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Home/The Filing Wire/ClearSign Technologies Corporation/ 8-K

Current Report · Items 8.01, 9.01 · 8-K

ClearSign Technologies Corporation

CLIRNASDAQEQUITYCurrent

Other Events

Item 8.01 Other Events. On July 6, 2026, ClearSign Technologies Corporation (the “Company”) filed a prospectus supplement (the “Prospectus Supplement”) to recommence its “at the market” offering, as defined in Rule 415 under the Securities Act of 1933, as amended, under which the Company may offer and sell up to $6,875,000 in shares (the “Placement Shares”) of the Company’s common stock, par value…

Filed Jul 6, 2026Accepted Jul 6, 2026, 4:06 PM EDTCIK 1434524Accession 0001104659-26-080744
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Company context

ClearSign Technologies Corporation designs and develops products and technologies for the purpose of decarbonization and improving key performance characteristics of industrial and commercial systems, including operational performance, energy efficiency, emission reduction, safety, the use of hydrogen as a fuel and overall cost-effectiveness. 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. For more information, please visit www.clearsign.com.

Current securities

CLIRNASDAQ · EQUITY · Current

Recent company filings

  1. Regulation FD DisclosureSep 14, 2026
  2. Results of Operations and Financial Condition · Regulation FD DisclosureAug 20, 2026
  3. 10-Q filingAug 14, 2026
  4. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements · Regulation FD DisclosureAug 11, 2026
  5. D filingJul 31, 2026

Disclosure sections

Items 8.01, 9.01

Select an item to read the extracted section. The as-filed document remains the primary evidence.

Item 8.01Item 8.01 - Other Events
Item 8.01 Other Events. On July 6, 2026, ClearSign Technologies Corporation (the “Company”) filed a prospectus supplement (the “Prospectus Supplement”) to recommence its “at the market” offering, as defined in Rule 415 under the Securities Act of 1933, as amended, under which the Company may offer and sell up to $6,875,000 in shares (the “Placement Shares”) of the Company’s common stock, par value $0.0001 per share, pursuant to that certain At The Market Offering Agreement between the Company and H.C. Wainwright & Co., LLC, dated July 17, 2025 (the “Sales Agreement”). The issuance and sale of the Placement Shares by the Company under the Sales Agreement will be made pursuant to the Company’s registration statement on Form S-3 (File No. 333-288736) filed with the Securities and Exchange Commission on July 17, 2025, and declared effective on July 28, 2025, as supplemented by the Prospectus Supplement. A copy of the legal opinion of Mitchell Silberberg & Knupp LLP relating to the Placement Shares is filed as Exhibit 5.1 hereto.