Quick Answer
ClearSign Technologies Corp reported Operating Income Loss of -$6.67 million for the year ending 2025.
- ClearSign Technologies Corp showed a decrease of -2.8% in Operating Income Loss from 2024 to 2025.
- This data is from ClearSign Technologies Corp's annual report (Form 10-K), filed with the SEC on March 31, 2026.
- XBRL data for this metric is available from 2011 to 2025 (15 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
- Quarterly values from 10-Q filings: Q1 2011: -$892.2 thousand | Q2 2011: -$707.3 thousand | Q3 2011: -$792.6 thousand | Q1 2012: -$864.0 thousand | Q2 2012: -$1.03 million | Q3 2012: -$1.14 million | Q1 2013: -$1.36 million | Q2 2013: -$1.41 million | Q3 2013: -$1.37 million | Q1 2014: -$1.65 million | Q2 2014: -$1.63 million | Q3 2014: -$1.72 million | Q1 2015: -$1.59 million | Q2 2015: -$1.81 million | Q3 2015: -$1.97 million | Q1 2016: -$2.60 million | Q2 2016: -$2.44 million | Q3 2016: -$3.85 million | Q1 2017: -$2.39 million | Q2 2017: -$2.25 million | Q3 2017: -$2.48 million | Q1 2018: -$2.28 million | Q2 2018: -$2.39 million | Q3 2018: -$2.32 million | Q1 2019: -$2.38 million | Q2 2019: -$2.45 million | Q3 2019: -$2.14 million | Q1 2020: -$1.96 million | Q2 2020: -$1.44 million | Q3 2020: -$1.68 million | Q1 2021: -$2.02 million | Q2 2021: -$2.54 million | Q3 2021: -$2.36 million | Q1 2022: -$1.52 million | Q2 2022: -$1.66 million | Q3 2022: -$1.44 million | Q1 2023: -$1.70 million | Q2 2023: -$1.63 million | Q3 2023: -$1.50 million | Q1 2024: -$1.25 million | Q2 2024: -$2.14 million | Q3 2024: -$1.43 million | Q1 2025: -$2.26 million | Q2 2025: -$1.84 million | Q3 2025: -$1.75 million.
- Over the full 15 years of available data (2011 to 2025), ClearSign Technologies Corp's Operating Income Loss has declined by 123.9%.
- Historical annual values: Fiscal year 2025: -$6.67 million | Fiscal year 2024: -$6.49 million | Fiscal year 2023: -$5.98 million | Fiscal year 2022: -$6.12 million | Fiscal year 2021: -$8.15 million | Fiscal year 2020: -$6.93 million | Fiscal year 2019: -$8.58 million | Fiscal year 2018: -$9.57 million | Fiscal year 2017: -$9.71 million | Fiscal year 2016: -$11.21 million | Fiscal year 2015: -$7.94 million | Fiscal year 2014: -$7.30 million | Fiscal year 2013: -$5.30 million | Fiscal year 2012: -$4.21 million | Fiscal year 2011: -$2.98 million.
- Data sourced from SEC EDGAR public filings as of August 9, 2026.
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