ClearSign Technologies Corp (CLIR)
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Lou Basenese - DirectorClearSign Technologies Corp is engaged in designing and develop technologies for the purpose of decarbonization and improving key performance characteristics of industrial and commercial combustion systems, including emission and operational performance, energy efficiency and overall cost-effectiveness. Its ClearSign Core technology has been proved to be in full scale industrial test furnaces and boilers and first customer installations are currently operating in normal commercial applications The company offers products that include process burners, boiler burners, flares, and ClearSign Eye. The company operates in one segment: Combustion segment. The products of the company include: Process Burners, Midstream and Power, Flares, Boiler Burners, and Sensing Technology.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 1 | 500,000 | $1.77M |
| Grant or award | 4 | 17,872 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
25 Form 4 filings on record, the earliest from Oct 3, 2024, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| John M. Pasquesi - 10% Owner | Open-market purchase | Common Stock | 500,000 | $3.54 | $1.77M | |
| Lou Basenese - Director | Grant or award | Non-Statutory Stock Options | 4,595 | $0.00 | - | |
| Gil Todd Silva - Director | Grant or award | Restricted Stock Units | 4,087 | $0.00 | - | |
| Gil Todd Silva - Director | Grant or award | Non-Statutory Stock Options | 4,595 | $0.00 | - | |
| Anthony Digiandomenico - Director | Grant or award | Non-Statutory Stock Options | 4,595 | $0.00 | - | |
 Colin James Deller - Officer | Grant or award | Common Stock | 7,001 | $56.16 | $39K | |
| Colin James Deller - Officer | Tax withholding / forfeiture | Common Stock | 3,501 | $56.16 | $20K | |
| Gil Todd Silva - Director | Open-market purchase | Common Stock | 1,000 | $5.32 | $5K | |
| Gil Todd Silva - Director | Open-market purchase | Common Stock | 1,000 | $5.25 | $5K | |
| Lou Basenese - Director | Grant or award | Non-Statutory Stock Options | 3,024 | $0.00 | - | |
| Gil Todd Silva - Director | Grant or award | Restricted Stock Units | 3,440 | $0.00 | - | |
| Gil Todd Silva - Director | Grant or award | Non-Statutory Stock Options | 3,024 | $0.00 | - | |
| Anthony Digiandomenico - Director | Grant or award | Non-Statutory Stock Options | 3,024 | $0.00 | - | |
| Gil Todd Silva - Director | Open-market purchase | Common Stock | 2,000 | $4.36 | $9K | |
| Gil Todd Silva - Director | Open-market purchase | Common Stock | 2,000 | $4.20 | $8K | |
| Colin James Deller - Officer | Grant or award | Common Stock | 210,043 | $0.00 | - | |
| Colin James Deller - Officer | Tax withholding / forfeiture | Common Stock | 105,022 | $5.62 | $59K | |
 Brent Hinds - Officer | Grant or award | Common Stock | 56,645 | $0.00 | - | |
| Brent Hinds - Officer | Tax withholding / forfeiture | Common Stock | 20,761 | $5.62 | $12K | |
| Brent Hinds - Officer | Grant or award | Restricted Stock Unit | 47,009 | $0.00 | - | |
| Brent Hinds - Officer | Option exercise | Common Stock | 9,315 | - | - | |
| Brent Hinds - Officer | Tax withholding / forfeiture | Common Stock | 3,413 | $5.95 | $2K | |
| Brent Hinds - Officer | Option exercise | Common Stock | 7,547 | - | - | |
| Brent Hinds - Officer | Tax withholding / forfeiture | Common Stock | 2,765 | $5.95 | $2K | |
| Brent Hinds - Officer | Option exercise | Restricted Stock Unit | 9,315 | $0.00 | - | |
| Brent Hinds - Officer | Option exercise | Restricted Stock Unit | 7,547 | $0.00 | - | |
| Brent Hinds - Officer | Option exercise | Common Stock | 10,127 | - | - | |
| Brent Hinds - Officer | Tax withholding / forfeiture | Common Stock | 3,711 | $5.99 | $2K | |
| Brent Hinds - Officer | Option exercise | Restricted Stock Unit | 10,127 | $0.00 | - | |
| Lou Basenese - Director | Grant or award | Restricted Stock Units | 24,621 | $0.00 | - | |
| Gil Todd Silva - Director | Grant or award | Restricted Stock Units | 26,830 | $0.00 | - | |
 Judith S. Schrecker - Director | Grant or award | Restricted Stock Units | 46,296 | $0.00 | - | |
| Lou Basenese - Director | Grant or award | Restricted Stock Units | 34,722 | $0.00 | - | |
 David M. Maley - Director | Grant or award | Restricted Stock Units | 9,452 | $0.00 | - | |
| Gil Todd Silva - Director | Grant or award | Restricted Stock Units | 32,638 | $0.00 | - | |
| Lacy Catharine de - Director | Grant or award | Restricted Stock Units | 32,175 | $0.00 | - | |
| Lacy Catharine de - Director | Grant or award | Restricted Stock Units | 23,712 | $0.00 | - | |
| Judith S. Schrecker - Director | Grant or award | Restricted Stock Units | 32,181 | $0.00 | - | |
| Gil Todd Silva - Director | Grant or award | Restricted Stock Units | 18,477 | $0.00 | - | |
| David M. Maley - Director | Grant or award | Restricted Stock Units | 22,634 | $0.00 | - |
ClearSign Technologies Corp (CLIR) had 4 insider filings in the last 90 days, with the most recent on 2026-07-24. The full record for CLIR runs to 25 Form 4 filings, the earliest from 2024-10-03. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
1 insider purchase of CLIR was filed in the last 90 days, totaling $1.77M.
No insider sales of CLIR were filed in the last 90 days.
This page tracks CLIR Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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