ClearSign Technologies Corp
CLIR- Exchange
- Nasdaq
- Industry
- Industrial Instruments For Measurement, Display, and Control
- SEC CIK
- 0001434524
In the last 90 days, ClearSign Technologies Corp insiders filed 1 open-market purchase and 0 sales; 24 institutions reported holding it in 13F filings for Q2 2026, worth $1.71M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by ClearSign Technologies Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 1 filing
- 1 insider, $1.77M in total
- Open-market sells
- 0 filings
- Insiders trading
- 1
- Net value
- +$1.77M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for ClearSign Technologies Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Pasquesi John M | 10% Owner | 1,343,477Indirect | Jul 24, 2026 | 1 |
| Basenese Lou | Director | – | Jul 2, 2026 | 3 |
| Silva Gil Todd | Director | 6,000 | Jul 2, 2026 | 5 |
| Digiandomenico Anthony | Director | – | Jul 2, 2026 | 2 |
| Deller Colin James | Chief Executive Officer | 31,466 | Apr 27, 2026 | 1 |
| Hinds Brent | Chief Financial Officer | 170,824 | Mar 2, 2026 | 3 |
| Schrecker Judith S | Director | – | Jul 3, 2025 | 0 |
| de Lacy Catharine | Director | – | Jul 3, 2025 | 0 |
| Maley David M | Director | – | Jul 3, 2025 | 0 |
| clirSPV LLC | 10% Owner | 9,539,857Indirect | Jun 26, 2024 | 0 |
| HOFFMAN Robert Thurston Sr | 10% Owner | 9,539,857Indirect | Jun 26, 2024 | 0 |
| Princeton Opportunity Management LLC | 10% Owner | 9,539,857Indirect | Jun 26, 2024 | 0 |
| GPclirSPV LLC | 10% Owner | 9,539,857Indirect | Jun 26, 2024 | 0 |
| DiElsi Gary J. | Director | – | Oct 4, 2023 | 0 |
| Meline Susanne | Director | – | Jan 4, 2023 | 0 |
| Pate Bruce Alan | Director | 150,000Indirect | Jul 6, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 24, 2026 (view filing)4:46 PM ET | Jul 22 | 2 days | Pasquesi John M10% Owner | PPurchase | +500.0K | $3.54 | +$1.77M | +59.3%1.34M after | |
| Apr 27, 2026 (view filing) | Apr 23 | 4 days | Silva Gil ToddDirector | PPurchase | +2.00K | $5.29 | +$10.6K | +50.0%6.00K after | 2 lots |
| Mar 19, 2026 (view filing) | Mar 16-17 | 3 daysLate | Silva Gil ToddDirector | PPurchase | +4.00K | $4.28 | +$17.1K | New position4.00K after | 2 lots |
| Jun 26, 2024 (view filing)8:04 PM ET | Jun 24 | 2 days | clirSPV LLC and 3 others10% Owner | PPurchase | +3.35M | $0.91 | +$3.05M | +54.1%9.54M after | |
| Jun 26, 2024 (view filing)8:04 PM ET | Jun 24 | 2 days | clirSPV LLC and 3 others10% Owner | PPurchase | +8.38M | $0.1542 | +$1.29M | –1.34M after | Derivative2 lots |
| Jul 13, 2022 (view filing)7:45 AM ET | Jul 8 | 5 daysLate | HOFFMAN Robert Thurston Sr and 3 othersDirector, 10% Owner | PPurchaseCommon Stock (CLIR) | +1.59M | $1.11 | +$1.77M | New position110.5K after | 2 lots |
| Jul 13, 2022 (view filing)7:45 AM ET | Jul 8 | 5 daysLate | HOFFMAN Robert Thurston Sr and 3 othersDirector, 10% Owner | PPurchaseCommon Stock (CLIR) | 0 | – | $0 | 0.0%13.2K after | |
| Jun 16, 2022 (view filing) | Jun 14 | 2 days | Pate Bruce AlanDirector | PPurchase | +45.0K | $1.12 | +$50.4K | +42.9%150.0K after |