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ClearSign Combustion CorporationClearSign Combustion CorporationClearSign Combustion CorporationClearSign Combustion Corporation
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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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ViewAll FilingsAnnual FilingsQuarterly FilingsCurrent FilingsRegistration StatementsSection 16Proxy & Information StatementsOther
FormDescriptionDateFormat
PRRN14ANon-management revised preliminary proxy soliciting materialsDec 6, 2018Open Non-management revised preliminary proxy soliciting materials in HTML.Open Non-management revised preliminary proxy soliciting materials in DOC file.Open Non-management revised preliminary proxy soliciting materials in PDF file.Open Non-management revised preliminary proxy soliciting materials in XLS file.
PREC14APreliminary proxy statement containing contested solicitationsNov 19, 2018Open Preliminary proxy statement containing contested solicitations in HTML.Open Preliminary proxy statement containing contested solicitations in DOC file.Open Preliminary proxy statement containing contested solicitations in PDF file.Open Preliminary proxy statement containing contested solicitations in XLS file.
DEFA14AAdditional proxy soliciting materials - definitiveNov 13, 2018Open Additional proxy soliciting materials - definitive in HTML.Open Additional proxy soliciting materials - definitive in DOC file.Open Additional proxy soliciting materials - definitive in PDF file.Open Additional proxy soliciting materials - definitive in XLS file.
PREN14ANon-management preliminary proxy statements not involving contested solicitationsNov 9, 2018Open Non-management preliminary proxy statements not involving contested solicitations in HTML.Open Non-management preliminary proxy statements not involving contested solicitations in DOC file.Open Non-management preliminary proxy statements not involving contested solicitations in PDF file.Open Non-management preliminary proxy statements not involving contested solicitations in XLS file.
DEF 14AOfficial notification to shareholders of matters to be brought to a vote ("Proxy")Apr 18, 2018Open Official notification to shareholders of matters to be brought to a vote ("Proxy") in HTML.Open Official notification to shareholders of matters to be brought to a vote ("Proxy") in DOC file.Open Official notification to shareholders of matters to be brought to a vote ("Proxy") in PDF file.Open Official notification to shareholders of matters to be brought to a vote ("Proxy") in XLS file.
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Copyright 2023 ClearSign Technologies Corporation | All Rights Reserved.
  • Investors Home
  • News / Events
    • Company News
    • Events and Webcasts
    • Email Alerts
  • Company Information
    • Profile
    • FAQs
    • IR Contacts
    • Presentations
  • Stock Information
    • Stock Quote
    • Charts
    • Historical Data
  • Financial Information
    • Financials
    • Annual Reports
    • Proxy
  • SEC Filings
    • All SEC Filings
    • Section 16 Filings
  • Corporate Governance
    • Board of Directors
    • Board Committees
    • Governance Documents
ClearSign Combustion Corporation