ClearSign Combustion Corporation

Call us: +1.206.673.4848

Our patented technologies, embedded in established OEM products as ClearSign Core™, and ClearSign Eye™ and other sensing configurations, enhance the performance of combustion systems and fuel safety systems in a broad range of markets, including the energy (upstream oil production and down-stream refining), commercial/industrial boiler, chemical, petrochemical, transport and power industries.

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Form	Description	Date	Format
SC 13D/A	Amendment to a SC 13D filing	Jun 26, 2012	Open Amendment to a SC 13D filing in HTML.Open Amendment to a SC 13D filing in DOC file.Open Amendment to a SC 13D filing in PDF file.Open Amendment to a SC 13D filing in XLS file.
SC 13D/A	Amendment to a SC 13D filing	Jun 26, 2012	Open Amendment to a SC 13D filing in HTML.Open Amendment to a SC 13D filing in DOC file.Open Amendment to a SC 13D filing in PDF file.Open Amendment to a SC 13D filing in XLS file.
SC 13D	Filing by person(s) reporting owned shares of common stock in a public company >5%	May 1, 2012	Open Filing by person(s) reporting owned shares of common stock in a public company >5% in HTML.Open Filing by person(s) reporting owned shares of common stock in a public company >5% in DOC file.Open Filing by person(s) reporting owned shares of common stock in a public company >5% in PDF file.Open Filing by person(s) reporting owned shares of common stock in a public company >5% in XLS file.
EFFECT	Notice from the SEC of registration effectiveness	Apr 26, 2012	Open Notice from the SEC of registration effectiveness in HTML.Open Notice from the SEC of registration effectiveness in DOC file.Open Notice from the SEC of registration effectiveness in PDF file.Open Notice from the SEC of registration effectiveness in XLS file.
CERTNAS	When a company wishes to "uplist" from pinksheets to NASDAQ it must first file S-1 and S-1a until final approval. Once final approval is obtained the SEC files a CERTNAS	Apr 25, 2012	Open When a company wishes to "uplist" from pinksheets to NASDAQ it must first file S-1 and S-1a until final approval. Once final approval is obtained the SEC files a CERTNAS in HTML.Open When a company wishes to "uplist" from pinksheets to NASDAQ it must first file S-1 and S-1a until final approval. Once final approval is obtained the SEC files a CERTNAS in DOC file.Open When a company wishes to "uplist" from pinksheets to NASDAQ it must first file S-1 and S-1a until final approval. Once final approval is obtained the SEC files a CERTNAS in PDF file.Open When a company wishes to "uplist" from pinksheets to NASDAQ it must first file S-1 and S-1a until final approval. Once final approval is obtained the SEC files a CERTNAS in XLS file.
EFFECT	Notice from the SEC of registration effectiveness	Apr 25, 2012	Open Notice from the SEC of registration effectiveness in HTML.Open Notice from the SEC of registration effectiveness in DOC file.Open Notice from the SEC of registration effectiveness in PDF file.Open Notice from the SEC of registration effectiveness in XLS file.
CORRESP	Correspondence from the Filer to the SEC	Apr 20, 2012	Open Correspondence from the Filer to the SEC in HTML.Open Correspondence from the Filer to the SEC in DOC file.Open Correspondence from the Filer to the SEC in PDF file.Open Correspondence from the Filer to the SEC in XLS file.
CORRESP	Correspondence from the Filer to the SEC	Apr 20, 2012	Open Correspondence from the Filer to the SEC in HTML.Open Correspondence from the Filer to the SEC in DOC file.Open Correspondence from the Filer to the SEC in PDF file.Open Correspondence from the Filer to the SEC in XLS file.
UPLOAD	Correspondence from the SEC to the Filer	Feb 17, 2012	Open Correspondence from the SEC to the Filer in HTML.Open Correspondence from the SEC to the Filer in DOC file.Open Correspondence from the SEC to the Filer in PDF file.Open Correspondence from the SEC to the Filer in XLS file.
UPLOAD	Correspondence from the SEC to the Filer	Jan 17, 2012	Open Correspondence from the SEC to the Filer in HTML.Open Correspondence from the SEC to the Filer in DOC file.Open Correspondence from the SEC to the Filer in PDF file.Open Correspondence from the SEC to the Filer in XLS file.