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| Period | Revenue | YoY | Gross margin | Operating income | Net income | YoY | EPS | Op. cash flow | Capex | Free cash flow | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Q2 2026 · Jun 30 | — | — | — | −$1.5M | −$1.3M | — | -0.22 | −$1.2M | — | — | Aug 14 |
| Q1 2026 · Mar 31 | — | — | — | −$2.3M | −$2.2M | — | -0.39 | −$1.3M | — | — | May 15 |
| Q4 2025 · Dec 31 | — | — | — | −$826K | −$311K | — | -0.06 | −$1.3M | $0 | −$1.3M | Mar 31 |
| Q3 2025 · Sep 30 | — | — | — | −$1.8M | −$1.4M | — | -0.26 | −$1.8M | $0 | −$1.8M | Mar 31 |
| Q2 2025 · Jun 30 | — | — | — | −$1.8M | −$1.7M | — | -0.30 | −$511K | $0 | −$511K | Aug 14 |
| Q1 2025 · Mar 31 | — | — | — | −$2.3M | −$2.1M | — | -0.38 | −$1.1M | $4K | −$1.1M | May 15 |
| Q4 2024 · Dec 31 | — | — | — | −$1.7M | −$1.2M | — | -0.25 | −$415K | $21K | −$436K | Mar 31 |
| Q3 2024 · Sep 30 | — | — | — | −$1.4M | −$1.2M | — | -0.20 | −$1.4M | $0 | −$1.4M | Mar 31 |
| Q2 2024 · Jun 30 | — | — | — | −$2.1M | −$1.9M | — | -0.40 | −$1.5M | — | — | Mar 31 |
| Q1 2024 · Mar 31 | — | — | — | −$1.3M | −$1.1M | — | -0.30 | −$1M | — | — | Mar 31 |
| Q4 2023 · Dec 31 | — | — | — | −$1.2M | −$955K | — | -0.02 | −$1.4M | — | — | Mar 31 |
| Q3 2023 · Sep 30 | — | — | — | −$1.5M | −$1.3M | — | -0.03 | −$1.3M | — | — | Mar 31 |
| Year | Revenue | Gross margin | Operating income | Net income | Net margin | EPS | Op. cash flow | Capex | Free cash flow | Buybacks | Dividends paid |
|---|---|---|---|---|---|---|---|---|---|---|---|
| FY2025 · to Dec 31 | — | — | −$6.7M | −$5.5M | — | -0.99 | −$4.7M | $4K | −$4.7M | — | — |
| FY2024 · to Dec 31 | — | — | −$6.5M | −$5.3M | — | -1.08 | −$4.4M | $39K | −$4.4M | — | — |
| FY2023 · to Dec 31 | — | — | −$6M | −$5.2M | — | -0.13 | −$3.2M | — | — | — | — |
| FY2022 · to Dec 31 | — | — | −$6.1M | −$5.8M | — | -0.16 | −$5M | $10K | −$5M | — | — |
| FY2021 · to Dec 31 | — | — | −$8.1M | −$7.9M | — | -0.25 | −$6.7M | $73K | −$6.8M | — | — |
| FY2020 · to Dec 31 | — | — | −$6.9M | −$6.9M | — | -0.25 | −$6M | $17K | −$6M | — | — |
Every number comes from ClearSign Technologies Corp's own XBRL-tagged filings with the SEC, not a data vendor. Quarters marked derived are the fiscal year minus the three reported quarters, the same way every data provider computes Q4. Restated figures replace originals as later filings arrive.