ClearSign Technologies (CLIR) Free Cash Flow (2011 - 2026)
ClearSign Technologies' (CLIR) quarterly Free Cash Flow came in at -$1.3 million in Q1 2026, down 20.9% YoY from -$1.7 million in Q1 2025, and down 5.07% on a QoQ basis from -$1.3 million in Q4 2025.
ClearSign Technologies (CLIR) Free Cash Flow (2011 - 2026) Analysis & Trends
ClearSign Technologies (CLIR) has 16 years of Free Cash Flow data on file, last reported at -$1.3 million in Q1 2026.
- Quarterly Free Cash Flow fell 20.9% year-over-year to -$1.3 million in Q1 2026, while the trailing twelve-month figure through Mar 2026 was -$5.0 million (down 10.31% YoY) and the FY2025 annual result came in at -$4.7 million, down 7.43% from the prior year.
- Free Cash Flow slipped to -$1.3 million in Q1 2026, from -$1.3 million in the prior quarter.
- In the past five years, Free Cash Flow ranged from a high of $46000.0 in Q2 2023 to a low of -$1.8 million in Q2 2022.
- A 5-year average of -$1.1 million and a median of -$1.3 million in 2023 frame the typical range for Free Cash Flow.
- Annual changes were most pronounced in 2023 — Free Cash Flow soared 102.49% — and 2024, when it sank 3413.04%.
- Tracing CLIR's Free Cash Flow over 5 years: stood at -$733000.0 in 2022, then tumbled by 97.82% to -$1.4 million in 2023, then soared by 69.93% to -$436000.0 in 2024, then slumped by 194.27% to -$1.3 million in 2025, then slipped by 5.07% to -$1.3 million in 2026.
- The last three Free Cash Flow figures came in at -$1.3 million (Q1 2026), -$1.3 million (Q4 2025), and -$1.8 million (Q3 2025), per Business Quant data.
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Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Free Cash Flow (Qtr) |
|---|---|---|---|---|---|
| 1 | Veralto | 24.28 Bn | 22.16 Bn | 902.00 Mn | 328.00 Mn |
| 2 | Zurn Elkay Water Solutions | 8.20 Bn | 7.84 Bn | 288.30 Mn | 159.40 Mn |
| 3 | Federal Signal | 7.46 Bn | 7.39 Bn | 203.80 Mn | 101.00 Mn |
| 4 | Ceco Environmental | 3.10 Bn | 3.04 Bn | 86.47 Mn | -24.22 Mn |
| 5 | PureCycle Technologies | 1.26 Bn | 1.26 Bn | - | -81.77 Mn |
| 6 | Aduro Clean Technologies | 528.77 Mn | 500.10 Mn | - | 460,853.02 |
| 7 | Energy Recovery | 406.56 Mn | 313.50 Mn | 8.96 Mn | 15.43 Mn |
| 8 | Arq | 96.62 Mn | 95.72 Mn | 11.51 Mn | -4.18 Mn |
| 9 | Fuel Tech | 43.03 Mn | 23.42 Mn | 2.68 Mn | -971,000.00 |
| 10 | ClearSign Technologies | 26.54 Mn | 16.65 Mn | 228,000.00 | -1.24 Mn |
Historic Data
Download Data| Date | Value |
|---|---|
| Jun 30, 2026 | -1.24 Mn |
| Jun 30, 2026 | -1.24 Mn |
| Mar 31, 2026 | -1.35 Mn |
| Mar 31, 2026 | -1.35 Mn |
| Dec 31, 2025 | -1.28 Mn |
| Dec 31, 2025 | -1.28 Mn |
| Sep 30, 2025 | -1.83 Mn |
| Sep 30, 2025 | -1.83 Mn |
| Jun 30, 2025 | -511,000.00 |
| Jun 30, 2025 | -511,000.00 |
| Mar 31, 2025 | -1.12 Mn |
| Mar 31, 2025 | -1.12 Mn |
| Dec 31, 2024 | -436,000.00 |
| Dec 31, 2024 | -436,000.00 |
| Sep 30, 2024 | -1.43 Mn |
| Sep 30, 2024 | -1.43 Mn |
| Jun 30, 2024 | -1.52 Mn |
| Jun 30, 2024 | -1.52 Mn |
| Mar 31, 2024 | -1.00 Mn |
| Mar 31, 2024 | -1.00 Mn |