UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 31, 2026

11710 Plaza America Drive, Suite 2000

Reston, VA 20190 

(Address of principal executive offices, including zip code)

(571) 730-1200

(Registrant’s Telephone Number, Including Area Code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01 Regulation FD Disclosure.

On September 8, 2026, Lightbridge Corporation (the “Company”) issued a letter to its shareholders addressing, among other matters, the U.S. Department of Energy’s (“DOE’s”) selection of the Company to participate in the Nuclear Energy Launch Pad INL (“Launch Pad”), the initiative administered by the DOE’s National Reactor Innovation Center at Idaho National Laboratory. A copy of the letter is furnished as Exhibit 99.1 to this report.

The information in this Current Report on Form 8-K under Item 7.01, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, unless specifically identified as being incorporated therein by reference.

Item 8.01 Other Events.

On August 31, 2026, the Company issued a press release announcing that it has been selected to participate in Launch Pad. A copy of the press release is filed as Exhibit 99.2 to this report.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.