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ClearSign Combustion Corporation (CLIR) Insider Trading

Total insider buys:
  • $6,120,852.84
Total insider sells:
  • $1,779,525.69
Most recent insider trade:
  • March 16, 2026
Most active insider trader:
  • Bd & Dbg Living Trust
Trader NameDateTitleAmountPriceTypeTotal Value
March 16, 2026Director2,000$4.36Buy$8,720.00
June 24, 2024Major Shareholder3,350,000$0.91Buy$3,048,500.00
July 8, 2022N/A1,591,594$1.11Buy$1,766,669.34
June 14, 2022Director45,000$1.12Buy$50,400.00
Aug. 24, 2020Director5,000$2.00Buy$10,000.00
May 17, 2019Director100,000$1.01Buy$101,000.00
March 19, 2019Insider10,000$0.94Buy$9,400.00
Dec. 18, 2018CTO10,000$1.14Buy$11,400.00
Feb. 27, 2018CFO1,000$2.25Buy$2,250.00
Feb. 27, 2018Director111,000$2.25Buy$249,750.00
Feb. 27, 2018CEO10,000$2.25Buy$22,500.00
Dec. 4, 2017Insider5,000$2.13Buy$10,650.00
Aug. 22, 2017Insider5,000$2.89Buy$14,450.00
Aug. 21, 2017CEO1,000$2.95Buy$2,950.00
Aug. 18, 2017COO1,000$3.19Buy$3,190.00
March 29, 2016CFO10,000$3.96Buy$39,600.00
March 10, 2016CTO10,300$3.46Buy$35,638.00
Dec. 17, 2015Director21,719$4.57Sell$99,255.83
Dec. 11, 2015Director3,281$4.90Sell$16,076.90
Dec. 4, 2015Director25,482$5.03Sell$128,174.46
Dec. 1, 2015Director10,000$5.01Sell$50,100.00
Dec. 1, 2015CEO20,000$5.08Buy$101,600.00
Nov. 30, 2015Director10,000$5.00Sell$50,000.00
Sept. 23, 2015Director8,400$7.36Sell$61,824.00
Sept. 22, 2015Director1,600$7.35Sell$11,760.00
Sept. 18, 2015Director10,000$6.18Sell$61,800.00
March 25, 2015Insider3,000$4.96Buy$14,880.00
March 18, 2015SVP8,100$5.86Buy$47,466.00
Feb. 10, 2015Director85,470$5.85Buy$499,999.50
Feb. 5, 2015CMO50,000$5.85Sell$292,500.00
Dec. 30, 2014Insider5,400$7.10Buy$38,340.00
Dec. 5, 2014Major Shareholder16,800$8.03Sell$134,904.00
Dec. 1, 2014Major Shareholder2,200$8.00Sell$17,600.00
Nov. 26, 2014Major Shareholder2,264$8.00Sell$18,112.00
Sept. 24, 2014CEO5,000$5.36Buy$26,800.00
Aug. 26, 2014CMO18,800$8.35Sell$156,980.00
Aug. 20, 2014Major Shareholder16,500$8.39Sell$138,435.00
Aug. 19, 2014Major Shareholder12,700$8.23Sell$104,521.00
July 1, 2014Major Shareholder16,666$8.98Sell$149,660.68
June 2, 2014Major Shareholder16,666$8.34Sell$138,994.44
May 28, 2014Major Shareholder16,666$8.93Sell$148,827.38
Dec. 5, 2012SVP1,000$4.70Buy$4,700.00
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  • Insiders are both buying and selling ClearSign Combustion Corporation stock.

  • The insider traders at ClearSign Combustion Corporation are: Bd & Dbg Living Trust, Donald W Kendrick, Andrew U Lee, Bruce Alan Pate, Geoffrey D Osler, James N Harmon, Lon E Bell, Roberto Ruiz, Stephen E Pirnat, Joseph Colannino, Susanne Meline, Richard F Rutkowski, Brian Grant Fike, Stephen E. Pirnat, Gil Todd Silva, HOFFMAN Robert Thurston Sr, and Robert Thurston Sr Hoffman Sr

  • The most active insider trader at ClearSign Combustion Corporation is Bd & Dbg Living Trust with 16 trades.

  • Bd & Dbg Living Trust has sold the most ClearSign Combustion Corporation stock with a total value of $1,429,301.52.

  • Robert Thurston Sr Hoffman Sr has bought the most ClearSign Combustion Corporation stock with a total value of $6,097,000.00.

  • The most recent insider trade for ClearSign Combustion Corporation was on March 16, 2026.

  • The single biggest insider buy for ClearSign Combustion Corporation was from Robert Thurston Sr Hoffman Sr with a total value of $3,048,500.00 on June 24, 2024.

  • The single biggest insider sell for ClearSign Combustion Corporation was from Geoffrey D Osler with a total value of $292,500.00 on Feb. 5, 2015.