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CIK 0001434524 · Non-accelerated filer<br>Smaller reporting company

ClearSign Technologies Corp

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Ticker
CLIR
Exchange
Nasdaq
Industry
Industrial Instruments For Measurement, Display, and Control
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
(918) 500-7312
Business address
8023 E. 63RD PLACE, SUITE 101, TULSA, OK, 74133
Former names
CLEARSIGN COMBUSTION CORP
  1. 4 Grant or award Director acquired 6,757 shares (grant or award)
  2. 8-K Event Executive or director change · Regulation FD disclosure · Other events
  3. 424B3 Offering Prospectus
  4. EFFECT Other Notice of Effectiveness
  5. CORRESP Other Correspondence Between Filers and SEC Staff
  6. UPLOAD Other SEC-generated Letter
  7. S-3 Offering Registration Statement
  8. 3 Insider Initial Statement of Ownership
  9. 8-K Event Regulation FD disclosure
  10. 8-K Event Regulation FD disclosure
  11. 10-Q Report Quarterly Report
  12. 3 Insider Initial Statement of Ownership
  13. 3 Insider Initial Statement of Ownership
  14. 3 Insider Initial Statement of Ownership
  15. SC 13D Stake Beneficial Ownership Report
  16. D Other Notice of Sales of Unregistered Securities
  17. 8-K Event Unregistered share sale · Executive or director change · Bylaws or fiscal year change · Regulation FD disclosure
  18. 8-K Event Material agreement · Regulation FD disclosure
  19. 4 Grant or award Director acquired 13,514 shares (grant or award)
  20. 4 Grant or award Director acquired 13,514 shares (grant or award)

Page 23 of 40 · 794 filings