Arkolith/Insider Trading/CLIR

CLIR Insider Trading

ClearSign Technologies Corp · full profile →Last filing Mar 17, 2026
Net Buying · 180d
Open-Market Buys (180d)
$17K
1 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$17K
open market, 180d
Reporting Insiders
1
2 P/S transactions
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Build on these Form 4 transactions

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Recent Form 4 Transactions

81 shown
DateInsiderRoleActionSharesPriceValue
Mar 17, 2026Silva Gil ToddDirectorBuy(P)2K$4.20$8K
Mar 16, 2026Silva Gil ToddDirectorBuy(P)2K$4.36$9K
Feb 26, 2026Hinds BrentChief Financial OfficerGrant(A)57K—$0
Feb 26, 2026Hinds BrentChief Financial OfficerTax withholding(F)21K$0.56$12K
Feb 26, 2026Hinds BrentChief Financial OfficerGrant(A)47K—$0
Feb 26, 2026Deller Colin JamesChief Executive OfficerTax withholding(F)105K$0.56$59K
Feb 26, 2026Deller Colin JamesChief Executive OfficerGrant(A)210K—$0
Feb 22, 2026Hinds BrentChief Financial OfficerTax withholding(F)3K$0.59$2K
Feb 22, 2026Hinds BrentChief Financial OfficerOption exercise(M)8K——
Feb 22, 2026Hinds BrentChief Financial OfficerOption exercise(M)8K—$0
Feb 20, 2026Hinds BrentChief Financial OfficerOption exercise(M)9K——
Feb 20, 2026Hinds BrentChief Financial OfficerTax withholding(F)3K$0.59$2K
Feb 20, 2026Hinds BrentChief Financial OfficerOption exercise(M)9K—$0
Feb 2, 2026Hinds BrentChief Financial OfficerOption exercise(M)10K——
Feb 2, 2026Hinds BrentChief Financial OfficerTax withholding(F)4K$0.60$2K
Feb 2, 2026Hinds BrentChief Financial OfficerOption exercise(M)10K—$0
Oct 1, 2025Silva Gil ToddDirectorGrant(A)27K—$0
Oct 1, 2025Basenese LouDirectorGrant(A)25K—$0
Jul 1, 2025Basenese LouDirectorGrant(A)35K—$0
Jul 1, 2025Schrecker Judith SDirectorGrant(A)46K—$0
Jul 1, 2025de Lacy CatharineDirectorGrant(A)32K—$0
Jul 1, 2025Silva Gil ToddDirectorGrant(A)33K—$0
Jul 1, 2025Maley David MDirectorGrant(A)9K—$0
May 22, 2025Basenese LouDirectorGrant(A)11K—$0
Apr 1, 2025Maley David MDirectorGrant(A)24K—$0
Apr 1, 2025Silva Gil ToddDirectorGrant(A)19K—$0
Apr 1, 2025Schrecker Judith SDirectorGrant(A)34K—$0
Apr 1, 2025de Lacy CatharineDirectorGrant(A)25K—$0
Feb 24, 2025Hinds BrentChief Financial OfficerOption exercise(M)8K——
Feb 24, 2025Hinds BrentChief Financial OfficerTax withholding(F)3K$0.80$2K
Feb 24, 2025Hinds BrentChief Financial OfficerOption exercise(M)8K—$0
Feb 20, 2025Deller Colin JamesChief Executive OfficerTax withholding(F)50K$0.86$43K
Feb 20, 2025Deller Colin JamesChief Executive OfficerGrant(A)100K—$0
Feb 20, 2025Hinds BrentChief Financial OfficerTax withholding(F)19K$0.86$16K
Feb 20, 2025Hinds BrentChief Financial OfficerGrant(A)51K—$0
Feb 20, 2025Hinds BrentChief Financial OfficerGrant(A)28K—$0
Feb 2, 2025Hinds BrentChief Financial OfficerOption exercise(M)10K——
Feb 2, 2025Hinds BrentChief Financial OfficerTax withholding(F)4K$1.20$4K
Feb 2, 2025Hinds BrentChief Financial OfficerOption exercise(M)10K—$0
Jan 2, 2025Maley David MDirectorGrant(A)13K—$0
Jan 2, 2025Schrecker Judith SDirectorGrant(A)19K—$0
Jan 2, 2025Silva Gil ToddDirectorGrant(A)11K—$0
Jan 2, 2025de Lacy CatharineDirectorGrant(A)14K—$0
Oct 1, 2024de Lacy CatharineDirectorGrant(A)24K—$0
Oct 1, 2024Maley David MDirectorGrant(A)23K—$0
Oct 1, 2024Schrecker Judith SDirectorGrant(A)32K—$0
Oct 1, 2024Silva Gil ToddDirectorGrant(A)18K—$0
Aug 1, 2024Silva Gil ToddDirectorGrant(A)12K—$0
Jul 1, 2024Maley David MDirectorGrant(A)22K—$0
Jul 1, 2024Schrecker Judith SDirectorGrant(A)30K—$0
Jul 1, 2024de Lacy CatharineDirectorGrant(A)22K—$0
Jun 24, 2024Princeton Opportunity Management LLC10% OwnerBuy(P)3.4M$0.91$3.0M
Jun 24, 2024Princeton Opportunity Management LLC10% OwnerBuy(P)1.3M$0.91$1.2M
Jun 24, 2024Princeton Opportunity Management LLC10% OwnerBuy(P)7.0M$0.01$70K
May 20, 2024Hinds BrentChief Financial OfficerOption exercise(M)3K——
May 20, 2024Hinds BrentChief Financial OfficerTax withholding(F)963$0.78$751
May 20, 2024Hinds BrentChief Financial OfficerOption exercise(M)3K—$0
Apr 23, 2024Maley David MDirectorGrant(A)14K—$0
Apr 1, 2024de Lacy CatharineDirectorGrant(A)20K—$0
Apr 1, 2024HOFFMAN Robert Thurston SrDirectorGrant(A)20K—$0
Apr 1, 2024Schrecker Judith SDirectorGrant(A)27K—$0
Feb 22, 2024Hinds BrentChief Financial OfficerGrant(A)23K—$0
Feb 22, 2024Deller Colin JamesChief Executive OfficerGrant(A)131K—$0
Feb 22, 2024Deller Colin JamesChief Executive OfficerTax withholding(F)65K$1.06$69K
Feb 2, 2024Hinds BrentChief Financial OfficerOption exercise(M)10K——
Feb 2, 2024Hinds BrentChief Financial OfficerTax withholding(F)4K$1.01$4K
Feb 2, 2024Hinds BrentChief Financial OfficerOption exercise(M)10K—$0
Feb 1, 2024clirSPV LLC10% OwnerOther(J)1.3M—$0
Jan 2, 2024de Lacy CatharineDirectorGrant(A)18K—$0
Jan 2, 2024HOFFMAN Robert Thurston SrDirectorGrant(A)19K—$0
Jan 2, 2024Schrecker Judith SDirectorGrant(A)24K—$0
Oct 2, 2023DiElsi Gary J.DirectorGrant(A)19K—$0
Oct 2, 2023HOFFMAN Robert Thurston SrDirectorGrant(A)19K—$0
Oct 2, 2023Schrecker Judith SDirectorGrant(A)24K—$0
Oct 2, 2023de Lacy CatharineDirectorGrant(A)18K—$0
Jul 3, 2023de Lacy CatharineDirectorGrant(A)14K—$0
Jul 3, 2023Schrecker Judith SDirectorGrant(A)19K—$0
Jul 3, 2023HOFFMAN Robert Thurston SrDirectorGrant(A)15K—$0
Jul 3, 2023DiElsi Gary J.DirectorGrant(A)13K—$0
Feb 2, 2023Deller Colin JamesChief Executive OfficerTax withholding(F)55K$0.79$43K
Feb 2, 2023Hinds BrentChief Financial OfficerTax withholding(F)22K$0.79$17K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).