CLIR - CIK 0001434524
ClearSign Technologies Corp has filed 769 documents with the SEC between 2008 and 2026. The most frequent type is insider trade (294 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Insider trade | 4 | 2024-02-26 | 2024-02-22 |
| Insider trade (amended) | 4/A | 2024-02-26 | 2023-02-02 |
| Major company event | 8-K | 2024-02-07 | 2024-02-07 |
| Insider trade | 4 | 2024-02-06 | 2024-02-02 |
| Activist ownership stake (update) | SC 13D/A | 2024-02-05 | - |
| Insider trade | 4 | 2024-02-02 | 2024-02-01 |
| Major company event | 8-K | 2024-01-05 | 2023-12-30 |
| Insider trade | 4 | 2024-01-03 | 2024-01-02 |
| Insider trade | 4 | 2024-01-03 | 2024-01-02 |
| Insider trade | 4 | 2024-01-03 | 2024-01-02 |
| Major company event | 8-K | 2023-11-27 | 2023-11-24 |
| Major company event | 8-K | 2023-11-15 | 2023-11-14 |
| Quarterly report | 10-Q | 2023-11-14 | 2023-09-30 |
| Insider trade | 4 | 2023-10-04 | 2023-10-02 |
| Insider trade | 4 | 2023-10-04 | 2023-10-02 |
| Insider trade | 4 | 2023-10-04 | 2023-10-02 |
| Insider trade | 4 | 2023-10-04 | 2023-10-02 |
| Major company event | 8-K | 2023-09-22 | 2023-09-20 |
| Major company event | 8-K | 2023-09-01 | 2023-08-31 |
| 424B3 | - | 2023-09-01 | - |
| EFFECT | - | 2023-08-30 | - |
| Major company event | 8-K | 2023-08-29 | 2023-08-29 |
| Quarterly report | 10-Q | 2023-08-14 | 2023-06-30 |
| 8-A12B/A | - | 2023-08-14 | - |
| 8-A12B/A | - | 2023-08-11 | - |
| Securities registration | S-3 | 2023-08-11 | - |
| Insider trade | 4 | 2023-07-06 | 2023-07-03 |
| Insider trade | 4 | 2023-07-06 | 2023-07-03 |
| Insider trade | 4 | 2023-07-06 | 2023-07-03 |
| Insider trade | 4 | 2023-07-06 | 2023-07-03 |
| Major company event | 8-K | 2023-06-15 | 2023-06-14 |
| Major company event | 8-K | 2023-06-08 | 2023-06-06 |
| Major company event | 8-K | 2023-05-30 | 2023-05-25 |
| Major company event | 8-K | 2023-05-24 | 2023-05-18 |
| Quarterly report | 10-Q | 2023-05-15 | 2023-03-31 |
| Major company event | 8-K | 2023-05-02 | 2023-05-02 |
| Annual report to shareholders | ARS | 2023-04-26 | 2022-12-31 |
| Proxy materials | DEFA14A | 2023-04-25 | - |
| Proxy statement | DEF 14A | 2023-04-25 | 2023-06-06 |
| PRE 14A | - | 2023-04-14 | 2023-06-06 |
| Major company event | 8-K | 2023-04-07 | 2023-04-06 |
| Insider trade | 4 | 2023-04-05 | 2023-04-03 |
| Insider trade | 4 | 2023-04-04 | 2023-04-03 |
| Insider trade | 4 | 2023-04-04 | 2023-04-03 |
| Insider trade | 4 | 2023-04-04 | 2023-04-03 |
| Annual report | 10-K | 2023-03-31 | 2022-12-31 |
| Employee stock plan | S-8 | 2023-03-31 | - |
| Major company event | 8-K | 2023-02-24 | 2023-02-18 |
| Insider trade | 4 | 2023-02-23 | 2023-02-23 |
| New insider ownership | 3 | 2023-02-23 | 2023-02-21 |