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10-K

Annual Report

ClearSign Technologies Corp CLIR

0001104659-26-037699

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Filed
Mar 31, 2026 12:00 AM ET
Period of report
Restated figures. One or more values in this filing restate previously reported amounts.

On SEC.gov

Financials in this filing

Metric Period Value
Shares Outstanding FY 2025 · Mar 16, 2026 5.41M sh
Shares Diluted FY 2025 · Dec 31, 2025 5.55M sh
Shares Diluted restated FY 2025 · Dec 31, 2024 4.89M sh
Capex FY 2025 · Dec 31, 2025 $4K
Capex FY 2025 · Dec 31, 2024 $39K
Operating Cash Flow FY 2025 · Dec 31, 2025 −$4.74M
Operating Cash Flow FY 2025 · Dec 31, 2024 −$4.37M
Cash And Equivalents FY 2025 · Dec 31, 2025 $9.18M
Cash And Equivalents FY 2025 · Dec 31, 2024 $14.04M
Current Liabilities FY 2025 · Dec 31, 2025 $2.58M
Current Liabilities restated FY 2025 · Dec 31, 2024 $2.41M
Total Liabilities FY 2025 · Dec 31, 2025 $2.65M
Total Liabilities restated FY 2025 · Dec 31, 2024 $2.52M
Current Assets FY 2025 · Dec 31, 2025 $11.23M
Current Assets restated FY 2025 · Dec 31, 2024 $15.22M
Total Assets FY 2025 · Dec 31, 2025 $12.18M
Total Assets restated FY 2025 · Dec 31, 2024 $16.28M
Eps Diluted FY 2025 · Dec 31, 2025 −$0.06
Eps Diluted FY 2025 · Dec 31, 2025 −$0.99
Eps Diluted FY 2025 · Sep 30, 2025 −$0.26
Eps Diluted FY 2025 · Jun 30, 2025 −$0.30
Eps Diluted FY 2025 · Mar 31, 2025 −$0.37
Eps Diluted restated FY 2025 · Dec 31, 2024 −$0.25
Eps Diluted restated FY 2025 · Dec 31, 2024 −$1.08
Eps Diluted restated FY 2025 · Sep 30, 2024 −$0.20
Eps Diluted restated FY 2025 · Jun 30, 2024 −$0.40
Eps Diluted restated FY 2025 · Mar 31, 2024 −$0.30
Eps Basic FY 2025 · Dec 31, 2025 −$0.06
Eps Basic FY 2025 · Dec 31, 2025 −$0.99
Eps Basic FY 2025 · Sep 30, 2025 −$0.26
Eps Basic FY 2025 · Jun 30, 2025 −$0.30
Eps Basic FY 2025 · Mar 31, 2025 −$0.37
Eps Basic restated FY 2025 · Dec 31, 2024 −$0.25
Eps Basic restated FY 2025 · Dec 31, 2024 −$1.08
Eps Basic restated FY 2025 · Sep 30, 2024 −$0.20
Eps Basic restated FY 2025 · Jun 30, 2024 −$0.40
Eps Basic restated FY 2025 · Mar 31, 2024 −$0.30
Rd Expense FY 2025 · Dec 31, 2025 $1.42M
Rd Expense FY 2025 · Dec 31, 2024 $1.47M
Net Income FY 2025 · Dec 31, 2025 −$311K
Net Income FY 2025 · Dec 31, 2025 −$5.5M
Net Income FY 2025 · Sep 30, 2025 −$1.43M
Net Income FY 2025 · Jun 30, 2025 −$1.68M
Net Income FY 2025 · Mar 31, 2025 −$2.08M
Net Income FY 2025 · Dec 31, 2024 −$1.16M
Net Income FY 2025 · Dec 31, 2024 −$5.3M
Net Income FY 2025 · Sep 30, 2024 −$1.16M
Net Income FY 2025 · Jun 30, 2024 −$1.87M
Net Income FY 2025 · Mar 31, 2024 −$1.11M
Operating Income FY 2025 · Dec 31, 2025 −$6.67M
Operating Income FY 2025 · Dec 31, 2024 −$6.49M
Gross Profit FY 2025 · Dec 31, 2025 $805K
Gross Profit FY 2025 · Dec 31, 2025 $1.42M
Gross Profit FY 2025 · Sep 30, 2025 $368K
Gross Profit FY 2025 · Jun 30, 2025 $55K
Gross Profit FY 2025 · Mar 31, 2025 $196K
Gross Profit FY 2025 · Dec 31, 2024 $88K
Gross Profit FY 2025 · Dec 31, 2024 $1.12M
Gross Profit FY 2025 · Sep 30, 2024 $551K
Gross Profit FY 2025 · Jun 30, 2024 $42K
Gross Profit FY 2025 · Mar 31, 2024 $437K
Cost Of Revenue FY 2025 · Dec 31, 2025 $3.81M
Cost Of Revenue FY 2025 · Dec 31, 2024 $2.48M