NASDAQ$CLIR
ClearSign Technologies Corp · Q1 2026 earnings
Q1 2026 earnings · · Investor relations
Briefing
ClearSign Technologies Corp reported Q1 2026 results with revenue of $191,000 and a net loss of $2.19 million.
ClearSign Technologies Corporation reported revenue of $191 thousand for the three months ended March 31, 2026, down from $401 thousand in the prior year quarter. The company recorded a net loss of $2.19 million and an operating loss of $2.28 million. Cash and cash equivalents declined to $7.74 million as of quarter end.
- Revenue declined 52% year-over-year to $191,000 due to lower order fulfillment in mid-stream and boiler burner products.
- Gross loss of $393,000 resulted from a $410,000 warranty accrual adjustment for prior period installations.
- Operating expenses decreased 23% to $1.89 million, driven by lower R&D and G&A costs.
- Cash position fell to $7.74 million with operating cash burn of $1.35 million for the quarter.
Headline financials
Revenue & EPS history
ClearSign · Revenue · Quarterly
$191K
Forward guidance
Company expects continued operating losses and negative cash flow; additional financing may be required to support commercialization efforts.
Tailwinds
- Regained Nasdaq bid price compliance
- DOE grant extension received for hydrogen burner development
Headwinds
- Ongoing cash burn and need for additional capital
- Revenue highly concentrated with limited customer base
Historical earnings impact
How earnings announcements have historically affected this stock's price.
Avg. return before/after earnings
Based on 18 quarterly earnings reports · overlaid with Q1 2026
+0.9%
Avg return
Earnings day
-1.6%
Avg return
5 days after
-3.2%
Avg return
30 days after
42%
15 / 36 earnings
Positive
+29.3%
Q4 2022
Best reaction
-16.3%
Q4 2024
Worst reaction
| Quarter | Report date | Reaction (Day 0) | +5 days | +30 days |
|---|---|---|---|---|
| Q1 2026 | -9.6% | — | — | |
| Q4 2025 | +0.0% | +0.8% | -17.6% | |
| Q3 2025 | +0.0% | -6.8% | -34.1% | |
| Q2 2025 | -8.2% | -11.5% | -11.5% | |
| Q1 2025 | -12.7% | -19.7% | -12.7% | |
| Q4 2024 | -16.3% | -31.5% | -19.2% | |
| Q3 2024 | +26.3% | +15.6% | +25.6% | |
| Q2 2024 | -1.9% | +6.9% | +22.2% | |
| Q1 2024 | +19.2% | +9.2% | -13.2% | |
| Q4 2023 | +2.8% | +0.0% | +13.9% | |
| Q3 2023 | -3.1% | -3.5% | +52.3% | |
| Q2 2023 | -8.1% | -11.7% | -1.8% | |
| Q1 2023 | +7.4% | +6.7% | +7.4% | |
| Q4 2022 | +29.3% | +12.2% | +20.7% | |
| Q3 2022 | +1.4% | -14.5% | -21.7% | |
| Q2 2022 | +4.0% | +7.1% | -7.1% | |
| Q1 2022 | +9.8% | +2.4% | +2.4% | |
| Q4 2021 | -9.1% | -19.4% | -15.2% | |
| Q3 2021 | +7.2% | -9.0% | -13.3% | |
| Q2 2021 | -5.0% | -6.2% | -25.5% | |
| Q1 2021 | +1.7% | +12.0% | -88.2% | |
| Q3 2020 | -0.4% | +15.0% | +22.3% | |
| Q2 2020 | -4.5% | -5.7% | -7.7% | |
| Q1 2020 | +5.3% | -14.0% | +49.1% | |
| Q3 2019 | -10.5% | -6.7% | -25.7% | |
| Q2 2019 | -2.6% | -7.7% | +4.3% | |
| Q1 2019 | +0.0% | -2.8% | -14.0% | |
| Q3 2018 | +7.4% | +17.0% | +3.7% | |
| Q2 2018 | -1.6% | +11.4% | -2.6% | |
| Q1 2018 | +2.9% | +13.1% | +18.9% | |
| Q3 2017 | +0.0% | -17.4% | +1.4% | |
| Q2 2017 | +0.0% | -8.8% | -5.9% | |
| Q1 2017 | -1.4% | +8.3% | +0.0% | |
| Q3 2016 | +4.8% | +6.0% | -11.9% | |
| Q3 2012 | -3.6% | — | — | |
| Q1 2012 | +3.1% | — | — | |
| Q4 2011 | — | — | — | |
| Q3 2011 | — | — | — | |
| Q2 2011 | — | — | — | |
| Q1 2011 | — | — | — | |
| Q4 2010 | — | — | — | |
| Q3 2010 | — | — | — |
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