StockData

ClearSign Technologies Corp (CLIR) stock

CLIRNasdaqIndustrial Instruments For Measurement, Display, and ControlFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 14, 2026Score 9/30
$2.30+0.04 (+1.77%)

Close on Nov 13, 2026Market cap $15.66MP/E –Yield –

ClearSign Technologies gross margin

Gross margin is gross profit as a percentage of revenue.

ClearSign Technologies's gross margin for the twelve months ending Jun 30, 2026 was 18.5%. For fiscal 2025 it was 27.2%, against 31.1% the year before. The highest annual figure on record is 34.0% in fiscal 2023.

Annual gross margin

PeriodPeriod endValueChange (pts)
FY2025Dec 31, 202527.2%−3.9
FY2024Dec 31, 202431.1%−2.9
FY2023Dec 31, 202334.0%+3.0
FY2022Dec 31, 202231.0%+105.5
FY2021Dec 31, 2021-74.5%−93.9
FY2018Dec 31, 201819.4%−10.2
FY2017Dec 31, 201729.6%+7.7
FY2016Dec 31, 201621.9%+3.9
FY2015Dec 31, 201518.0%–

Quarterly gross margin

Change is against the same quarter a year earlier.

PeriodPeriod endValueChange (pts)
Q2 FY2026Jun 30, 202640.7%−0.6
Q1 FY2026Mar 31, 2026-205.8%−254.6
Q4 FY2025Dec 31, 202521.9%+7.0
Q3 FY2025Sep 30, 202535.8%+6.1
Q2 FY2025Jun 30, 202541.4%−52.0
Q1 FY2025Mar 31, 202548.9%+9.2
Q4 FY2024Dec 31, 202414.9%−28.9
Q3 FY2024Sep 30, 202429.6%+1.4
Q2 FY2024Jun 30, 202493.3%+7.3
Q1 FY2024Mar 31, 202439.7%+27.8
Q4 FY2023Dec 31, 202343.8%+57.8
Q3 FY2023Sep 30, 202328.2%+22.7
Q2 FY2023Jun 30, 202386.0%+132.3
Q1 FY2023Mar 31, 202311.9%−26.2
Q4 FY2022Dec 31, 2022-14.0%−39.5
Q4 FY2021Dec 31, 20215.6%−31.1
Q3 FY2021Sep 30, 2021-46.3%−76.6
Q1 FY2021Mar 31, 202138.0%+59.3
Q1 FY2018Mar 31, 201825.5%−56.5
Q4 FY2017Dec 31, 201736.7%–
Q1 FY2017Mar 31, 201730.3%–
Q4 FY2016Dec 31, 2016-21.3%–
Q3 FY2016Sep 30, 201681.9%–

More ClearSign Technologies figures

See a number that looks wrong?