.93M derived: sum of 3 quarters · filed 2023-03-01 | $67.23M 10-K · filed 2023-03-01 | ||||
| 2020-09-30 | $17.64M 10-Q · filed 2021-11-09 | $33.79M derived: sum of 2 quarters · filed 2021-11-09 | $49.10M 10-Q · filed 2021-11-09 | $68.74M derived: sum of 4 quarters · filed 2022-03-11 | ||||
| 2020-06-30 | $16.15M 10-Q · filed 2021-08-09 | $31.45M 10-Q · filed 2021-08-09 | $51.10M derived: sum of 3 quarters · filed 2022-03-11 | $69.70M derived: sum of 4 quarters · filed 2022-03-11 | ||||
| 2020-03-31 | $15.30M 10-Q · filed 2021-05-07 | $34.95M derived: sum of 2 quarters · filed 2022-03-11 | $53.55M derived: sum of 3 quarters · filed 2022-03-11 | $69.55M derived: sum of 4 quarters · filed 2022-03-11 | ||||
| 2019-12-31 | $19.64M derived: 10-K 12 month − 10-Q 9 month · filed 2022-03-11 | $38.25M derived: sum of 2 quarters · filed 2022-03-11 | $54.25M derived: sum of 3 quarters · filed 2022-03-11 | $68.85M 10-K · filed 2022-03-11 | ||||
| 2019-09-30 | $18.61M 10-Q · filed 2020-11-06 | $34.60M derived: sum of 2 quarters · filed 2020-11-06 | $49.21M 10-Q · filed 2020-11-06 | $65.94M derived: sum of 4 quarters · filed 2021-03-15 | ||||
| 2019-06-30 | $16.00M 10-Q · filed 2020-08-07 | $30.60M 10-Q · filed 2020-08-07 | $47.34M derived: sum of 3 quarters · filed 2021-03-15 | $58.68M derived: sum of 4 quarters · filed 2021-03-15 | ||||
| 2019-03-31 | $14.61M 10-Q · filed 2020-05-11 | $31.34M derived: sum of 2 quarters · filed 2021-03-15 | $42.68M derived: sum of 3 quarters · filed 2021-03-15 | $58.14M derived: sum of 4 quarters · filed 2021-03-15 | ||||
| 2018-12-31 | $16.73M derived: 10-K 12 month − 10-Q 9 month · filed 2021-03-15 | $28.07M derived: sum of 2 quarters · filed 2021-03-15 | $43.53M derived: sum of 3 quarters · filed 2021-03-15 | $57.56M 10-K · filed 2021-03-15 | ||||
| 2018-09-30 | $11.34M 10-Q · filed 2019-11-08 | $26.80M derived: sum of 2 quarters · filed 2019-11-08 | $40.83M 10-Q · filed 2019-11-08 | $52.22M derived: sum of 4 quarters · filed 2020-03-16 | ||||
| 2018-06-30 | $15.46M 10-Q · filed 2019-08-09 | $15.47M 10-Q · filed 2018-08-09 | $29.49M 10-Q · filed 2019-08-09 | $29.73M 10-Q · filed 2018-08-09 | $40.88M derived: sum of 3 quarters · filed 2020-03-16 | $50.95M derived: sum of 4 quarters · filed 2020-03-16 | ||
| 2018-03-31 | $14.03M 10-Q · filed 2019-05-10 | $14.26M 10-Q · filed 2018-05-10 | $25.42M derived: sum of 2 quarters · filed 2020-03-16 | $35.49M derived: sum of 3 quarters · filed 2020-03-16 | $46.22M derived: sum of 4 quarters · filed 2020-03-16 | |||
| 2017-12-31 | $11.39M derived: 10-K 12 month − 10-Q 9 month · filed 2020-03-16 | $21.46M derived: sum of 2 quarters · filed 2020-03-16 | $32.19M derived: sum of 3 quarters · filed 2020-03-16 | $43.50M 10-K · filed 2020-03-16 | $43.41M 10-K · filed 2018-03-14 | |||
| 2017-09-30 | $10.07M 10-Q · filed 2018-11-09 | $10.04M 10-Q · filed 2017-11-09 | $20.81M derived: sum of 2 quarters · filed 2018-11-09 | $32.12M 10-Q · filed 2018-11-09 | $32.02M 10-Q · filed 2017-11-09 | $44.66M derived: sum of 4 quarters · filed 2019-03-15 | ||
| 2017-06-30 | $10.73M 10-Q · filed 2018-08-09 | $21.98M 10-Q · filed 2018-08-09 | $34.58M derived: sum of 3 quarters · filed 2019-03-15 | $44.30M derived: sum of 4 quarters · filed 2019-03-15 | ||||
| 2017-03-31 | $11.25M 10-Q · filed 2018-05-10 | $23.85M derived: sum of 2 quarters · filed 2019-03-15 | $33.57M derived: sum of 3 quarters · filed 2019-03-15 | $44.17M derived: sum of 4 quarters · filed 2019-03-15 | ||||
| 2016-12-31 | $12.60M derived: 10-K 12 month − 10-Q 9 month · filed 2019-03-15 | $22.32M derived: sum of 2 quarters · filed 2019-03-15 | $32.92M derived: sum of 3 quarters · filed 2019-03-15 | $41.52M 10-K · filed 2019-03-15 | $41.20M 10-K · filed 2017-03-15 | |||
| 2016-09-30 | $9.72M 10-Q · filed 2017-11-09 | $20.32M derived: sum of 2 quarters · filed 2017-11-09 | $28.92M 10-Q · filed 2017-11-09 | $28.59M 10-Q · filed 2016-11-09 | $37.78M derived: sum of 4 quarters · filed 2018-03-14 | |||
| 2016-06-30 | $10.59M 10-Q · filed 2017-08-09 | $10.48M 10-Q · filed 2016-08-09 | $19.20M 10-Q · filed 2017-08-09 | $18.87M 10-Q · filed 2016-08-09 | $28.06M derived: sum of 3 quarters · filed 2018-03-14 | $39.18M derived: sum of 4 quarters · filed 2018-03-14 | ||
| 2016-03-31 | $8.61M 10-Q · filed 2017-05-10 | $8.39M 10-Q · filed 2016-05-10 | $17.46M derived: sum of 2 quarters · filed 2018-03-14 | $28.58M derived: sum of 3 quarters · filed 2018-03-14 | $39.31M derived: sum of 4 quarters · filed 2018-03-14 | |||
| 2015-12-31 | $8.86M derived: 10-K 12 month − 10-Q 9 month · filed 2018-03-14 | $19.98M derived: sum of 2 quarters · filed 2018-03-14 | $30.70M derived: sum of 3 quarters · filed 2018-03-14 | $37.27M 10-K · filed 2018-03-14 | $37.06M 10-K · filed 2016-03-15 | |||
| 2015-09-30 | $11.12M 10-Q · filed 2016-11-09 | $21.84M derived: sum of 2 quarters · filed 2016-11-09 | $28.41M 10-Q · filed 2016-11-09 | $36.49M derived: sum of 4 quarters · filed 2017-03-15 | ||||
| 2015-06-30 | $10.73M 10-Q · filed 2016-08-09 | $17.29M 10-Q · filed 2016-08-09 | $25.37M derived: sum of 3 quarters · filed 2017-03-15 | $33.96M derived: sum of 4 quarters · filed 2017-03-15 | ||||
| 2015-03-31 | $6.57M 10-Q · filed 2016-05-10 | $14.65M derived: sum of 2 quarters · filed 2017-03-15 | $23.23M derived: sum of 3 quarters · filed 2017-03-15 | $29.23M derived: sum of 4 quarters · filed 2017-03-15 | ||||
| 2014-12-31 | $8.08M derived: 10-K 12 month − 10-Q 9 month · filed 2017-03-15 | $16.66M derived: sum of 2 quarters · filed 2017-03-15 | $22.66M derived: sum of 3 quarters · filed 2017-03-15 | $28.87M 10-K · filed 2017-03-15 | $28.43M 10-K · filed 2015-03-26 | |||
| 2014-09-30 | $8.59M 10-Q · filed 2015-11-13 | $14.58M derived: sum of 2 quarters · filed 2015-11-13 | $20.79M 10-Q · filed 2015-11-13 | $28.07M derived: sum of 4 quarters · filed 2016-03-15 | ||||
| 2014-06-30 | $5.99M 10-Q · filed 2015-08-13 | $12.20M 10-Q · filed 2015-08-13 | $19.49M derived: sum of 3 quarters · filed 2016-03-15 | $28.53M derived: sum of 4 quarters · filed 2016-03-15 | ||||
| 2014-03-31 | $6.21M 10-Q · filed 2015-05-14 | $13.49M derived: sum of 2 quarters · filed 2016-03-15 | $22.53M derived: sum of 3 quarters · filed 2016-03-15 | $30.32M derived: sum of 4 quarters · filed 2016-03-15 | ||||
| 2013-12-31 | $7.28M derived: 10-K 12 month − 10-Q 9 month · filed 2016-03-15 | $16.32M derived: sum of 2 quarters · filed 2016-03-15 | $24.11M derived: sum of 3 quarters · filed 2016-03-15 | $33.02M 10-K · filed 2016-03-15 | ||||
| 2013-09-30 | $9.04M 10-Q · filed 2014-11-13 | $16.83M derived: sum of 2 quarters · filed 2014-11-13 | $25.74M 10-Q · filed 2014-11-13 | |||||
| 2013-06-30 | $7.79M 10-Q · filed 2014-08-13 | $16.70M 10-Q · filed 2014-08-13 | ||||||
| 2012-12-31 | $31.16M 10-K · filed 2015-03-26 |