ClearSign Technologies Corporation (CLIR)
Largest Insider Buys in Sector
CLIR Stock Price History Chart
CLIR Stock Performance
About ClearSign Technologies Corporation
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 …
Insider Activity of ClearSign Technologies Corporation
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.
List of Insider Buy and Sell Transactions, ClearSign Technologies Corporation
| 2024-06-24 | 10 percent owner | 3.35M 10.1018% | $0.91 | $3.05M | +29.73% | |||
| 2022-07-08 | 0 – | $0 | $0 | -27.97% | ||||
| 2022-06-14 | 45,000 0.1342% | $1.12 | $50,400 | -24.11% | ||||
| 2020-08-24 | director | 35,000 0.1133% | $2.00 | $70,000 | +79.28% | |||
| 2020-08-24 | director | 5,000 0.0162% | $2.00 | $10,000 | +79.28% | |||
| 2019-05-17 | director | 100,000 0.3646% | $1.01 | $101,240 | -5.77% | |||
| 2019-03-19 | Chief Technology Officer | 10,000 0.0393% | $0.94 | $9,400 | +5.32% | |||
| 2018-12-18 | Chief Technology Officer | 20,000 0.0794% | $1.14 | $22,800 | -5.31% | |||
| 2018-02-27 | director | 222,000 1.2126% | $2.25 | $499,500 | -22.75% | |||
| 2018-02-27 | Chief Executive Officer | 20,000 0.1092% | $2.25 | $45,000 | -22.75% | |||
| 2018-02-27 | director | 44,444 0.2428% | $2.25 | $99,999 | -22.75% | |||
| 2018-02-27 | Interim CFO | 2,000 0.0109% | $2.25 | $4,500 | -22.75% | |||
| 2017-12-04 | Chief Technology Officer | 10,000 0.0578% | $2.13 | $21,250 | -3.85% | |||
| 2017-08-22 | Chief Technology Officer | 10,000 0.0639% | $2.89 | $28,907 | -20.69% | |||
| 2017-08-21 | Chief Executive Officer | 2,000 0.013% | $2.94 | $5,890 | -20.69% | |||
| 2017-08-18 | Chief Operating Officer | 2,000 0.0132% | $3.19 | $6,380 | -25.81% | |||
| 2017-08-17 | See Remarks | 2,000 0.0126% | $3.19 | $6,390 | -29.23% | |||
| 2016-03-29 | Chief Financial Officer | 20,000 0.1578% | $3.96 | $79,200 | +10.00% | |||
| 2016-03-10 | Chief Technology Officer | 16,400 0.1271% | $3.49 | $57,236 | +22.71% | |||
| 2016-03-09 | Chief Technology Officer | 4,200 0.0323% | $3.36 | $14,112 | +26.32% |
Insider Historical Profitability
| HOFFMAN Robert Thurston Sr | 10 percent owner | 9539857 18.9907% | $1.11 | 1 | 0 | |
| BELL LON E | director | 354472 0.7056% | $1.11 | 3 | 0 | <0.0001% |
| RUTKOWSKI RICHARD F | Chief Executive Officer | 171250 0.3409% | $1.11 | 1 | 0 | <0.0001% |
| Pate Bruce Alan | 150000 0.2986% | $1.11 | 3 | 0 | +16.47% | |
| PIRNAT STEPHEN E | Chief Executive Officer | 113947 0.2268% | $1.11 | 4 | 0 | <0.0001% |