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 | 2020-11-23 | 2020-11-19 |
| Insider trade | 4 | 2020-11-23 | 2020-11-19 |
| Insider trade | 4 | 2020-11-23 | 2020-11-19 |
| Quarterly report | 10-Q | 2020-11-13 | 2020-09-30 |
| Activist ownership stake (update) | SC 13D/A | 2020-10-07 | - |
| D | - | 2020-10-02 | - |
| Major company event | 8-K | 2020-09-17 | 2020-09-15 |
| Insider trade | 4 | 2020-08-26 | 2020-08-24 |
| Insider trade | 4 | 2020-08-26 | 2020-08-24 |
| Major company event | 8-K | 2020-08-21 | 2020-08-19 |
| Prospectus supplement | 424B2 | 2020-08-21 | - |
| Insider trade | 4 | 2020-08-20 | 2020-08-18 |
| Insider trade | 4 | 2020-08-20 | 2020-08-18 |
| Insider trade | 4 | 2020-08-20 | 2020-08-18 |
| Prospectus supplement | 424B2 | 2020-08-19 | - |
| Quarterly report | 10-Q | 2020-08-14 | 2020-06-30 |
| Major company event | 8-K | 2020-07-13 | 2020-07-10 |
| Major company event | 8-K | 2020-07-01 | 2020-06-30 |
| Major company event | 8-K | 2020-06-22 | 2020-06-17 |
| Major company event | 8-K | 2020-06-18 | 2020-06-16 |
| Employee stock plan | S-8 | 2020-05-22 | - |
| Insider trade | 4 | 2020-05-20 | 2020-05-18 |
| Insider trade | 4 | 2020-05-20 | 2020-05-18 |
| Insider trade | 4 | 2020-05-20 | 2020-05-18 |
| Insider trade | 4 | 2020-05-20 | 2020-05-18 |
| Quarterly report | 10-Q | 2020-05-14 | 2020-03-31 |
| Proxy statement | DEF 14A | 2020-04-27 | 2020-06-17 |
| Major company event | 8-K | 2020-04-21 | 2020-04-20 |
| Major company event | 8-K | 2020-04-17 | 2020-04-15 |
| Insider trade | 4 | 2020-04-03 | 2020-04-01 |
| Insider trade | 4 | 2020-04-03 | 2020-04-01 |
| Insider trade | 4 | 2020-04-03 | 2020-04-01 |
| Insider trade | 4 | 2020-04-03 | 2020-04-01 |
| Annual report | 10-K | 2020-03-30 | 2019-12-31 |
| Major company event | 8-K | 2020-03-13 | 2020-03-12 |
| Major company event | 8-K | 2020-02-20 | 2020-02-13 |
| Insider trade | 4 | 2020-02-14 | 2020-02-12 |
| Major company event | 8-K | 2020-01-17 | 2020-01-15 |
| Major company event | 8-K | 2020-01-15 | 2020-01-09 |
| Insider trade | 4 | 2020-01-14 | 2020-01-09 |
| Insider trade | 4 | 2020-01-14 | 2020-01-09 |
| Insider trade | 4 | 2020-01-13 | 2020-01-09 |
| Major company event | 8-K | 2019-11-15 | 2019-11-13 |
| Quarterly report | 10-Q | 2019-11-13 | 2019-09-30 |
| Insider trade (amended) | 4/A | 2019-10-31 | 2019-05-09 |
| Insider trade (amended) | 4/A | 2019-10-31 | 2019-05-09 |
| Insider trade (amended) | 4/A | 2019-10-31 | 2019-05-09 |
| Insider trade (amended) | 4/A | 2019-10-31 | 2019-05-09 |
| Insider trade (amended) | 4/A | 2019-10-31 | 2019-05-09 |
| Major company event | 8-K | 2019-09-27 | 2019-09-25 |