CLIR

ClearSign Technologies Corp · Manufacturing · Market cap $21.2M

Insiders bought $1.8M net in the last 90 days ·0 sellers, 2 buyers· latest Form 4 filed Jul 24, 2026

Insider Buying

$1.8M

reported purchases (SEC code P)

Insider Selling

$0

reported sales (SEC code S)

Unique Insiders

2

in the rolling window

Latest filing

Jul 24, 2026

PASQUESI JOHN M

ClearSign Technologies Corp (CLIR) has 8 SEC Form 4 filings (17 transaction rows) in the rolling window, disclosed by 2 distinct insiders. Most recent filing: Jul 24, 2026.

Inside the rolling window, 2 insiders at ClearSign Technologies Corp reported 4 open-market purchases totaling $1.8M and no open-market sales. The most active filer is Director Silva Gil Todd with 3 filings. Insiders have net bought $1.8M over the trailing 6 months. The largest single insider purchase in this window was $1.8M by 10% Owner PASQUESI JOHN M on Jul 22, 2026.

  • Industry:Industrial - Pollution & Treatment Controls
  • CEO:Colin James Deller
  • Employees:15
  • HQ:Tulsa, OK, US
  • IPO:2012-04-25
Source
PASQUESI JOHN MFirst in 7 months
Purchase$1.8MJul 24SEC ↗
Purchase$11KApr 28SEC ↗
Silva Gil ToddFirst filing
Purchase$9KMar 19SEC ↗
Silva Gil ToddFirst filing
Purchase$8KMar 19SEC ↗
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Frequently asked questions

How many SEC Form 4 insider filings does CLIR have?

ClearSign Technologies Corp (CLIR) has 8 SEC Form 4 filings (17 transaction rows) in the rolling 365-day window, disclosed by 2 distinct insiders. Most recent filing: Jul 24, 2026.

When was the most recent SEC Form 4 filing for CLIR?

The most recent Form 4 filing for CLIR on Tracefour is dated Jul 24, 2026.

Who is the most active insider at CLIR?

The most active SEC Form 4 filer at CLIR in the rolling window is Director Silva Gil Todd, with 3 filings.

What is the net insider flow at CLIR over the last 6 months?

Over the trailing 180 days, insiders at CLIR have net bought $1.8M based on SEC Form 4 disclosures.

What was the largest insider purchase at CLIR?

The largest single insider open-market purchase at CLIR in the rolling window was $1.8M by 10% Owner PASQUESI JOHN M on 2026-07-22.

What is the total insider buy and sell value at CLIR in the current window?

Inside the rolling window, insiders at CLIR bought $1.8M and sold $0 based on SEC Form 4 filings.

Can I get alerts for CLIR insider trading?

Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at ClearSign Technologies Corp (CLIR). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.

Related companies

ClearSign Technologies Corp is in the Manufacturing sector.