ClearSign Technologies R&D Spending Growth & History (CLIR)
ClearSign Technologies's r&d spending was $1.4M for fiscal 2025.
View full ClearSign Technologies company overviewClearSign Technologies annual r&d spending history
| Fiscal year | Period ended | R&D spending | Change | Growth |
|---|---|---|---|---|
| 2025 | 2025-12-31 | $1.4M | −$49,000 | −3.33% |
| 2024 | 2024-12-31 | $1.5M | $732,000 | +99.05% |
| 2023 | 2023-12-31 | $739,000 | $234,000 | +46.34% |
| 2022 | 2022-12-31 | $505,000 | −$2.2M | −81.16% |
| 2021 | 2021-12-31 | $2.7M | $651,000 | +32.08% |
| 2020 | 2020-12-31 | $2.0M | −$1.0M | −33.61% |
| 2019 | 2019-12-31 | $3.1M | −$996,000 | −24.58% |
| 2018 | 2018-12-31 | $4.1M | −$660,000 | −14.01% |
| 2017 | 2017-12-31 | $4.7M | −$119,000 | −2.46% |
| 2016 | 2016-12-31 | $4.8M | $1.9M | +64.77% |
| 2015 | 2015-12-31 | $2.9M | $715,000 | +32.25% |
| 2014 | 2014-12-31 | $2.2M | $366,000 | +19.77% |
| 2013 | 2013-12-31 | $1.9M | $667,000 | +56.33% |
| 2012 | 2012-12-31 | $1.2M | $721,000 | +155.72% |
| 2011 | 2011-12-31 | $463,000 | — | — |
ClearSign Technologies quarterly r&d spending
| Fiscal quarter | Period ended | R&D spending | Change | YoY change |
|---|---|---|---|---|
| Q2 2026 | 2026-06-30 | $448,000 | $201,000 | +81.38% |
| Q1 2026 | 2026-03-31 | $249,000 | −$198,000 | −44.30% |
| Q4 2025 | 2025-12-31 | $418,000 | −$41,000 | −8.93% |
| Q3 2025 | 2025-09-30 | $310,000 | −$19,000 | −5.78% |
| Q2 2025 | 2025-06-30 | $247,000 | −$155,000 | −38.56% |
| Q1 2025 | 2025-03-31 | $447,000 | $166,000 | +59.07% |
| Q4 2024 | 2024-12-31 | $459,000 | $160,000 | +53.51% |
| Q3 2024 | 2024-09-30 | $329,000 | $236,000 | +253.76% |
| Q2 2024 | 2024-06-30 | $402,000 | $215,000 | +114.97% |
| Q1 2024 | 2024-03-31 | $281,000 | $121,000 | +75.63% |
| Q4 2023 | 2023-12-31 | $299,000 | $187,000 | +166.96% |
| Q3 2023 | 2023-09-30 | $93,000 | −$4,000 | −4.12% |
| Q2 2023 | 2023-06-30 | $187,000 | −$1,000 | −0.53% |
| Q1 2023 | 2023-03-31 | $160,000 | $52,000 | +48.15% |
| Q4 2022 | 2022-12-31 | $112,000 | −$132,000 | −54.10% |
| Q3 2022 | 2022-09-30 | $97,000 | −$1.0M | −91.48% |
| Q2 2022 | 2022-06-30 | $188,000 | −$284,000 | −60.17% |
| Q1 2022 | 2022-03-31 | $108,000 | −$718,000 | −86.92% |
| Q4 2021 | 2021-12-31 | $244,000 | −$195,000 | −44.42% |
| Q3 2021 | 2021-09-30 | $1.1M | $776,000 | +214.36% |
| Q2 2021 | 2021-06-30 | $472,000 | $54,000 | +12.92% |
| Q1 2021 | 2021-03-31 | $826,000 | $16,000 | +1.98% |
| Q4 2020 | 2020-12-31 | $439,000 | −$55,000 | −11.13% |
| Q3 2020 | 2020-09-30 | $362,000 | −$434,000 | −54.52% |
| Q2 2020 | 2020-06-30 | $418,000 | −$446,000 | −51.62% |
| Q1 2020 | 2020-03-31 | $810,000 | −$92,000 | −10.20% |
| Q4 2019 | 2019-12-31 | $494,000 | −$425,000 | −46.25% |
| Q3 2019 | 2019-09-30 | $796,000 | −$184,000 | −18.78% |
| Q2 2019 | 2019-06-30 | $864,000 | −$155,000 | −15.21% |
| Q1 2019 | 2019-03-31 | $902,000 | −$232,000 | −20.46% |
| Q4 2018 | 2018-12-31 | $919,000 | −$149,000 | −13.95% |
| Q3 2018 | 2018-09-30 | $980,000 | −$349,000 | −26.26% |
| Q2 2018 | 2018-06-30 | $1.0M | −$122,000 | −10.69% |
| Q1 2018 | 2018-03-31 | $1.1M | −$40,000 | −3.41% |
| Q4 2017 | 2017-12-31 | $1.1M | $4,000 | +0.38% |
| Q3 2017 | 2017-09-30 | $1.3M | $103,000 | +8.40% |
| Q2 2017 | 2017-06-30 | $1.1M | −$75,000 | −6.17% |
| Q1 2017 | 2017-03-31 | $1.2M | −$151,000 | −11.40% |
| Q4 2016 | 2016-12-31 | $1.1M | $234,000 | +28.19% |
| Q3 2016 | 2016-09-30 | $1.2M | $411,000 | +50.43% |
| Q2 2016 | 2016-06-30 | $1.2M | $502,000 | +70.31% |
| Q1 2016 | 2016-03-31 | $1.3M | $752,000 | +131.24% |
| Q4 2015 | 2015-12-31 | $830,000 | $449,000 | +117.85% |
| Q3 2015 | 2015-09-30 | $815,000 | $142,000 | +21.10% |
| Q2 2015 | 2015-06-30 | $714,000 | $158,000 | +28.42% |
| Q1 2015 | 2015-03-31 | $573,000 | −$34,000 | −5.60% |
| Q4 2014 | 2014-12-31 | $381,000 | −$5,000 | −1.30% |
| Q3 2014 | 2014-09-30 | $673,000 | $203,000 | +43.19% |
| Q2 2014 | 2014-06-30 | $556,000 | $19,000 | +3.54% |
| Q1 2014 | 2014-03-31 | $607,000 | $149,000 | +32.53% |
| Q4 2013 | 2013-12-31 | $386,000 | $88,000 | +29.53% |
| Q3 2013 | 2013-09-30 | $470,000 | $139,000 | +41.99% |
| Q2 2013 | 2013-06-30 | $537,000 | $246,000 | +84.54% |
| Q1 2013 | 2013-03-31 | $458,000 | $194,000 | +73.48% |
| Q4 2012 | 2012-12-31 | $298,000 | $148,880 | +99.84% |
| Q3 2012 | 2012-09-30 | $331,000 | $137,258 | +70.85% |
| Q2 2012 | 2012-06-30 | $291,000 | $193,781 | +199.32% |
| Q1 2012 | 2012-03-31 | $264,000 | $241,081 | +1051.88% |
| Q4 2011 | 2011-12-31 | $149,120 | — | — |
| Q3 2011 | 2011-09-30 | $193,742 | — | — |
| Q2 2011 | 2011-06-30 | $97,219 | — | — |
| Q1 2011 | 2011-03-31 | $22,919 | — | — |
ClearSign Technologies r&d spending trends
Over the last five fiscal years, ClearSign Technologies's r&d spending decreased from $2.0M to $1.4M, a change of −$607,000. The latest reported quarter, Q2 2026, shows $448,000.
What research and development spending means
Research and development (R&D) spending covers the costs of creating and improving products, services, software, technologies, and processes. Higher R&D spending may support future innovation, but the amount alone does not show whether those investments will generate returns.
SEC-reported R&D expense
TickerStat standardizes research and development expense reported in company SEC filings, including the software-specific US-GAAP R&D concept when it is the filer’s primary R&D expense line. It is historical company-reported spending, not an estimate or forecast. Fiscal periods can differ from calendar years, so exact period-end dates are included.
Review ClearSign Technologies source filings ↗