ClearSign designs, develops and markets technologies that aim to improve the key performance characteristics of combustion systems, including emission, operational performance, energy efficiency and overall cost effectiveness.
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| Form | Description | Date | Format |
|---|---|---|---|
| 8-K | Report of unscheduled material events or corporate event | Dec 7, 2016 |     |
| 424B2 | Form of prospectus filed in connection with primary offering of securities on a delayed basis | Dec 7, 2016 | |
| 8-K | Report of unscheduled material events or corporate event | Nov 15, 2016 | |
| 10-Q | Quarterly report which provides a continuing view of a company's financial position | Nov 14, 2016 |   |
| 4 | Statement of changes in beneficial ownership of securities | Oct 31, 2016 | |
| 4 | Statement of changes in beneficial ownership of securities | Oct 31, 2016 | |
| 4 | Statement of changes in beneficial ownership of securities | Oct 31, 2016 | |
| 8-K | Report of unscheduled material events or corporate event | Aug 23, 2016 | |
| 8-K | Report of unscheduled material events or corporate event | Aug 11, 2016 | |
| 10-Q | Quarterly report which provides a continuing view of a company's financial position | Aug 11, 2016 | |
| 4 | Statement of changes in beneficial ownership of securities | Jun 30, 2016 | |
| 4 | Statement of changes in beneficial ownership of securities | Jun 30, 2016 | |
| 4 | Statement of changes in beneficial ownership of securities | Jun 30, 2016 | |
| 8-K | Report of unscheduled material events or corporate event | Jun 28, 2016 | |
| SC 13D/A | Amendment to a SC 13D filing | Jun 1, 2016 | |
| SC 13D/A | Amendment to a SC 13D filing | Jun 1, 2016 | |
| 8-K | Report of unscheduled material events or corporate event | May 12, 2016 | |
| 10-Q | Quarterly report which provides a continuing view of a company's financial position | May 12, 2016 | |
| 3 | Initial filing by director officer or owner of more than ten percent. | May 10, 2016 | |
| 8-K | Report of unscheduled material events or corporate event | May 10, 2016 | |
| 4 | Statement of changes in beneficial ownership of securities | Apr 29, 2016 | |
| 4 | Statement of changes in beneficial ownership of securities | Apr 29, 2016 | |
| 4 | Statement of changes in beneficial ownership of securities | Apr 29, 2016 | |
| 4 | Statement of changes in beneficial ownership of securities | Apr 29, 2016 | |
| 4 | Statement of changes in beneficial ownership of securities | Apr 29, 2016 | |
| 1-25 26-40 | |||