ClearSign Technologies (CLIR) Free Cash Flow (2011 - 2026)
ClearSign Technologies (CLIR) reported Free Cash Flow of -$1.3 million for Q1 2026, down 20.9% on a YoY basis from -$1.7 million in Q1 2025, and down 5.07% quarter-over-quarter from -$1.3 million in Q4 2025.
ClearSign Technologies (CLIR) Free Cash Flow (2011 - 2026) Analysis & Trends
ClearSign Technologies has reported Free Cash Flow for 16 years, with the latest figure at -$1.3 million in Q1 2026.
- For the quarter ending Q1 2026, Free Cash Flow fell 20.9% year-over-year to -$1.3 million; the trailing twelve-month figure through Mar 2026 stood at -$5.0 million (down 10.31% YoY), and the FY2025 full-year result was -$4.7 million, down 7.43% from the prior year.
- Free Cash Flow for Q1 2026 stood at -$1.3 million, down from -$1.3 million in the prior quarter.
- The five-year high for Free Cash Flow was $46000.0 in Q2 2023, with the low at -$1.8 million in Q2 2022.
- Historically, Free Cash Flow has averaged -$1.1 million across 5 years, with a median of -$1.3 million in 2023.
- Annual changes were most pronounced in 2023 — Free Cash Flow soared 102.49% — and 2024, when it sank 3413.04%.
- ClearSign Technologies' Free Cash Flow 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.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Free Cash Flow (Qtr) |
|---|---|---|---|---|---|
| 1 | Aduro Clean Technologies | 856.39 Bn | 856.36 Bn | - | -1.53 Mn |
| 2 | Veralto | 20.76 Bn | 19.33 Bn | 854.00 Mn | 170.00 Mn |
| 3 | Zurn Elkay Water Solutions | 8.35 Bn | 8.08 Bn | 205.80 Mn | 42.70 Mn |
| 4 | Federal Signal | 7.20 Bn | 7.13 Bn | 179.40 Mn | 94.60 Mn |
| 5 | Ceco Environmental | 3.52 Bn | 3.48 Bn | 63.92 Mn | -15.69 Mn |
| 6 | PureCycle Technologies | 1.57 Bn | 1.47 Bn | - | -46.09 Mn |
| 7 | Energy Recovery | 497.64 Mn | 411.49 Mn | 2.70 Mn | 20.22 Mn |
| 8 | CleanCore Solutions | 210.18 Mn | 193.13 Mn | -419,259.00 | -137.87 Mn |
| 9 | Arq | 118.94 Mn | 114.26 Mn | 9.94 Mn | -676,000.00 |
| 10 | ClearSign Technologies | 963,300.02 | -6.77 Mn | -393,000.00 | -1.35 Mn |
Historic Data
Download Data| Date | Value |
|---|---|
| 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 |
| Dec 31, 2023 | -1.45 Mn |
| Dec 31, 2023 | -1.45 Mn |