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ClearSign Technologies (CLIR) Q4 2024 earnings results (fourth quarter 2024)

10-K filed Mar 31, 2025

ClearSign Technologies (CLIR) reported revenue of $590K for the fourth quarter 2024 (Q4 2024), -54% from a year earlier and -68% from the quarter before. Operating margin was -282.4%, net loss $1.2M (197.3% of revenue).

Revenue$590K
Year over year-54%
Quarter over quarter-68%
Operating margin-282.4%
Net earnings−$1.2M

ClearSign Technologies, Q4 2024: revenue $590K (-54% year over year), operating margin -282.4%, net loss $1.2M, operating cash flow −$415K. The chart follows the revenue to costs, profit and cash.

Q4 2024AmountQ/QY/Y
Revenue$590K-68%-54%
Operating profit−$1.7M——
Net earnings−$1.2M——
Operating cash flow−$415K——

What changed

Revenue was $590K in Q4 2024, down 54% year over year and down 68% from the previous quarter.

Gross margin was 14.9%, down 28.9 points from a year earlier. Operating costs exceeded revenue by $1.7M, an operating margin of -282.4%. Operating expenses grew 3% against a revenue fall of 54%. The fastest-growing cost line was Research & development (+54%). The quarter ended with a net loss of $1.2M, wider than the previous quarter's $1.2M loss. Non-operating items added $502K, -43% of pre-tax earnings, so the bottom line overstates operating performance.

Operating cash flow was −$415K. Non-cash charges added back $48K of depreciation and amortization and $44K of share-based compensation. Working capital and other items added $657K. Capital expenditures of $21K exceeded it, leaving free cash flow of −$436K.

Questions

What was ClearSign Technologies' revenue in the fourth quarter 2024?

ClearSign Technologies (CLIR) reported revenue of $590K for the fourth quarter 2024 (Q4 2024), -54% from a year earlier and -68% from the quarter before.

Was ClearSign Technologies profitable in the fourth quarter 2024?

Operating loss was $1.7M (-282.4% of revenue) and net loss $1.2M.

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Source: ClearSign Technologies 10-K on SEC EDGAR.