CLIR
ClearSign Technologies Corp
Going-concern doubt
— flagged May 15, 2026
Substantial doubt about the company's ability to continue as a going concern.
“There can be no assurance that we will be successful in achieving our long term plans, or that such plans, if consummated, will result in profitable operations or enable us to continue in the long term as a going concern.”View the 10-Q filed May 15, 2026
Company with tickers: CLIR
CIK
1434524
CUSIP
185064201
Shares Outstanding
5,412,633
Website
https://www.clearsign.com
Investor Relations
https://ir.clearsign.com/
Price
$3.82
Market Cap
$20.13M
EPS (Diluted)
$-0.99
52W High
$11.20
52W Low
$3.24
Daily candlestick prices with configurable technical indicators (moving averages, Bollinger Bands, RSI, MACD) and event bullets for 10-K, 10-Q, Form 4 and earnings dates. Price data syncs automatically from Yahoo Finance.
4 Down Days
Indicators
Price
Panels
Event markers
Price & Indicators
Drag to pan · scroll to zoomPerformance
| 5D | 20D | 120D | MTD | YTD | |
|---|---|---|---|---|---|
| CLIR | -6.5% | -23.9% | -37.5% | -17.6% | -31.9% |
| SPY | +1.2% | +0.7% | +8.2% | -1.3% | +9.5% |
| vs SPY | -7.7% | -24.6% | -45.6% | -16.3% | -41.4% |
Close
$3.82
Open
$3.89
Day Range
$3.80 — $3.94
52W High
$11.20
52W Low
$3.24
Avg Vol (30d)
18K
Short Interest
27K · 1.0d
Short Vol % (latest)
27%
Last Earnings
2026-05-21
Latest Filing
Data Range
2020-01-02 — 2026-06-22