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
RW	Withdrawal of registration statement filed under the Securities Act	Dec 6, 2017	Open Withdrawal of registration statement filed under the Securities Act in HTML.Open Withdrawal of registration statement filed under the Securities Act in DOC file.Open Withdrawal of registration statement filed under the Securities Act in PDF file.Open Withdrawal of registration statement filed under the Securities Act in XLS file.
SC 13D/A	Amendment to a SC 13D filing	Mar 14, 2017	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	Mar 8, 2017	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.
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	Feb 7, 2017	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.
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	Jan 25, 2017	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.