ClearSign Technologies Corporation designs and develops products and technologies to enhance operational performance, energy efficiency, emission reduction, safety, and overall cost-effectiveness of industrial and commercial systems in the United States and the People's Republic of China. Its ClearSign Core Burner Technology consists of an industrial burner body and a downstream porous ceramic structure or metal flame stabilizing device; ClearSign Core Plug & Play technology provides direct burner replacement for traditional refinery process …
Over the last 12 months, insiders at ClearSign Technologies Corporation have bought $3.05M and sold $0 worth of ClearSign Technologies Corporation stock.
On average, over the past 5 years, insiders at ClearSign Technologies Corporation have bought $1.06M and sold $0 worth of stock each year.
Highest buying activity among insiders over the last 12 months: HOFFMAN Robert Thurston Sr (10 percent owner) — $3.05M.
The last purchase of 3,350,000 shares for transaction amount of $3.05M was made by HOFFMAN Robert Thurston Sr (10 percent owner) on 2024‑06‑24.
2024-06-24 | HOFFMAN Robert Thurston Sr | 10 percent owner | 3.35M 10.1018% | $0.91 | $3.05M | +15.07% | ||
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% | ||
2017-08-17 | LEE ANDREW U | See Remarks | 2,000 0.0126% | $3.19 | $6,390 | -29.23% | ||
2016-03-29 | HARMON JAMES N | Chief Financial Officer | 20,000 0.1578% | $3.96 | $79,200 | +10.00% | ||
2016-03-10 | COLANNINO JOSEPH | Chief Technology Officer | 16,400 0.1271% | $3.49 | $57,236 | +22.71% | ||
2016-03-09 | COLANNINO JOSEPH | Chief Technology Officer | 4,200 0.0323% | $3.36 | $14,112 | +26.32% |
HOFFMAN Robert Thurston Sr | 10 percent owner | 9539857 19.0015% | $0.69 | 1 | 0 | |
BELL LON E | director | 354472 0.706% | $0.69 | 3 | 0 | <0.0001% |
RUTKOWSKI RICHARD F | Chief Executive Officer | 171250 0.3411% | $0.69 | 1 | 0 | <0.0001% |
Pate Bruce Alan | 150000 0.2988% | $0.69 | 3 | 0 | +16.47% | |
PIRNAT STEPHEN E | Chief Executive Officer | 113947 0.227% | $0.69 | 4 | 0 | <0.0001% |