Form 4 for CLIR ClearSign Technologies Corp
Accepted 2026-03-02 00:00:00 ET · period of report 2026-02-26 · accession 0001104659-26-022403 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-02 | 2026-02-26 | CLIR | Deller Colin James | CEO | F - Tax | $0.56 | -105.0K | 276.9K | -28% | -$58.8K | |
| 2026-03-02 | 2026-02-26 | CLIR | Deller Colin James | CEO | A - Grant | $0.00 | +210.0K | 381.9K | +122% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-02-26 | F | D | 105,022 | $0.56 | 276,874 | D | — | — | (F2) Represents the payment of the reporting person's tax liability by withholding shares incident to the receipt of the Company's common stock issued on February 26, 2026, based on the closing price of the Company's common stock on February 26, 2026, of $0.5616. |
| 2 | Common | Common Stock | 2026-02-26 | A | A | 210,043 | $0.00 | 381,896 | D | — | — | (F1) Represents a one-time bonus grant to reporting person for services as an executive officer for the year ended December 31, 2025, upon achievement of certain performance target metrics approved by the human capital and compensation committee of the board of directors. The number of shares awarded is based on the closing price of the Company's common stock on February 26, 2026, of $0.5616. |