ClearSign Technologies Corp (CLIR)
Data as of , from SEC Form 4 filings.
Net insider buying (90d)Watch CLIR
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About ClearSign Technologies Corp (CLIR)
The SEC lists ClearSign Technologies Corp under CIK 0001434524, in industrial instruments for measurement, display, and control. It is grouped with Information Technology companies on this site.
CLIR Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 1 | 500,000 | $1.77M |
| Grant or award | 5 | 17,798 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
CLIR insider transactions (Form 4)
4529 Form 4 filings on record, the earliest from Oct 3, 2024, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
 Lou Basenese - Director | Grant or award | Non-Statutory Stock Options | 3,766 | $0.00 | - | |
| Gil Todd Silva - Director | Grant or award | Restricted Stock Units | 4,225 | $0.00 | - | |
| Gil Todd Silva - Director | Grant or award | Non-Statutory Stock Options | 3,766 | $0.00 | - | |
| Larry Michael Saddler - Director | Grant or award | Non-Statutory Stock Options | 2,275 | $0.00 | - | |
| Anthony Digiandomenico - Director | Grant or award | Non-Statutory Stock Options | 3,766 | $0.00 | - | |
| 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 | $5.62 | $39K | |
| Colin James Deller - Officer | Tax withholding / forfeiture | Common Stock | 3,501 | $5.62 | $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 footnote F1 | $0.00 | - | |
| Colin James Deller - Officer | Tax withholding / forfeiture | Common Stock | 105,022 footnote F2 | $0.56 | $59K | |
| ||||||
 Brent Hinds - Officer | Grant or award | Common Stock | 56,645 footnote F1 | $0.00 | - | |
| Brent Hinds - Officer | Tax withholding / forfeiture | Common Stock | 20,761 footnote F2 | $0.56 | $12K | |
| Brent Hinds - Officer | Grant or award | Restricted Stock Unit | 47,009 | $0.00 | - | |
| ||||||
| Brent Hinds - Officer | Option exercise | Common Stock | 9,315 footnote F1 | - footnote F1 | - | |
| Brent Hinds - Officer | Tax withholding / forfeiture | Common Stock | 3,413 footnote F2 | $0.59 | $2K | |
| Brent Hinds - Officer | Option exercise | Common Stock | 7,547 footnote F3 | - footnote F3 | - | |
| Brent Hinds - Officer | Tax withholding / forfeiture | Common Stock | 2,765 footnote F4 | $0.59 | $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 footnote F1 | - footnote F1 | - | |
| Brent Hinds - Officer | Tax withholding / forfeiture | Common Stock | 3,711 footnote F2 | $0.60 | $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 | - | |
 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 | - | |
 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 | - | |
| Gil Todd Silva - Director | Grant or award | Restricted Stock Units | 18,477 | $0.00 | - | |
| Judith S. Schrecker - Director | Grant or award | Restricted Stock Units | 32,181 | $0.00 | - | |
| David M. Maley - Director | Grant or award | Restricted Stock Units | 22,634 | $0.00 | - | |
| Lacy Catharine de - Director | Grant or award | Restricted Stock Units | 23,712 | $0.00 | - | |
Item 7.01, 9.01
Item 2.02, 7.01, 9.01
Item 5.02, 7.01, 9.01
Item 1.01, 3.02, 7.01, 9.01
CLIR insider trading FAQ
What is the latest insider trade for CLIR?
ClearSign Technologies Corp (CLIR) had 5 insider filings in the last 90 days, with the most recent on 2026-10-02. The full record for CLIR runs to 29 Form 4 filings, the earliest from 2024-10-03. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying CLIR stock?
1 insider purchase of CLIR was filed in the last 90 days, totaling $1.77M.
How many insiders are selling CLIR stock?
No insider sales of CLIR were filed in the last 90 days.
Where can I see CLIR SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects CLIR Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Lou Basenese view on EDGAR
- - Gil Todd Silva view on EDGAR
- - Larry Michael Saddler view on EDGAR
- - Anthony Digiandomenico view on EDGAR
- - John M. Pasquesi view on EDGAR
- - Lou Basenese view on EDGAR
- - Gil Todd Silva view on EDGAR
- - Anthony Digiandomenico view on EDGAR
- - Colin James Deller view on EDGAR
Related companies with recent insider activity
Learn more
- How to read insider buying signals
- What an open-market purchase by an insider can and cannot tell you.
- Insider activity in Information Technology
- Where CLIR's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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