sec filing
CL
NASDAQ · CLIR
ClearSign Technologies Corporation
Industrials · Industrial - Pollution & Treatment Controls
$4.65
Up+$0.40 (+9.41%)
Updated Aug 15, 2026, 5:58 AM
SID Score
5.7/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 31.37M
- P/E ratio
- -5.17
- Dividend yield
- 0.00%
- 52-week range
- $0.52 – $7.56
- Volume
- 27.23K
- Avg. volume
- 819.03K
Price performance
CLIR price history
1M range · 21 trading sessions · Daily adjusted prices
CLIR closed at $4.65 after 21 trading sessions, up 28.45% for the selected period.
- Last close
- $4.65
- Period change
- +28.45%
- Period low
- $3.25
- Period high
- $4.65
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Aug 14, 2026 | $4.10 | $4.70 | $4.10 | $4.65 | 27.23K |
| Aug 13, 2026 | $4.1101 | $4.25 | $4.1101 | $4.25 | 3.54K |
| Aug 12, 2026 | $4.0614 | $4.1999 | $4.0614 | $4.1342 | 2.7K |
| Aug 11, 2026 | $3.95 | $4.17 | $3.86 | $4.17 | 25.85K |
| Aug 10, 2026 | $3.81 | $3.95 | $3.66 | $3.905 | 15.47K |
| Aug 7, 2026 | $3.785 | $3.785 | $3.75 | $3.75 | 3.55K |
| Aug 6, 2026 | $3.88 | $3.905 | $3.73 | $3.84 | 9.96K |
| Aug 5, 2026 | $3.98 | $4.1051 | $3.825 | $3.89 | 4.53K |
| Aug 4, 2026 | $3.96 | $4.03 | $3.96 | $4.00 | 2.99K |
| Aug 3, 2026 | $3.87 | $4.33 | $3.86 | $3.96 | 18.32K |
| Jul 31, 2026 | $3.88 | $3.962 | $3.85 | $3.86 | 1.21K |
| Jul 30, 2026 | $3.8001 | $3.9699 | $3.8001 | $3.90 | 2.67K |
| Jul 29, 2026 | $3.91 | $4.0371 | $3.8518 | $4.0159 | 2.76K |
| Jul 28, 2026 | $3.885 | $4.04 | $3.8006 | $4.04 | 7.55K |
| Jul 27, 2026 | $3.74 | $4.00 | $3.74 | $3.98 | 18.39K |
| Jul 24, 2026 | $3.34 | $3.49 | $3.34 | $3.49 | 32.87K |
| Jul 23, 2026 | $3.20 | $3.72 | $3.20 | $3.35 | 62.41K |
| Jul 22, 2026 | $3.35 | $3.40 | $3.16 | $3.25 | 7.38K |
| Jul 21, 2026 | $3.40 | $3.425 | $3.35 | $3.3501 | 3.39K |
| Jul 20, 2026 | $3.55 | $3.55 | $3.32 | $3.37 | 13.56K |
| Jul 17, 2026 | $3.65 | $3.66 | $3.52 | $3.62 | 3.85K |
Latest CLIR news
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