The table below shows ClearSign Technologies Corp's cash flow statement by quarter, as reported in the company's quarterly filings. All figures are in US dollars; negative values appear in red.
Line item
Q1 2026
Q1 2025
Q1 2024
Q1 2023
Q1 2022
Q1 2021
Operating cash flow
-$1.35M
-$1.11M
-$1.00M
-$554.00K
-$1.50M
-$1.51M
Capital expenditure
-
$4.00K
-
-
$5.00K
$54.00K
Investing cash flow
-$64.00K
-$41.00K
-$34.00K
-$554.00K
-$15.00K
-$88.00K
Dividends paid
-
-
-
CLIR operating cash flow (10-K history)
ClearSign Technologies Corp reported operating cash flow of -$4.74M for fiscal year 2025. That is down 8.3% from -$4.37M in fiscal 2024. Over the 10 fiscal years shown, operating cash flow grew from -$8.67M (FY 2016) to -$4.74M. Figures come from the company's audited annual reports as filed with the SEC.