The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 22, 2026 | Pasquesi John M | 10% Owner | Buy(P) | 500K | $3.54 | $1.8M |
| Jun 30, 2026 | Basenese Lou | Director | Grant(A) | 5K | — | $0 |
| Jun 30, 2026 | Silva Gil Todd | Director | Grant(A) | 4K | — | $0 |
| Jun 30, 2026 | Silva Gil Todd | Director | Grant(A) | 5K | — | $0 |
| Jun 30, 2026 | Digiandomenico Anthony | Director | Grant(A) | 5K | — | $0 |
| Apr 23, 2026 | Silva Gil Todd | Director | Buy(P) | 1K | $5.32 | $5K |
| Apr 23, 2026 | Silva Gil Todd | Director | Buy(P) | 1K | $5.25 | $5K |
| Mar 31, 2026 | Silva Gil Todd | Director | Grant(A) | 3K | — | $0 |
| Mar 31, 2026 | Silva Gil Todd | Director | Grant(A) | 3K | — | $0 |
| Mar 31, 2026 | Basenese Lou | Director | Grant(A) | 3K | — | $0 |
| Mar 31, 2026 | Digiandomenico Anthony | Director | Grant(A) | 3K | — | $0 |
| Mar 17, 2026 | Silva Gil Todd | Director | Buy(P) | 2K | $4.20 | $8K |
| Mar 16, 2026 | Silva Gil Todd | Director | Buy(P) | 2K | $4.36 | $9K |
| Feb 26, 2026 | Hinds Brent | Chief Financial Officer | Grant(A) | 57K | — | $0 |
| Feb 26, 2026 | Hinds Brent | Chief Financial Officer | Tax withholding(F) | 21K | $0.56 | $12K |
| Feb 26, 2026 | Hinds Brent | Chief Financial Officer | Grant(A) | 47K | — | $0 |
| Feb 26, 2026 | Deller Colin James | Chief Executive Officer, Director | Grant(A) | 7K | $5.62 | $39K |
| Feb 26, 2026 | Deller Colin James | Chief Executive Officer, Director | Tax withholding(F) | 4K | $5.62 | $20K |
| Feb 22, 2026 | Hinds Brent | Chief Financial Officer | Tax withholding(F) | 3K | $0.59 | $2K |
| Feb 22, 2026 | Hinds Brent | Chief Financial Officer | Option exercise(M) | 8K | — | — |
| Feb 22, 2026 | Hinds Brent | Chief Financial Officer | Option exercise(M) | 8K | — | $0 |
| Feb 20, 2026 | Hinds Brent | Chief Financial Officer | Option exercise(M) | 9K | — | — |
| Feb 20, 2026 | Hinds Brent | Chief Financial Officer | Tax withholding(F) | 3K | $0.59 | $2K |
| Feb 20, 2026 | Hinds Brent | Chief Financial Officer | Option exercise(M) | 9K | — | $0 |
| Feb 2, 2026 | Hinds Brent | Chief Financial Officer | Option exercise(M) | 10K | — | — |
| Feb 2, 2026 | Hinds Brent | Chief Financial Officer | Tax withholding(F) | 4K | $0.60 | $2K |
| Feb 2, 2026 | Hinds Brent | Chief Financial Officer | Option exercise(M) | 10K | — | $0 |
| Oct 1, 2025 | Silva Gil Todd | Director | Grant(A) | 27K | — | $0 |
| Oct 1, 2025 | Basenese Lou | Director | Grant(A) | 25K | — | $0 |
| Jul 1, 2025 | Basenese Lou | Director | Grant(A) | 35K | — | $0 |
| Jul 1, 2025 | Schrecker Judith S | Director | Grant(A) | 46K | — | $0 |
| Jul 1, 2025 | de Lacy Catharine | Director | Grant(A) | 32K | — | $0 |
| Jul 1, 2025 | Silva Gil Todd | Director | Grant(A) | 33K | — | $0 |
| Jul 1, 2025 | Maley David M | Director | Grant(A) | 9K | — | $0 |
| May 22, 2025 | Basenese Lou | Director | Grant(A) | 11K | — | $0 |
| Apr 1, 2025 | Maley David M | Director | Grant(A) | 24K | — | $0 |
| Apr 1, 2025 | Silva Gil Todd | Director | Grant(A) | 19K | — | $0 |
| Apr 1, 2025 | Schrecker Judith S | Director | Grant(A) | 34K | — | $0 |
| Apr 1, 2025 | de Lacy Catharine | Director | Grant(A) | 25K | — | $0 |
| Feb 24, 2025 | Hinds Brent | Chief Financial Officer | Option exercise(M) | 8K | — | — |
| Feb 24, 2025 | Hinds Brent | Chief Financial Officer | Tax withholding(F) | 3K | $0.80 | $2K |
| Feb 24, 2025 | Hinds Brent | Chief Financial Officer | Option exercise(M) | 8K | — | $0 |
| Feb 20, 2025 | Deller Colin James | Chief Executive Officer | Tax withholding(F) | 50K | $0.86 | $43K |
| Feb 20, 2025 | Deller Colin James | Chief Executive Officer | Grant(A) | 100K | — | $0 |
| Feb 20, 2025 | Hinds Brent | Chief Financial Officer | Tax withholding(F) | 19K | $0.86 | $16K |
| Feb 20, 2025 | Hinds Brent | Chief Financial Officer | Grant(A) | 51K | — | $0 |
| Feb 20, 2025 | Hinds Brent | Chief Financial Officer | Grant(A) | 28K | — | $0 |
| Feb 2, 2025 | Hinds Brent | Chief Financial Officer | Option exercise(M) | 10K | — | — |
| Feb 2, 2025 | Hinds Brent | Chief Financial Officer | Tax withholding(F) | 4K | $1.20 | $4K |
| Feb 2, 2025 | Hinds Brent | Chief Financial Officer | Option exercise(M) | 10K | — | $0 |
| Jan 2, 2025 | Maley David M | Director | Grant(A) | 13K | — | $0 |
| Jan 2, 2025 | Schrecker Judith S | Director | Grant(A) | 19K | — | $0 |
| Jan 2, 2025 | Silva Gil Todd | Director | Grant(A) | 11K | — | $0 |
| Jan 2, 2025 | de Lacy Catharine | Director | Grant(A) | 14K | — | $0 |
| Oct 1, 2024 | de Lacy Catharine | Director | Grant(A) | 24K | — | $0 |
| Oct 1, 2024 | Maley David M | Director | Grant(A) | 23K | — | $0 |
| Oct 1, 2024 | Schrecker Judith S | Director | Grant(A) | 32K | — | $0 |
| Oct 1, 2024 | Silva Gil Todd | Director | Grant(A) | 18K | — | $0 |
| Aug 1, 2024 | Silva Gil Todd | Director | Grant(A) | 12K | — | $0 |
| Jul 1, 2024 | Maley David M | Director | Grant(A) | 22K | — | $0 |
| Jul 1, 2024 | Schrecker Judith S | Director | Grant(A) | 30K | — | $0 |
| Jul 1, 2024 | de Lacy Catharine | Director | Grant(A) | 22K | — | $0 |
| Jun 24, 2024 | Princeton Opportunity Management LLC | 10% Owner | Buy(P) | 3.4M | $0.91 | $3.0M |
| Jun 24, 2024 | Princeton Opportunity Management LLC | 10% Owner | Buy(P) | 1.3M | $0.91 | $1.2M |
| Jun 24, 2024 | Princeton Opportunity Management LLC | 10% Owner | Buy(P) | 7.0M | $0.01 | $70K |
| May 20, 2024 | Hinds Brent | Chief Financial Officer | Option exercise(M) | 3K | — | — |
| May 20, 2024 | Hinds Brent | Chief Financial Officer | Tax withholding(F) | 963 | $0.78 | $751 |
| May 20, 2024 | Hinds Brent | Chief Financial Officer | Option exercise(M) | 3K | — | $0 |
| Apr 23, 2024 | Maley David M | Director | Grant(A) | 14K | — | $0 |
| Apr 1, 2024 | de Lacy Catharine | Director | Grant(A) | 20K | — | $0 |
| Apr 1, 2024 | HOFFMAN Robert Thurston Sr | Director | Grant(A) | 20K | — | $0 |
| Apr 1, 2024 | Schrecker Judith S | Director | Grant(A) | 27K | — | $0 |
| Feb 22, 2024 | Hinds Brent | Chief Financial Officer | Grant(A) | 23K | — | $0 |
| Feb 22, 2024 | Deller Colin James | Chief Executive Officer | Grant(A) | 131K | — | $0 |
| Feb 22, 2024 | Deller Colin James | Chief Executive Officer | Tax withholding(F) | 65K | $1.06 | $69K |
| Feb 2, 2024 | Hinds Brent | Chief Financial Officer | Option exercise(M) | 10K | — | — |
| Feb 2, 2024 | Hinds Brent | Chief Financial Officer | Tax withholding(F) | 4K | $1.01 | $4K |
| Feb 2, 2024 | Hinds Brent | Chief Financial Officer | Option exercise(M) | 10K | — | $0 |
| Feb 1, 2024 | clirSPV LLC | 10% Owner | Other(J) | 1.3M | — | $0 |
| Jan 2, 2024 | de Lacy Catharine | Director | Grant(A) | 18K | — | $0 |
| Jan 2, 2024 | HOFFMAN Robert Thurston Sr | Director | Grant(A) | 19K | — | $0 |
| Jan 2, 2024 | Schrecker Judith S | Director | Grant(A) | 24K | — | $0 |
| Oct 2, 2023 | DiElsi Gary J. | Director | Grant(A) | 19K | — | $0 |
| Oct 2, 2023 | HOFFMAN Robert Thurston Sr | Director | Grant(A) | 19K | — | $0 |
| Oct 2, 2023 | Schrecker Judith S | Director | Grant(A) | 24K | — | $0 |
| Oct 2, 2023 | de Lacy Catharine | Director | Grant(A) | 18K | — | $0 |
| Jul 3, 2023 | DiElsi Gary J. | Director | Grant(A) | 13K | — | $0 |
| Jul 3, 2023 | HOFFMAN Robert Thurston Sr | Director | Grant(A) | 15K | — | $0 |
| Jul 3, 2023 | Schrecker Judith S | Director | Grant(A) | 19K | — | $0 |
| Jul 3, 2023 | de Lacy Catharine | Director | Grant(A) | 14K | — | $0 |
| Apr 3, 2023 | DiElsi Gary J. | Director | Grant(A) | 22K | — | $0 |
| Apr 3, 2023 | HOFFMAN Robert Thurston Sr | Director | Grant(A) | 25K | — | $0 |
| Apr 3, 2023 | de Lacy Catharine | Director | Grant(A) | 23K | — | $0 |
| Apr 3, 2023 | Schrecker Judith S | Director | Grant(A) | 33K | — | $0 |
| Feb 23, 2023 | de Lacy Catharine | Director | Grant(A) | 10K | — | $0 |
| Feb 2, 2023 | Deller Colin James | Chief Executive Officer | Tax withholding(F) | 55K | $0.79 | $43K |
| Feb 2, 2023 | Hinds Brent | Chief Financial Officer | Tax withholding(F) | 22K | $0.79 | $17K |
| Jan 3, 2023 | HOFFMAN Robert Thurston Sr | Director | Grant(A) | 37K | — | $0 |
| Jan 3, 2023 | Meline Susanne | Director | Grant(A) | 43K | — | $0 |
| Jan 3, 2023 | Schrecker Judith S | Director | Grant(A) | 42K | — | $0 |
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.
Issuer: ClearSign Technologies Corp, SEC CIK 0001434524. The symbol on a Form 4 is typed by the filer, so this page follows the issuer with the newest filing under CLIR and shows every filing by that issuer.
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-15. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for CLIR