Deller Colin James (CIK 1766480) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-27). Recent activity: Buy CLIR (7,001 shares), Sell CLIR (3,501 shares), Buy CLIR (210,043 shares), Sell CLIR (105,022 shares), Buy CLIR (100,393 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-27 | ClearSign Technologies Corp (CLIR) | Chief Executive Officer | Buy | 7,001 | $39,318 |
| 2026-04-27 | ClearSign Technologies Corp (CLIR) | Chief Executive Officer | Sell | 3,501 | $19,662 |
| 2026-03-02 | ClearSign Technologies Corp (CLIR) | Chief Executive Officer | Buy | 210,043 | $0 |
| 2026-03-02 | ClearSign Technologies Corp (CLIR) | Chief Executive Officer | Sell | 105,022 | $58,812 |
| 2025-02-24 | ClearSign Technologies Corp (CLIR) | Chief Executive Officer | Buy | 100,393 | $0 |
| 2025-02-24 | ClearSign Technologies Corp (CLIR) | Chief Executive Officer | Sell | 49,846 | $42,868 |
Source: SEC Form 4 filings · as of 2026-04-27