CLIR · ClearSign Technologies Corp · Documents
$3.85
-0.18 (-4.47%)
At close · Sep 14
Going-concern doubt
— flagged Aug 14, 2026
Substantial doubt about the company's ability to continue as a going concern.
“There can be no assurance that we will be successful in achieving our long term plans, or that such plans, if consummated, will result in profitable operations or enable us to continue in the long term as a going concern.”View the 10-Q filed Aug 14, 2026
Market Cap
$27.30M
Shares
6.81M
The company's filings as submitted to the SEC's EDGAR system — 10-K, 10-Q, 8-K, proxy statements and more — listed most recent first.
| Type | Filing Date | Period | Open |
|---|---|---|---|
| 8-K | 2026-09-14 | — | |
| 8-K | 2026-08-20 | 2026-08-19 | |
| 10-Q | 2026-08-14 | 2026-06-30 | |
| 8-K | 2026-08-11 | 2026-08-06 | |
| 8-K | 2026-07-23 | 2026-07-21 | |
| 8-K | 2026-07-06 | — | |
| 8-K | 2026-06-18 | — | |
| 8-K | 2026-06-09 | 2026-06-08 | |
| 8-K | 2026-06-01 | 2026-05-28 | |
| 8-K | 2026-05-28 | 2026-05-26 | |
| 8-K | 2026-05-21 | 2026-05-20 | |
| 10-Q | 2026-05-15 | 2026-03-31 | |
| DEF 14A | 2026-04-28 | 2026-06-08 | |
| 8-K | 2026-04-10 | 2026-04-09 | |
| 10-K | 2026-03-31 | 2025-12-31 | |
| 8-K | 2026-03-30 | — | |
| 8-K | 2026-03-10 | 2026-03-06 | |
| 8-K | 2026-03-04 | 2026-02-26 | |
| 8-K | 2026-02-25 | 2026-02-24 | |
| DEF 14A | 2026-02-02 | 2026-02-26 | |
| 8-K | 2026-01-07 | — | |
| 8-K | 2025-12-08 | — | |
| 8-K | 2025-11-21 | 2025-11-19 | |
| 8-K | 2025-11-17 | 2025-11-11 | |
| 10-Q | 2025-11-14 | 2025-09-30 | |
| 8-K | 2025-09-30 | — | |
| 8-K | 2025-08-29 | 2025-08-26 | |
| 8-K | 2025-08-15 | 2025-08-14 | |
| 10-Q | 2025-08-14 | 2025-06-30 | |
| 8-K | 2025-08-08 | 2025-08-04 | |
| 8-K | 2025-07-28 | 2025-07-25 | |
| 8-K | 2025-07-18 | 2025-07-12 | |
| 8-K | 2025-07-11 | 2025-06-27 | |
| DEF 14A | 2025-06-13 | 2025-07-25 | |
| 10-K/A | 2025-05-28 | 2024-12-31 | |
| 8-K | 2025-05-27 | 2025-05-22 | |
| 8-K | 2025-05-23 | 2025-05-21 | |
| 10-Q | 2025-05-15 | 2025-03-31 | |
| 8-K | 2025-04-04 | 2025-04-01 | |
| 10-K | 2025-03-31 | 2024-12-31 | |
| 8-K | 2024-12-09 | 2024-12-06 | |
| 8-K | 2024-11-21 | 2024-11-20 | |
| 10-Q | 2024-11-14 | 2024-09-30 | |
| 10-K/A | 2024-11-07 | 2023-12-31 | |
| 8-K | 2024-10-30 | — | |
| 8-K | 2024-10-01 | — | |
| 8-K/A | 2024-08-23 | 2024-06-24 | |
| 8-K | 2024-08-23 | 2024-08-21 | |
| 10-Q | 2024-08-14 | 2024-06-30 | |
| 8-K | 2024-08-06 | 2024-08-01 |
Showing 1–50 of 134 filings