CLIR ClearSign Technologies Corp

BULLISH Impact: 5/10 8-K
Horizon days Filed May 28, 2026 Processed 15d 14h ago SEC 0001104659-26-067517
8-K context-dependent: Items 8.01
Latest settled — T+5d ⚠ clustered
CLIR ▼ -14.90% at T+5d
LONG call ✗ call lost -14.90% · α vs SPY -12.38% · entry $4.63 → $3.94
Next anchor: T+20d in 13d
Currently $4.08 · -11.88% from $4.63 entry
Entry anchored
May 28, 2026
via day open
T+1d
-3.46%
call -3.46% · α -3.71%
$4.47
settled 15d ago
T+5d
-14.90%
call -14.90% · α -12.38%
$3.94
settled 9d ago
T+20d
call — · α —
in 13d
T+60d
call — · α —
in 2mo

Price Chart

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Executive Summary

ClearSign Technologies suspended and terminated its at-the-market (ATM) equity offering program with H.C. Wainwright, which had $10.39 million in capacity remaining but had never been drawn upon. The ATM agreement itself remains in effect, but no shares can be sold under it until a new prospectus supplement is filed.

Actionable Insight

The termination of the undrawn ATM removes a significant overhang for a micro-cap stock. Traders should watch for any new prospectus supplement filing that would restart the facility, which would reintroduce dilution risk. The stock may see a modest positive reaction as the market prices in the removal of this dilutive overhang.

Key Facts

  • ClearSign terminated the prospectus supplement for its $10.39 million ATM equity facility with H.C. Wainwright on May 26, 2026.
  • No shares had ever been sold under the ATM program; the full $10.39 million capacity was unused.
  • The underlying ATM agreement remains in force, but sales cannot resume until a new prospectus supplement is filed.
  • The company has a $24 million market cap, making the undrawn $10.39 million facility equivalent to ~43% of its market cap.

Financial Impact

Removal of a $10.39 million overhang (43% of $24M market cap) that had never been used. No actual dilution occurred.

dilution

Risk Factors

  • The ATM agreement is still in effect; a new prospectus supplement could be filed at any time, reintroducing the same overhang.
  • The company may need to raise capital through other means if it requires funding, potentially at worse terms.
  • Historical performance on CLIR reports shows poor T+20 outcomes, suggesting limited follow-through on positive news.

Market Snapshot

Exchange
Nasdaq
Sector
Industrial Instruments For Measurement, Display, and Control
Analyst Consensus
86% bullish (7 analysts)

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
8-K Filing (Primary)0001104659-26-067517
Document: 0001104659-26-067517-index-headers.html0001104659-26-067517
Document: 0001104659-26-067517-index.html0001104659-26-067517
Document: 0001104659-26-067517.txt0001104659-26-067517
6 reports for CLIR
Performance horizon
100% Hit rate 5 of 5 directional calls best @ T+5▲ +11.86%Jun 1, 2026
Filters
Rows
Reports for CLIR — sortable, filterable
Type Now
Jun 1, 2026
11d ago
8-K
BEARISH ★ 6/10
$4.47 $3.94▲ +11.86%▲ +9.11%$4.08 (+8.72%)
Jun 1, 2026
11d ago
424B5
BEARISH ★ 6/10
$4.47 $3.94▲ +11.86%▲ +9.11%$4.08 (+8.72%)
May 28, 2026
15d ago
424B5
BEARISH ★ 6/10
$4.63 $4.38▲ +5.40%▲ +5.11%$4.08 (+11.88%)
May 28, 2026
15d ago
8-K
BULLISH ★ 5/10
$4.63 $3.94▼ −14.90%▼ −12.38%$4.08 (−11.88%)
May 21, 2026
22d ago
8-K
BEARISH ★ 6/10
$4.85 $4.47▲ +7.84%▲ +9.49%$4.08 (+15.88%)
Apr 10, 2026
9w ago
8-K
BULLISH ★ 7/10
$5.39 $5.41▲ +0.37%▼ −2.92%$4.08 (−24.30%)
Showing 6 of 6

US Market Status

Market Closed — Opens Mon (50h 41m)

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