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CLIRClearSign Technologies Corp

Market cap
$14.57M
as of 2026-10-23
Latest close
$2.31
as of 2026-10-23
Sector
Industrials
as of 2026-10-24
Industry
Pollution & Treatment Controls
as of 2026-10-24

Cluster

No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).

Form 4 historysince 2023-10-04

Dashed line = amended filing (Form 4/A)

InsiderTradedFiledTypeSharesPriceValueOwned after10b5-1 planFiling
Digiandomenico AnthonySep 30Oct 2A · derivative3,766$3.55$13,3693,766NoForm 4
Basenese LouSep 30Oct 2A · derivative3,766$3.55$13,3693,766NoForm 4
Saddler Larry MichaelSep 30Oct 2A · derivative2,275$3.55$8,0762,275NoForm 4
Silva Gil ToddSep 30Oct 2A · derivative4,225$0.00$023,801NoForm 4
Silva Gil ToddSep 30Oct 2A · derivative3,766$3.55$13,3693,766NoForm 4
Pasquesi John MJul 22Jul 24P500,000$3.54Purchase +$1,770,0001,343,477NoForm 4
Digiandomenico AnthonyJun 30Jul 2A · derivative4,595$3.67$16,8644,595NoForm 4
Silva Gil ToddJun 30Jul 2A · derivative4,087$0.00$019,576NoForm 4
Silva Gil ToddJun 30Jul 2A · derivative4,595$3.67$16,8644,595NoForm 4
Basenese LouJun 30Jul 2A · derivative4,595$3.67$16,8644,595NoForm 4
Silva Gil ToddApr 23Apr 27P1,000$5.32Purchase +$5,3205,000NoForm 4
Silva Gil ToddApr 23Apr 27P1,000$5.25Purchase +$5,2506,000NoForm 4
Deller Colin JamesChief Executive OfficerFeb 26Apr 274/AA7,001$5.62$39,34634,967NoForm 4/A
Deller Colin JamesChief Executive OfficerFeb 26Apr 274/AF3,501$5.62$19,67631,466NoForm 4/A
Digiandomenico AnthonyMar 31Apr 2A · derivative3,024$4.36$13,1853,024NoForm 4
Silva Gil ToddMar 31Apr 2A · derivative3,440$0.00$0123,909NoForm 4
Silva Gil ToddMar 31Apr 2A · derivative3,024$4.36$13,1853,024NoForm 4
Basenese LouMar 31Apr 2A · derivative3,024$4.36$13,1853,024NoForm 4
Silva Gil ToddMar 17Mar 19P2,000$4.20Purchase +$8,4004,000NoForm 4
Silva Gil ToddMar 16Mar 19P2,000$4.36Purchase +$8,7202,000NoForm 4
Hinds BrentChief Financial OfficerFeb 26Mar 2A56,645$0.00$0191,585NoForm 4
Hinds BrentChief Financial OfficerFeb 26Mar 2F20,761$0.56$11,626170,824NoForm 4
Hinds BrentChief Financial OfficerFeb 26Mar 2A · derivative47,009$0.00$047,009NoForm 4
Hinds BrentChief Financial OfficerFeb 22Feb 24M7,547not reportednot reported137,705NoForm 4
Hinds BrentChief Financial OfficerFeb 22Feb 24F2,765$0.59$1,631134,940NoForm 4
Hinds BrentChief Financial OfficerFeb 22Feb 24M · derivative7,547$0.00$07,547NoForm 4
Hinds BrentChief Financial OfficerFeb 20Feb 24M9,315not reportednot reported133,571NoForm 4
Hinds BrentChief Financial OfficerFeb 20Feb 24F3,413$0.59$2,014130,158NoForm 4
Hinds BrentChief Financial OfficerFeb 20Feb 24M · derivative9,315$0.00$018,631NoForm 4
Hinds BrentChief Financial OfficerFeb 2Feb 4M10,127not reportednot reported127,967NoForm 4
Hinds BrentChief Financial OfficerFeb 2Feb 4F3,711$0.60$2,227124,256NoForm 4
Hinds BrentChief Financial OfficerFeb 2Feb 4M · derivative10,127$0.00$010,127NoForm 4
Silva Gil ToddOct 1, 2025Oct 3, 2025A · derivative26,830$0.00$0120,469NoForm 4
Basenese LouOct 1, 2025Oct 3, 2025A · derivative24,621$0.00$070,266NoForm 4
Basenese LouJul 1, 2025Jul 3, 2025A · derivative34,722$0.00$045,645NoForm 4
Schrecker Judith SJul 1, 2025Jul 3, 2025A · derivative46,296$0.00$0431,957NoForm 4
de Lacy CatharineJul 1, 2025Jul 3, 2025A · derivative32,175$0.00$0218,957NoForm 4
Silva Gil ToddJul 1, 2025Jul 3, 2025A · derivative32,638$0.00$093,639NoForm 4
Maley David MJul 1, 2025Jul 3, 2025A · derivative9,452$0.00$0105,443NoForm 4
Basenese LouMay 22, 2025May 27, 2025A · derivative10,923$0.00$010,923NoForm 4
Maley David MApr 1, 2025Apr 3, 2025A · derivative23,728$0.00$095,991NoForm 4
Silva Gil ToddApr 1, 2025Apr 3, 2025A · derivative19,369$0.00$061,001NoForm 4
Schrecker Judith SApr 1, 2025Apr 3, 2025A · derivative33,735$0.00$0385,661NoForm 4
de Lacy CatharineApr 1, 2025Apr 3, 2025A · derivative24,857$0.00$0186,782NoForm 4
Hinds BrentChief Financial OfficerFeb 24, 2025Feb 25, 2025M7,547not reportednot reported120,476NoForm 4
Hinds BrentChief Financial OfficerFeb 24, 2025Feb 25, 2025F2,636$0.80$2,109117,840NoForm 4
Hinds BrentChief Financial OfficerFeb 24, 2025Feb 25, 2025M · derivative7,547$0.00$015,094NoForm 4
Deller Colin JamesChief Executive OfficerFeb 20, 2025Feb 24, 2025A100,393$0.00$0221,699NoForm 4
Deller Colin JamesChief Executive OfficerFeb 20, 2025Feb 24, 2025F49,846$0.86$42,868171,853NoForm 4
Hinds BrentChief Financial OfficerFeb 20, 2025Feb 24, 2025A51,176$0.00$0131,686NoForm 4
Hinds BrentChief Financial OfficerFeb 20, 2025Feb 24, 2025F18,757$0.86$16,131112,929NoForm 4
Hinds BrentChief Financial OfficerFeb 20, 2025Feb 24, 2025A · derivative27,946$0.00$027,946NoForm 4
Hinds BrentChief Financial OfficerFeb 2, 2025Feb 21, 2025M10,127not reportednot reported84,222NoForm 4
Hinds BrentChief Financial OfficerFeb 2, 2025Feb 21, 2025F3,712$1.20$4,45480,510NoForm 4
Hinds BrentChief Financial OfficerFeb 2, 2025Feb 21, 2025M · derivative10,127$0.00$010,127NoForm 4
Hinds BrentChief Financial OfficerMay 20, 2024Feb 21, 2025M2,627not reportednot reported75,058NoForm 4
Hinds BrentChief Financial OfficerMay 20, 2024Feb 21, 2025F963$0.78$75174,095NoForm 4
Hinds BrentChief Financial OfficerMay 20, 2024Feb 21, 2025M · derivative2,627$0.00$0not reportedNoForm 4
Maley David MJan 2, 2025Jan 6, 2025A · derivative13,219$0.00$072,263NoForm 4
Schrecker Judith SJan 2, 2025Jan 6, 2025A · derivative18,794$0.00$0351,926NoForm 4
Silva Gil ToddJan 2, 2025Jan 6, 2025A · derivative10,791$0.00$041,632NoForm 4
de Lacy CatharineJan 2, 2025Jan 6, 2025A · derivative13,848$0.00$0161,925NoForm 4
de Lacy CatharineOct 1, 2024Oct 3, 2024A · derivative23,712$0.00$0148,077NoForm 4
Maley David MOct 1, 2024Oct 3, 2024A · derivative22,634$0.00$059,044NoForm 4
Schrecker Judith SOct 1, 2024Oct 3, 2024A · derivative32,181$0.00$0333,132NoForm 4
Silva Gil ToddOct 1, 2024Oct 3, 2024A · derivative18,477$0.00$030,841NoForm 4
Silva Gil ToddAug 1, 2024Aug 5, 2024A · derivative12,364$0.00$012,364NoForm 4
Maley David MJul 1, 2024Jul 3, 2024A · derivative22,001$0.00$036,410NoForm 4
Schrecker Judith SJul 1, 2024Jul 3, 2024A · derivative29,684$0.00$0300,951NoForm 4
de Lacy CatharineJul 1, 2024Jul 3, 2024A · derivative21,872$0.00$0124,365NoForm 4
Princeton Opportunity Management LLCJun 24, 2024Jun 26, 2024P3,350,000$0.91Purchase +$3,048,5009,539,857NoForm 4
Princeton Opportunity Management LLCJun 24, 2024Jun 26, 2024P · derivative7,039,500$0.01Purchase +$70,3957,039,500NoForm 4
Princeton Opportunity Management LLCJun 24, 2024Jun 26, 2024P · derivative1,343,000$0.91Purchase +$1,222,1301,343,000NoForm 4
Maley David MApr 23, 2024Apr 25, 2024A · derivative14,409$0.00$014,409NoForm 4
Hinds BrentChief Financial OfficerFeb 22, 2024Apr 10, 20244/AA · derivative22,641$0.00$022,641NoForm 4/A
de Lacy CatharineApr 1, 2024Apr 2, 2024A · derivative19,642$0.00$0102,493NoForm 4
HOFFMAN Robert Thurston SrApr 1, 2024Apr 2, 2024A · derivative20,408$0.00$0224,311NoForm 4
Schrecker Judith SApr 1, 2024Apr 2, 2024A · derivative26,658$0.00$0271,267NoForm 4
Deller Colin JamesChief Executive OfficerFeb 22, 2024Feb 26, 2024A131,121$0.00$0186,408NoForm 4
Deller Colin JamesChief Executive OfficerFeb 22, 2024Feb 26, 2024F65,102$1.06$69,008121,306NoForm 4
Deller Colin JamesChief Executive OfficerFeb 2, 2023Feb 26, 20244/AF54,519$0.79$43,07055,287NoForm 4/A
Hinds BrentChief Financial OfficerFeb 2, 2023Feb 26, 20244/AF21,673$0.79$17,12237,462NoForm 4/A
clirSPV LLCFeb 1, 2024Feb 2, 2024J1,269,705$0.00$06,189,857NoForm 4
de Lacy CatharineJan 2, 2024Jan 3, 2024A · derivative17,990$0.00$082,851NoForm 4
HOFFMAN Robert Thurston SrJan 2, 2024Jan 3, 2024A · derivative18,691$0.00$0203,903NoForm 4
Schrecker Judith SJan 2, 2024Jan 3, 2024A · derivative24,415$0.00$0244,609NoForm 4
DiElsi Gary J.Oct 2, 2023Oct 4, 2023A · derivative18,571$0.00$0115,993NoForm 4
HOFFMAN Robert Thurston SrOct 2, 2023Oct 4, 2023A · derivative19,047$0.00$0185,212NoForm 4
Schrecker Judith SOct 2, 2023Oct 4, 2023A · derivative23,809$0.00$0220,194NoForm 4
de Lacy CatharineOct 2, 2023Oct 4, 2023A · derivative18,333$0.00$064,861NoForm 4