| $1B | ||
| $100M | ||
| $54M | ||
| $40M | ||
| $32M | ||
| $31M |
Buys | $1,797,679 | 4 | 100 |
Sells | $0 | 0 | 0 |
| PASQUESI JOHN M | 10 percent owner | 1 | $1.77M | 0 | $0 | $1.77M |
| Silva Gil Todd | director | 3 | $27,679 | 0 | $0 | $27,679 |
ClearSign Technologies Corporation, founded in 2008 and headquartered in Tulsa, Oklahoma, is a company focused on inventing and refining products and technological solutions. Operating in both the United States and the People's Republic of China, its mission is to optimize the operational effectiveness, energy consumption, and safety of industrial and commercial systems, while simultaneously decreasing harmful emissions and overall expenses. The company's key product lines include the ClearSign Core Burner Technology, an advanced system …
Over the last 12 months, insiders at ClearSign Technologies Corporation have bought $1.8M and sold $0 worth of ClearSign Technologies Corporation stock.
On average, over the past 5 years, insiders at ClearSign Technologies Corporation have bought $1.63M and sold $0 worth of stock each year.
Highest buying activity among insiders over the last 12 months: PASQUESI JOHN M (10 percent owner) — $1.77M. Silva Gil Todd (director) — $27,679.
The last purchase of 500,000 shares for transaction amount of $1.77M was made by PASQUESI JOHN M (10 percent owner) on 2026‑07‑22.
| 2026-07-22 | PASQUESI JOHN M | 10 percent owner | 500,000 8.6345% | $3.54 | $1.77M | +16.62% | ||
| 2026-04-23 | Silva Gil Todd | director | 2,000 0.0379% | $5.28 | $10,569 | -23.06% | ||
| 2026-03-17 | Silva Gil Todd | director | 2,000 0.0388% | $4.20 | $8,400 | -0.12% | ||
| 2026-03-16 | Silva Gil Todd | director | 2,000 0.0373% | $4.36 | $8,710 | -7.34% | ||
| 2024-06-24 | HOFFMAN Robert Thurston Sr | 10 percent owner | 3.35M 10.1018% | $0.91 | $3.05M | +26.70% | ||
| 2022-07-08 | Princeton Opportunity Management LLC | 0 – | $0 | $0 | -27.97% | |||
| 2022-06-14 | Pate Bruce Alan | 45,000 0.1342% | $1.12 | $50,400 | -24.11% | |||
| 2020-08-24 | Pate Bruce Alan | director | 35,000 0.1133% | $2.00 | $70,000 | +79.28% | ||
| 2020-08-24 | Meline Susanne | director | 5,000 0.0162% | $2.00 | $10,000 | +79.28% | ||
| 2019-05-17 | Pate Bruce Alan | director | 100,000 0.3646% | $1.01 | $101,240 | -5.77% | ||
| 2019-03-19 | Kendrick Donald W | Chief Technology Officer | 10,000 0.0393% | $0.94 | $9,400 | +5.32% | ||
| 2018-12-18 | Kendrick Donald W | Chief Technology Officer | 20,000 0.0794% | $1.14 | $22,800 | -5.31% | ||
| 2018-02-27 | BELL LON E | director | 222,000 1.2126% | $2.25 | $499,500 | -22.75% | ||
| 2018-02-27 | PIRNAT STEPHEN E | Chief Executive Officer | 20,000 0.1092% | $2.25 | $45,000 | -22.75% | ||
| 2018-02-27 | Meline Susanne | director | 44,444 0.2428% | $2.25 | $99,999 | -22.75% | ||
| 2018-02-27 | Fike Brian Grant | Interim CFO | 2,000 0.0109% | $2.25 | $4,500 | -22.75% | ||
| 2017-12-04 | Kendrick Donald W | Chief Technology Officer | 10,000 0.0578% | $2.13 | $21,250 | -3.85% | ||
| 2017-08-22 | Kendrick Donald W | Chief Technology Officer | 10,000 0.0639% | $2.89 | $28,907 | -20.69% | ||
| 2017-08-21 | PIRNAT STEPHEN E | Chief Executive Officer | 2,000 0.013% | $2.94 | $5,890 | -20.69% | ||
| 2017-08-18 | Ruiz Roberto | Chief Operating Officer | 2,000 0.0132% | $3.19 | $6,380 | -25.81% |
| PASQUESI JOHN M | 10 percent owner | 1343477 19.7354% | $3.26M | 1 | 0 | |
| Silva Gil Todd | director | 6000 0.0881% | $14,580.00 | 3 | 0 | |
| HOFFMAN Robert Thurston Sr | 10 percent owner | 9539857 140.1384% | $23.18M | 1 | 0 | +26.7% |
| BELL LON E | director | 354472 5.2071% | $861,366.96 | 3 | 0 | <0.0001% |
| RUTKOWSKI RICHARD F | Chief Executive Officer | 171250 2.5156% | $416,137.50 | 1 | 0 | <0.0001% |
| Pate Bruce Alan | 150000 2.2035% | $364,500.00 | 3 | 0 | +16.47% | |
| PIRNAT STEPHEN E | Chief Executive Officer | 113947 1.6739% | $276,891.21 | 4 | 0 | <0.0001% |
| Princeton Opportunity Management LLC | 110519 1.6235% | $268,561.17 | 1 | 0 | ||
| Meline Susanne | director | 54249 0.7969% | $131,825.07 | 2 | 0 | +28.27% |
| Kendrick Donald W | Chief Technology Officer | 44233 0.6498% | $107,486.19 | 4 | 0 | <0.0001% |
| COLANNINO JOSEPH | Chief Technology Officer | 25775 0.3786% | $62,633.25 | 4 | 0 | +34.46% |
| HARMON JAMES N | Chief Financial Officer | 16000 0.235% | $38,880.00 | 4 | 0 | +18.64% |
| LEE ANDREW U | See Remarks | 5800 0.0852% | $14,094.00 | 4 | 0 | +21.58% |
| Ruiz Roberto | Chief Operating Officer | 5560 0.0817% | $13,510.80 | 3 | 0 | <0.0001% |
| Fike Brian Grant | Interim CFO | 1000 0.0147% | $2,430.00 | 1 | 0 | <0.0001% |
| Increased Positions | 14 | +33.33% | 339,062 | +8.05% |
| Decreased Positions | 13 | -30.95% | 89,229 | -2.12% |
| New Positions | 5 | New | 76,357 | New |
| Sold Out Positions | 5 | Sold Out | 59,657 | Sold Out |
| Total Postitions | 43 | +2.38% | 4M | +5.93% |
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