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CLIR

ClearSign Technologies (CLIR) stock: insider trades, news & valuation

Net buying
Close · Oct 9, 2026 $3.21 +3.2% on the day -65.1% over 12 months 52-week range $3.11 – $10.00

Share price and insider trades

CLIR closeInsider buyInsider sale
24681012NovDecJan 2026FebMarAprMayJunJulAugSepOctBought $8,400 on 2026-03-17 · Gil Todd SilvaBought $8,720 on 2026-03-16 · Gil Todd SilvaBought $10,570 on 2026-04-23 · Gil Todd SilvaBought $1,770,000 on 2026-07-22 · John M Pasquesi
Bought, 12 months$1.8M
Sold, 12 months$0
Insiders buying1
Insiders selling0

ClearSign Technologies insider trading at a glance (Oct 9, 2026): in the past 12 months, 1 insider bought $1.8M and 0 sold $0 of CLIR stock on the open market.

CLIR insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q1 2026: $17K bought (2 trades)$17KQ1 2026Q2 2026: $11K bought (2 trades)$11KQ2 2026Q3 2026: $1.8M bought (1 trades)$1.8MQ3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026$1.8M1—0
Q2 2026$11K2—0
Q1 2026$17K2—0

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day1.1×Last 5 sessions
Insiders' paper profit−$173KOn all tracked purchases -9.6%

Summary

Over the past 12 months, 1 ClearSign Technologies Corp insider reported open-market purchases totaling $1.8M, while 0 insiders reported sales totaling $0.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Jul 24SEC John M Pasquesi10% Owner Buy 500,0001,343,477 held (+59%) $3.54 $1.8M -9.3% —
Apr 27SEC Gil Todd SilvaDirector Buy 1,0005,000 held (+25%) $5.32 $5K -39.7% —
Apr 27SEC Gil Todd SilvaDirector Buy 1,0006,000 held (+20%) $5.25 $5K -38.9% —
Mar 19SEC Gil Todd SilvaDirector Buy 2,000new position $4.36 $9K -26.4% —
Mar 19SEC Gil Todd SilvaDirector Buy 2,0004,000 held (+100%) $4.20 $8K -23.6% —

Insiders at ClearSign Technologies Corp

InsiderBoughtSoldLast filingScore
John M Pasquesi10% Owner $1.8M — Jul 24, 2026 —
Gil Todd SilvaDirector $28K — Apr 27, 2026 —

CLIR stock: common questions

Are ClearSign Technologies Corp insiders buying CLIR stock?

In the past 12 months, 1 insiders reported open-market purchases of CLIR worth $1.8M. The latest was 10% Owner John M Pasquesi bought $1.8M of CLIR at $3.54 — first open-market purchase in our records; raises the stake by 59%.

Are ClearSign Technologies Corp insiders selling CLIR stock?

0 insiders reported sales worth $0 over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is CLIR's 52-week range?

Over the past year CLIR has traded between $3.11 and $10.00. It last closed at $3.21 on Oct 9, 2026.