RAMBUS INC Research and Development Expense
RAMBUS INC (RMBS) reported Research and Development Expense of $50.23 million for the 3-month period ending 2026-03-31, per its 10-Q filed 2026-04-28.
Financial Statements › Expense Statement › Operating Expenses
us-gaap:ResearchAndDevelopmentExpense · last filed 2026-04-28
- RAMBUS INC research and development expense for the quarter ending 2026-03-31 was $50.23M, a 17.85% increase year-over-year.
- RAMBUS INC research and development expense for the quarter ending 2025-12-31 was $49.25M, a 12.70% increase year-over-year.
- RAMBUS INC research and development expense for the quarter ending 2025-09-30 was $49.51M, a 19.88% increase year-over-year.
- RAMBUS INC research and development expense for the quarter ending 2025-06-30 was $46.33M, a 14.33% increase year-over-year.
- RAMBUS INC research and development expense for fiscal 2025 was $187.71M, a 15.24% increase from fiscal 2024.
- RAMBUS INC research and development expense for fiscal 2024 was $162.88M, a 3.86% increase from fiscal 2023.
- RAMBUS INC research and development expense for fiscal 2023 was $156.83M, a 1.22% decline from fiscal 2022.
- RAMBUS INC research and development expense for fiscal 2022 was $158.77M, a 17.02% increase from fiscal 2021.
| Period end | Research and Development Expense 3 month | Research and Development Expense 6 month | Research and Development Expense 9 month | Research and Development Expense 12 month |
|---|---|---|---|---|
| 2026-03-31 | $50.23M 10-Q · filed 2026-04-28 | $99.47M derived: sum of 2 quarters · filed 2026-04-28 | $148.99M derived: sum of 3 quarters · filed 2026-04-28 | $195.32M derived: sum of 4 quarters · filed 2026-04-28 |
| 2025-12-31 | $49.25M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-18 | $98.76M derived: sum of 2 quarters · filed 2026-02-18 | $145.09M derived: sum of 3 quarters · filed 2026-02-18 | $187.71M 10-K · filed 2026-02-18 |
| 2025-09-30 | $49.51M 10-Q · filed 2025-10-28 | $95.84M derived: sum of 2 quarters · filed 2025-10-28 | $138.46M 10-Q · filed 2025-10-28 | $182.16M derived: sum of 4 quarters · filed 2026-04-28 |
| 2025-06-30 | $46.33M 10-Q · filed 2025-07-29 | $88.95M 10-Q · filed 2025-07-29 | $132.65M derived: sum of 3 quarters · filed 2026-04-28 | $173.95M derived: sum of 4 quarters · filed 2026-04-28 |
| 2025-03-31 | $42.62M 10-Q · filed 2026-04-28 | $86.32M derived: sum of 2 quarters · filed 2026-04-28 | $127.62M derived: sum of 3 quarters · filed 2026-04-28 | $168.14M derived: sum of 4 quarters · filed 2026-04-28 |
| 2024-12-31 | $43.70M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-18 | $85.00M derived: sum of 2 quarters · filed 2026-02-18 | $125.52M derived: sum of 3 quarters · filed 2026-02-18 | $162.88M 10-K · filed 2026-02-18 |
| 2024-09-30 | $41.30M 10-Q · filed 2025-10-28 | $81.82M derived: sum of 2 quarters · filed 2025-10-28 | $119.18M 10-Q · filed 2025-10-28 | $155.17M derived: sum of 4 quarters · filed 2026-02-18 |
| 2024-06-30 | $40.52M 10-Q · filed 2025-07-29 | $77.88M 10-Q · filed 2025-07-29 | $113.87M derived: sum of 3 quarters · filed 2026-02-18 | $151.24M derived: sum of 4 quarters · filed 2026-02-18 |
| 2024-03-31 | $37.36M 10-Q · filed 2025-04-29 | $73.34M derived: sum of 2 quarters · filed 2026-02-18 | $110.71M derived: sum of 3 quarters · filed 2026-02-18 | $152.29M derived: sum of 4 quarters · filed 2026-02-18 |
| 2023-12-31 | $35.98M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-18 | $73.35M derived: sum of 2 quarters · filed 2026-02-18 | $114.93M derived: sum of 3 quarters · filed 2026-02-18 | $156.83M 10-K · filed 2026-02-18 |
| 2023-09-30 | $37.37M 10-Q · filed 2024-10-30 | $78.94M derived: sum of 2 quarters · filed 2024-10-30 | $120.84M 10-Q · filed 2024-10-30 | $160.96M derived: sum of 4 quarters · filed 2025-02-24 |
| 2023-06-30 | $41.58M 10-Q · filed 2024-07-31 | $83.47M 10-Q · filed 2024-07-31 | $123.59M derived: sum of 3 quarters · filed 2025-02-24 | $162.89M derived: sum of 4 quarters · filed 2025-02-24 |
| 2023-03-31 | $41.90M 10-Q · filed 2024-05-02 | $82.02M derived: sum of 2 quarters · filed 2025-02-24 | $121.31M derived: sum of 3 quarters · filed 2025-02-24 | $160.85M derived: sum of 4 quarters · filed 2025-02-24 |
| 2022-12-31 | $40.12M derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-24 | $79.42M derived: sum of 2 quarters · filed 2025-02-24 | $118.95M derived: sum of 3 quarters · filed 2025-02-24 | $158.77M 10-K · filed 2025-02-24 |
| 2022-09-30 | $39.30M 10-Q · filed 2023-11-03 | $78.83M derived: sum of 2 quarters · filed 2023-11-03 | $118.65M 10-Q · filed 2023-11-03 | $154.91M derived: sum of 4 quarters · filed 2024-02-23 |
| 2022-06-30 | $39.54M 10-Q · filed 2023-08-04 | $79.35M 10-Q · filed 2023-08-04 | $115.62M derived: sum of 3 quarters · filed 2024-02-23 | $151.21M derived: sum of 4 quarters · filed 2024-02-23 |
| 2022-03-31 | $39.81M 10-Q · filed 2023-05-05 | $76.08M derived: sum of 2 quarters · filed 2024-02-23 | $111.67M derived: sum of 3 quarters · filed 2024-02-23 | $143.14M derived: sum of 4 quarters · filed 2024-02-23 |
| 2021-12-31 | $36.26M derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-23 | $71.86M derived: sum of 2 quarters · filed 2024-02-23 | $103.32M derived: sum of 3 quarters · filed 2024-02-23 | $135.68M 10-K · filed 2024-02-23 |
| 2021-09-30 | $35.59M 10-Q · filed 2022-11-04 | $67.06M derived: sum of 2 quarters · filed 2022-11-04 | $99.42M 10-Q · filed 2022-11-04 | $134.17M derived: sum of 4 quarters · filed 2023-02-24 |
| 2021-06-30 | $31.47M 10-Q · filed 2022-08-05 | $63.82M 10-Q · filed 2022-08-05 | $98.58M derived: sum of 3 quarters · filed 2023-02-24 | $132.31M derived: sum of 4 quarters · filed 2023-02-24 |
| 2021-03-31 | $32.35M 10-Q · filed 2022-05-06 | $67.11M derived: sum of 2 quarters · filed 2023-02-24 | $100.84M derived: sum of 3 quarters · filed 2023-02-24 | $135.53M derived: sum of 4 quarters · filed 2023-02-24 |
| 2020-12-31 | $34.75M derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-24 | $68.48M derived: sum of 2 quarters · filed 2023-02-24 | $103.17M derived: sum of 3 quarters · filed 2023-02-24 | $139.84M 10-K · filed 2023-02-24 |
| 2020-09-30 | $33.73M 10-Q · filed 2021-11-05 | $68.42M derived: sum of 2 quarters · filed 2021-11-05 | $105.08M 10-Q · filed 2021-11-05 | $141.91M derived: sum of 4 quarters · filed 2022-02-28 |
| 2020-06-30 | $34.69M 10-Q · filed 2021-08-06 | $71.35M 10-Q · filed 2021-08-06 | $108.17M derived: sum of 3 quarters · filed 2022-02-28 | $149.66M derived: sum of 4 quarters · filed 2022-02-28 |
| 2020-03-31 | $36.66M 10-Q · filed 2021-05-07 | $73.48M derived: sum of 2 quarters · filed 2022-02-28 | $114.97M derived: sum of 3 quarters · filed 2022-02-28 | $152.86M derived: sum of 4 quarters · filed 2022-02-28 |
| 2019-12-31 | $36.82M derived: 10-K 12 month − 10-K/A 9 month · filed 2022-02-28 | $78.31M derived: sum of 2 quarters · filed 2022-02-28 | $116.20M derived: sum of 3 quarters · filed 2022-02-28 | $156.81M 10-K · filed 2022-02-28 |
| 2019-09-30 | $41.49M 10-K/A · filed 2021-03-29 | $79.38M derived: sum of 2 quarters · filed 2021-03-29 | $120.00M 10-K/A · filed 2021-03-29 | $157.39M derived: sum of 4 quarters · filed 2021-03-29 |
| 2019-06-30 | $37.89M 10-Q · filed 2020-08-07 | $78.51M 10-Q · filed 2020-08-07 | $115.90M derived: sum of 3 quarters · filed 2021-03-29 | $159.03M derived: sum of 4 quarters · filed 2021-03-29 |
| 2019-03-31 | $40.62M 10-Q · filed 2020-05-08 | $78.01M derived: sum of 2 quarters · filed 2021-03-29 | $121.14M derived: sum of 3 quarters · filed 2021-03-29 | $158.84M derived: sum of 4 quarters · filed 2021-03-29 |
| 2018-12-31 | $37.40M derived: 10-K/A 12 month − 10-Q 9 month · filed 2021-03-29 | $80.53M derived: sum of 2 quarters · filed 2021-03-29 | $118.22M derived: sum of 3 quarters · filed 2021-03-29 | $158.34M 10-K/A · filed 2021-03-29 |
| 2018-09-30 | $43.13M 10-Q · filed 2019-11-08 | $80.83M derived: sum of 2 quarters · filed 2019-11-08 | $120.94M 10-Q · filed 2019-11-08 | $160.36M derived: sum of 4 quarters · filed 2020-02-26 |
| 2018-06-30 | $37.70M 10-Q · filed 2019-08-02 | $77.81M 10-Q · filed 2019-08-02 | $117.23M derived: sum of 3 quarters · filed 2020-02-26 | $153.43M derived: sum of 4 quarters · filed 2020-02-26 |
| 2018-03-31 | $40.12M 10-Q · filed 2019-05-03 | $79.53M derived: sum of 2 quarters · filed 2020-02-26 | $115.73M derived: sum of 3 quarters · filed 2020-02-26 | $153.25M derived: sum of 4 quarters · filed 2020-02-26 |
| 2017-12-31 | $39.42M derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-26 | $75.61M derived: sum of 2 quarters · filed 2020-02-26 | $113.14M derived: sum of 3 quarters · filed 2020-02-26 | $149.13M 10-K · filed 2020-02-26 |
| 2017-09-30 | $36.20M 10-Q · filed 2018-11-02 | $73.72M derived: sum of 2 quarters · filed 2018-11-02 | $109.72M 10-Q · filed 2018-11-02 | $148.46M derived: sum of 4 quarters · filed 2019-02-22 |
| 2017-06-30 | $37.52M 10-Q · filed 2018-08-03 | $73.52M 10-Q · filed 2018-08-03 | $112.27M derived: sum of 3 quarters · filed 2019-02-22 | $146.09M derived: sum of 4 quarters · filed 2019-02-22 |
| 2017-03-31 | $36.00M 10-Q · filed 2018-05-10 | $74.74M derived: sum of 2 quarters · filed 2019-02-22 | $108.56M derived: sum of 3 quarters · filed 2019-02-22 | $137.32M derived: sum of 4 quarters · filed 2019-02-22 |
| 2016-12-31 | $38.74M derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-22 | $72.56M derived: sum of 2 quarters · filed 2019-02-22 | $101.32M derived: sum of 3 quarters · filed 2019-02-22 | $129.84M 10-K · filed 2019-02-22 |
| 2016-09-30 | $33.82M 10-Q · filed 2017-10-27 | $62.57M derived: sum of 2 quarters · filed 2017-10-27 | $91.10M 10-Q · filed 2017-10-27 | $116.70M derived: sum of 4 quarters · filed 2018-02-23 |
| 2016-06-30 | $28.75M 10-Q · filed 2017-07-28 | $57.28M 10-Q · filed 2017-07-28 | $82.88M derived: sum of 3 quarters · filed 2018-02-23 | $110.67M derived: sum of 4 quarters · filed 2018-02-23 |
| 2016-03-31 | $28.53M 10-Q · filed 2017-04-28 | $54.13M derived: sum of 2 quarters · filed 2018-02-23 | $81.92M derived: sum of 3 quarters · filed 2018-02-23 | $111.10M derived: sum of 4 quarters · filed 2018-02-23 |
| 2015-12-31 | $25.60M derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-23 | $53.39M derived: sum of 2 quarters · filed 2018-02-23 | $82.58M derived: sum of 3 quarters · filed 2018-02-23 | $111.11M 10-K · filed 2018-02-23 |
| 2015-09-30 | $27.78M 10-Q · filed 2016-10-28 | $56.97M derived: sum of 2 quarters · filed 2016-10-28 | $85.51M 10-Q · filed 2016-10-28 | $113.95M derived: sum of 4 quarters · filed 2017-02-17 |
| 2015-06-30 | $29.19M 10-Q · filed 2016-07-22 | $57.72M 10-Q · filed 2016-07-22 | $86.17M derived: sum of 3 quarters · filed 2017-02-17 | $113.18M derived: sum of 4 quarters · filed 2017-02-17 |
| 2015-03-31 | $28.53M 10-Q · filed 2016-04-22 | $56.98M derived: sum of 2 quarters · filed 2017-02-17 | $83.99M derived: sum of 3 quarters · filed 2017-02-17 | $111.66M derived: sum of 4 quarters · filed 2017-02-17 |
| 2014-12-31 | $28.45M derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-17 | $55.46M derived: sum of 2 quarters · filed 2017-02-17 | $83.13M derived: sum of 3 quarters · filed 2017-02-17 | $110.03M 10-K · filed 2017-02-17 |
| 2014-09-30 | $27.01M 10-Q · filed 2015-10-23 | $54.68M derived: sum of 2 quarters · filed 2015-10-23 | $81.58M 10-Q · filed 2015-10-23 | $108.38M derived: sum of 4 quarters · filed 2016-02-19 |
| 2014-06-30 | $27.67M 10-Q · filed 2015-07-23 | $54.57M 10-Q · filed 2015-07-23 | $81.37M derived: sum of 3 quarters · filed 2016-02-19 | $108.92M derived: sum of 4 quarters · filed 2016-02-19 |
| 2014-03-31 | $26.90M 10-Q · filed 2015-04-24 | $53.70M derived: sum of 2 quarters · filed 2016-02-19 | $81.25M derived: sum of 3 quarters · filed 2016-02-19 | $112.03M derived: sum of 4 quarters · filed 2016-02-19 |
| 2013-12-31 | $26.80M derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-19 | $54.36M derived: sum of 2 quarters · filed 2016-02-19 | $85.13M derived: sum of 3 quarters · filed 2016-02-19 | $117.98M 10-K · filed 2016-02-19 |
| 2013-09-30 | $27.55M 10-Q · filed 2014-10-24 | $58.33M derived: sum of 2 quarters · filed 2014-10-24 | $91.18M 10-Q · filed 2014-10-24 | $124.27M derived: sum of 4 quarters · filed 2015-02-20 |
| 2013-06-30 | $30.78M 10-Q · filed 2014-07-25 | $63.63M 10-Q · filed 2014-07-25 | $96.71M derived: sum of 3 quarters · filed 2015-02-20 | $127.39M derived: sum of 4 quarters · filed 2015-02-20 |
| 2013-03-31 | $32.85M 10-Q · filed 2014-04-25 | $65.94M derived: sum of 2 quarters · filed 2015-02-20 | $96.61M derived: sum of 3 quarters · filed 2015-02-20 | $134.96M derived: sum of 4 quarters · filed 2015-02-20 |
| 2012-12-31 | $33.09M derived: 10-K 12 month − 10-Q 9 month · filed 2015-02-20 | $63.76M derived: sum of 2 quarters · filed 2015-02-20 | $102.11M derived: sum of 3 quarters · filed 2015-02-20 | $140.50M 10-K · filed 2015-02-20 |
| 2012-09-30 | $30.67M 10-Q · filed 2013-10-25 | $69.02M derived: sum of 2 quarters · filed 2013-10-25 | $107.42M 10-Q · filed 2013-10-25 | $143.26M derived: sum of 4 quarters · filed 2013-10-25 |
| 2012-06-30 | $38.35M 10-Q · filed 2013-07-29 | $76.74M 10-Q · filed 2013-07-29 | $112.58M derived: sum of 3 quarters · filed 2013-07-29 | $144.90M derived: sum of 4 quarters · filed 2013-07-29 |
| 2012-03-31 | $38.39M 10-Q · filed 2013-04-26 | $74.23M derived: sum of 2 quarters · filed 2013-04-26 | $106.55M derived: sum of 3 quarters · filed 2013-04-26 | $130.77M derived: sum of 4 quarters · filed 2013-04-26 |
| 2011-12-31 | $35.84M 10-K · filed 2012-02-24 | $68.16M derived: sum of 2 quarters · filed 2012-10-29 | $92.38M derived: sum of 3 quarters · filed 2012-10-29 | $115.70M 10-K · filed 2014-02-21 |
| 2011-09-30 | $32.32M 10-Q · filed 2012-10-29 | $56.54M derived: sum of 2 quarters · filed 2012-10-29 | $79.86M 10-Q · filed 2012-10-29 | $104.88M derived: sum of 4 quarters · filed 2012-10-29 |
| 2011-06-30 | $24.22M 10-Q · filed 2012-07-30 | $47.54M 10-Q · filed 2012-07-30 | $72.56M derived: sum of 3 quarters · filed 2012-07-30 | $95.57M derived: sum of 4 quarters · filed 2012-07-30 |
| 2011-03-31 | $23.32M 10-Q · filed 2012-04-30 | $48.34M derived: sum of 2 quarters · filed 2012-04-30 | $71.35M derived: sum of 3 quarters · filed 2012-04-30 | $94.33M derived: sum of 4 quarters · filed 2012-04-30 |
| 2010-12-31 | $25.03M 10-K · filed 2012-02-24 | $48.03M derived: sum of 2 quarters · filed 2012-02-24 | $71.02M derived: sum of 3 quarters · filed 2012-02-24 | $92.71M 10-K · filed 2013-02-22 |
| 2010-09-30 | $23.00M 10-K · filed 2012-02-24 | $45.99M derived: sum of 2 quarters · filed 2012-02-24 | $67.68M 10-Q · filed 2011-10-31 | $84.65M derived: sum of 4 quarters · filed 2012-02-24 |
| 2010-06-30 | $22.98M 10-K · filed 2012-02-24 | $44.68M 10-Q · filed 2011-08-05 | $61.65M derived: sum of 3 quarters · filed 2012-02-24 | $78.38M derived: sum of 4 quarters · filed 2012-02-24 |
| 2010-03-31 | $21.69M 10-K · filed 2012-02-24 | $38.67M derived: sum of 2 quarters · filed 2012-02-24 | $55.39M derived: sum of 3 quarters · filed 2012-02-24 | $71.11M derived: sum of 4 quarters · filed 2012-02-24 |
| 2009-12-31 | $16.98M derived: 10-K 12 month − 10-Q 9 month · filed 2012-02-24 | $33.70M derived: sum of 2 quarters · filed 2012-02-24 | $49.41M derived: sum of 3 quarters · filed 2012-02-24 | $67.25M 10-K · filed 2012-02-24 |
| 2009-09-30 | $16.73M 10-Q · filed 2010-10-29 | $32.44M derived: sum of 2 quarters · filed 2010-10-29 | $50.28M 10-Q · filed 2010-10-29 | |
| 2009-06-30 | $15.71M 10-Q · filed 2010-07-30 | $33.55M 10-Q · filed 2010-07-30 | ||
| 2008-12-31 | $76.22M 10-K · filed 2011-02-25 |
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