CLIR insider transaction filings
ClearSign Technologies Corp — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-07-24. Screen CLIR transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 4 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing by 1 insider — 500,000 shares, $1,770,000 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 4.
- Largest priced transaction: purchase of 500,000 shares @ $3.54 ($1,770,000) by PASQUESI JOHN M, filed 2026-07-24.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| PASQUESI JOHN M — 10% owner | 1 | 1 leg · 500,000 sh · $1,770,000 | — | — |
| Silva Gil Todd — Director | 1 | — | — | 2 |
| Basenese Lou — Director | 1 | — | — | 1 |
| DIGIANDOMENICO ANTHONY — Director | 1 | — | — | 1 |
Recent Form 4 filings — ClearSign Technologies Corp
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-24 | 4 | PASQUESI JOHN M — 10% owner | Purchase (P): 500,000 @ $3.54 | EDGAR |
| 2026-07-02 | 4 | Basenese Lou — Director | Grant/award (A): 4,595 (derivative) @ $0 | EDGAR |
| 2026-07-02 | 4 | Silva Gil Todd — Director | Grant/award (A): 4,087 (derivative) @ $0 · Grant/award (A): 4,595 (derivative) @ $0 | EDGAR |
| 2026-07-02 | 4 | DIGIANDOMENICO ANTHONY — Director | Grant/award (A): 4,595 (derivative) @ $0 | EDGAR |
| 2026-04-27 | 4 | Silva Gil Todd — Director | Purchase (P): 1,000 @ $5.32 · Purchase (P): 1,000 @ $5.25 | EDGAR |
| 2026-04-27 | 4/A | Deller Colin James — Chief Executive Officer, Director | Grant/award (A): 7,001 @ $5.62 · Tax withholding (F): 3,501 @ $5.62 | EDGAR |
| 2026-04-02 | 4 | Basenese Lou — Director | Grant/award (A): 3,024 (derivative) @ $0 | EDGAR |
| 2026-04-02 | 4 | Silva Gil Todd — Director | Grant/award (A): 3,440 (derivative) @ $0 · Grant/award (A): 3,024 (derivative) @ $0 | EDGAR |
| 2026-04-02 | 4 | DIGIANDOMENICO ANTHONY — Director | Grant/award (A): 3,024 (derivative) @ $0 | EDGAR |
| 2026-03-19 | 4 | Silva Gil Todd — Director | Purchase (P): 2,000 @ $4.36 · Purchase (P): 2,000 @ $4.20 | EDGAR |
| 2026-03-02 | 4 | Deller Colin James — Chief Executive Officer | Grant/award (A): 210,043 @ $0 · Tax withholding (F): 105,022 @ $0.56 | EDGAR |
| 2026-03-02 | 4 | Hinds Brent — Chief Financial Officer | Grant/award (A): 56,645 @ $0 · Tax withholding (F): 20,761 @ $0.56 · Grant/award (A): 47,009 (derivative) @ $0 | EDGAR |
| 2026-02-24 | 4 | Hinds Brent — Chief Financial Officer | Option exercise (M): 9,315 · Tax withholding (F): 3,413 @ $0.59 · Option exercise (M): 7,547 · Tax withholding (F): 2,765 @ $0.59 · Option exercise (M): 9,315 (derivative) @ $0 · Option exercise (M): 7,547 (derivative) @ $0 | EDGAR |
| 2026-02-04 | 4 | Hinds Brent — Chief Financial Officer | Option exercise (M): 10,127 · Tax withholding (F): 3,711 @ $0.60 · Option exercise (M): 10,127 (derivative) @ $0 | EDGAR |
| 2025-10-03 | 4 | Basenese Lou — Director | Grant/award (A): 24,621 (derivative) @ $0 | EDGAR |
| 2025-10-03 | 4 | Silva Gil Todd — Director | Grant/award (A): 26,830 (derivative) @ $0 | EDGAR |
| 2025-07-03 | 4 | Maley David M — Director | Grant/award (A): 9,452 (derivative) @ $0 | EDGAR |
| 2025-07-03 | 4 | Silva Gil Todd — Director | Grant/award (A): 32,638 (derivative) @ $0 | EDGAR |
| 2025-07-03 | 4 | de Lacy Catharine — Director | Grant/award (A): 32,175 (derivative) @ $0 | EDGAR |
| 2025-07-03 | 4 | Schrecker Judith S — Director | Grant/award (A): 46,296 (derivative) @ $0 | EDGAR |
| 2025-07-03 | 4 | Basenese Lou — Director | Grant/award (A): 34,722 (derivative) @ $0 | EDGAR |
| 2025-05-27 | 4 | Basenese Lou — Director | Grant/award (A): 10,923 (derivative) @ $0 | EDGAR |
| 2025-04-03 | 4 | de Lacy Catharine — Director | Grant/award (A): 24,857 (derivative) @ $0 | EDGAR |
| 2025-04-03 | 4 | Schrecker Judith S — Director | Grant/award (A): 33,735 (derivative) @ $0 | EDGAR |
| 2025-04-03 | 4 | Silva Gil Todd — Director | Grant/award (A): 19,369 (derivative) @ $0 | EDGAR |
| 2025-04-03 | 4 | Maley David M — Director | Grant/award (A): 23,728 (derivative) @ $0 | EDGAR |
| 2025-02-25 | 4 | Hinds Brent — Chief Financial Officer | Option exercise (M): 7,547 · Tax withholding (F): 2,636 @ $0.80 · Option exercise (M): 7,547 (derivative) @ $0 | EDGAR |
| 2025-02-24 | 4 | Hinds Brent — Chief Financial Officer | Grant/award (A): 51,176 @ $0 · Tax withholding (F): 18,757 @ $0.86 · Grant/award (A): 27,946 (derivative) @ $0 | EDGAR |
| 2025-02-24 | 4 | Deller Colin James — Chief Executive Officer | Grant/award (A): 100,393 @ $0 · Tax withholding (F): 49,846 @ $0.86 | EDGAR |
| 2025-02-21 | 4 | Hinds Brent — Chief Financial Officer | Option exercise (M): 2,627 · Tax withholding (F): 963 @ $0.78 · Option exercise (M): 10,127 · Tax withholding (F): 3,712 @ $1.20 · Option exercise (M): 2,627 (derivative) @ $0 · Option exercise (M): 10,127 (derivative) @ $0 | EDGAR |
| 2025-01-06 | 4 | Silva Gil Todd — Director | Grant/award (A): 10,791 (derivative) @ $0 | EDGAR |
| 2025-01-06 | 4 | de Lacy Catharine — Director | Grant/award (A): 13,848 (derivative) @ $0 | EDGAR |
| 2025-01-06 | 4 | Schrecker Judith S — Director | Grant/award (A): 18,794 (derivative) @ $0 | EDGAR |
| 2025-01-06 | 4 | Maley David M — Director | Grant/award (A): 13,219 (derivative) @ $0 | EDGAR |
| 2024-10-03 | 4 | Silva Gil Todd — Director | Grant/award (A): 18,477 (derivative) @ $0 | EDGAR |
| 2024-10-03 | 4 | Schrecker Judith S — Director | Grant/award (A): 32,181 (derivative) @ $0 | EDGAR |
| 2024-10-03 | 4 | Maley David M — Director | Grant/award (A): 22,634 (derivative) @ $0 | EDGAR |
| 2024-10-03 | 4 | de Lacy Catharine — Director | Grant/award (A): 23,712 (derivative) @ $0 | EDGAR |
| 2024-08-05 | 4 | Silva Gil Todd — Director | Grant/award (A): 12,364 (derivative) @ $0 | EDGAR |
| 2024-07-03 | 4 | de Lacy Catharine — Director | Grant/award (A): 21,872 (derivative) @ $0 | EDGAR |
| 2024-07-03 | 4 | Schrecker Judith S — Director | Grant/award (A): 29,684 (derivative) @ $0 | EDGAR |
| 2024-07-03 | 4 | Maley David M — Director | Grant/award (A): 22,001 (derivative) @ $0 | EDGAR |
| 2024-06-26 | 4 | HOFFMAN Robert Thurston Sr — 10% owner clirSPV LLC — 10% owner GPclirSPV LLC — 10% owner Princeton Opportunity Management LLC — 10% owner | Purchase (P): 3,350,000 @ $0.91 · Purchase (P): 7,039,500 (derivative) @ $0.01 · Purchase (P): 1,343,000 (derivative) @ $0.91 | EDGAR |
| 2024-04-25 | 4 | Maley David M — Director | Grant/award (A): 14,409 (derivative) @ $0 | EDGAR |
| 2024-04-10 | 4/A | Hinds Brent — Chief Financial Officer | Grant/award (A): 22,641 (derivative) @ $0 | EDGAR |
| 2024-04-02 | 4 | Schrecker Judith S — Director | Grant/award (A): 26,658 (derivative) @ $0 | EDGAR |
| 2024-04-02 | 4 | HOFFMAN Robert Thurston Sr — Director | Grant/award (A): 20,408 (derivative) @ $0 | EDGAR |
| 2024-04-02 | 4 | de Lacy Catharine — Director | Grant/award (A): 19,642 (derivative) @ $0 | EDGAR |
| 2024-02-26 | 4/A | Hinds Brent — Chief Financial Officer | Tax withholding (F): 21,673 @ $0.79 | EDGAR |
| 2024-02-26 | 4/A | Deller Colin James — Chief Executive Officer | Tax withholding (F): 54,519 @ $0.79 | EDGAR |
Recent 8-K events — ClearSign Technologies Corp
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-14 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-20 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-11 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-23 | 8-K | 1.01 — Entry into a Material Definitive Agreement 3.02 — Unregistered Sales of Equity Securities 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-06 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-18 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-09 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-01 | 8-K | 1.01 — Entry into a Material Definitive Agreement 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-28 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-21 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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