3 insiders reported 26 Form 4 transactions for ClearSign Technologies Corp (CLIR) over the past 18 months (most recent 2026-04-27). Recent activity: Deller Colin James (Chief Executive Officer) Buy 7,001 shares, Silva Gil Todd (Director) Buy 1,000 shares, Deller Colin James (Chief Executive Officer) Sell 3,501 shares, Silva Gil Todd (Director) Buy 1,000 shares, Silva Gil Todd (Director) Buy 2,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-27 | Deller Colin James | Chief Executive Officer | Buy | 7,001 | $39,318 |
| 2026-04-27 | Silva Gil Todd | Director | Buy | 1,000 | $5,319 |
| 2026-04-27 | Deller Colin James | Chief Executive Officer | Sell | 3,501 | $19,662 |
| 2026-04-27 | Silva Gil Todd | Director | Buy | 1,000 | $5,250 |
| 2026-03-19 | Silva Gil Todd | Director | Buy | 2,000 | $8,720 |
| 2026-03-19 | Silva Gil Todd | Director | Buy | 2,000 | $8,400 |
| 2026-03-02 | Hinds Brent | Chief Financial Officer | Buy | 56,645 | $0 |
| 2026-03-02 | Hinds Brent | Chief Financial Officer | Sell | 20,761 | $11,626 |
| 2026-03-02 | Deller Colin James | Chief Executive Officer | Buy | 210,043 | $0 |
| 2026-03-02 | Deller Colin James | Chief Executive Officer | Sell | 105,022 | $58,812 |
| 2026-02-24 | Hinds Brent | Chief Financial Officer | Buy | 9,315 | $0 |
| 2026-02-24 | Hinds Brent | Chief Financial Officer | Sell | 3,413 | $2,014 |
| 2026-02-24 | Hinds Brent | Chief Financial Officer | Buy | 7,547 | $0 |
| 2026-02-24 | Hinds Brent | Chief Financial Officer | Sell | 2,765 | $1,631 |
| 2026-02-04 | Hinds Brent | Chief Financial Officer | Buy | 10,127 | $0 |
| 2026-02-04 | Hinds Brent | Chief Financial Officer | Sell | 3,711 | $2,227 |
| 2025-02-25 | Hinds Brent | Chief Financial Officer | Buy | 7,547 | $0 |
| 2025-02-25 | Hinds Brent | Chief Financial Officer | Sell | 2,636 | $2,109 |
| 2025-02-24 | Hinds Brent | Chief Financial Officer | Sell | 18,757 | $16,131 |
| 2025-02-24 | Hinds Brent | Chief Financial Officer | Buy | 51,176 | $0 |
| 2025-02-24 | Deller Colin James | Chief Executive Officer | Buy | 100,393 | $0 |
| 2025-02-24 | Deller Colin James | Chief Executive Officer | Sell | 49,846 | $42,868 |
| 2025-02-21 | Hinds Brent | Chief Financial Officer | Buy | 2,627 | $0 |
| 2025-02-21 | Hinds Brent | Chief Financial Officer | Sell | 963 | $751 |
| 2025-02-21 | Hinds Brent | Chief Financial Officer | Buy | 10,127 | $0 |
Source: SEC Form 4 filings · as of 2026-04-27
