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CLIR
NASDAQ Industrial Applications And Services

ClearSign Technologies Announces Preliminary Underwritten Public Offering After Suspending ATM

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Waste & Environmental Stocks · Industrial
Sentiment info
Negative
Importance info
7
Price
$3.6
Mkt Cap
$24.682M
52W Low
$3.24
52W High
$11.2
52W Position info
11% above low
Off High info
68% below high
Rel. Volume info
0.8× avg
Market data snapshot near publication time

CLIR is trading near its 52-week low of $3.24 (11% above the low).

Summary

ClearSign Technologies Corp. announced a preliminary underwritten public offering of common stock, seeking to raise capital after suspending its previous ATM program, amidst ongoing financial challenges and a going concern warning.


Key Events · Financing and Capital Events · CLIR

  • New Underwritten Public Offering

    ClearSign Technologies Corp. filed a preliminary prospectus supplement for a new underwritten public offering of common stock. The number of shares and offering price are not yet determined.

  • Follows ATM Program Suspension

    This new offering comes immediately after the company announced the suspension of its existing At-The-Market (ATM) offering program on May 26, 2026, indicating a shift in capital raising strategy.

  • Critical Need for Capital

    The company explicitly states it has incurred significant losses, expects continued negative cash flow, and needs additional financing to support operations and avoid a going concern risk.

  • Reverse Stock Split Context

    The company recently completed a 1-for-10 reverse stock split on March 16, 2026, to regain Nasdaq compliance, with all share and per share information in this filing adjusted to reflect the split.


Analysis · CLIR · Industrial Applications And Services

ClearSign Technologies Corp. has filed a preliminary prospectus supplement for a new underwritten public offering of common stock. This follows the recent suspension of their At-The-Market (ATM) offering, highlighting the company's urgent need for capital. The filing reiterates a going concern warning, indicating that successful financing is critical for continued operations. While the specific number of shares and offering price are not yet disclosed, this announcement signals a significant capital raise attempt in a financially distressed context, likely leading to substantial dilution for existing shareholders.

At the time of this filing, CLIR was trading at $3.60 on NASDAQ in the Industrial Applications And Services sector, with a market capitalization of approximately $24.7M. The 52-week trading range was $3.24 to $11.20. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.

View Main SEC Filing

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CLIR - Latest Insights

CLIR
Jul 06, 2026, 4:13 PM EDT
Source: Wiseek News
Importance Score:
8
Price at Filing: $4.10
Real-time Price: $3.75 info
Change: -$0.350 (-9%) info
Market Cap: $23.464M info
CLIR
Jul 06, 2026, 4:06 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $4.10
Real-time Price: $3.75 info
Change: -$0.350 (-9%) info
Market Cap: $23.464M info
CLIR
Jul 06, 2026, 4:05 PM EDT
Filing Type: 424B5
Importance Score:
8
Price at Filing: $4.10
Real-time Price: $3.75 info
Change: -$0.350 (-9%) info
Market Cap: $23.464M info
CLIR
Jun 18, 2026, 4:23 PM EDT
Source: Wiseek News
Importance Score:
7
Price at Filing: $3.79
Real-time Price: $3.75 info
Change: -$0.040 (-1%) info
Market Cap: $23.464M info
CLIR
Jun 18, 2026, 4:15 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $3.79
Real-time Price: $3.75 info
Change: -$0.040 (-1%) info
Market Cap: $23.464M info
CLIR
Jun 09, 2026, 4:30 PM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $4.16
Real-time Price: $3.75 info
Change: -$0.410 (-10%) info
Market Cap: $23.464M info
CLIR
Jun 01, 2026, 8:30 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $4.46
Real-time Price: $3.75 info
Change: -$0.710 (-16%) info
Market Cap: $23.464M info
CLIR
Jun 01, 2026, 8:25 AM EDT
Filing Type: 424B5
Importance Score:
8
Price at Filing: $4.46
Real-time Price: $3.75 info
Change: -$0.710 (-16%) info
Market Cap: $23.464M info
CLIR
May 29, 2026, 8:30 AM EDT
Source: ACCESS Newswire
Importance Score:
9
Price at Filing: $3.77
Real-time Price: $3.75 info
Change: -$0.020 (-0.53%) info
Market Cap: $23.464M info
CLIR
May 28, 2026, 4:31 PM EDT
Filing Type: 424B5
Importance Score:
7
Price at Filing: $3.60
Real-time Price: $3.75 info
Change: +$0.150 (+4%) info
Market Cap: $23.464M info