Current Report · Items 7.01, 8.01, 9.01 · 8-K

Lightbridge Corporation

LTBRNASDAQEQUITYCurrent

Regulation FD Disclosure · Other Events

Filed Sep 8, 2026Accepted Sep 8, 2026, 4:15 PM EDTCIK 1084554Accession 0001477932-26-005448

Company context

Lightbridge Corporation (Nasdaq: LTBR) is focused on developing advanced nuclear fuel technology essential to delivering abundant, zero-emission, clean energy and providing energy security to the world. The Company is developing Lightbridge Fuel™, a proprietary next-generation nuclear fuel technology for existing light-water and pressurized heavy-water reactors, significantly enhancing reactor safety, economics, and proliferation resistance. The Company is also developing Lightbridge Fuel for new small modular reactors to deliver the same benefits, when combined with load-following with renewables, on a zero-carbon electric grid.

Current securities

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Recent company filings

Disclosure sections

Items 7.01, 8.01, 9.01

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

Item 7.01Item 7.01 - Regulation FD Disclosure

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 8.01Item 8.01 - Other Events

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.

Filed exhibits (2)

EX-99.1 (by filename) ltbr_ex991.htm

EX-99.1 2 ltbr_ex991.htm LETTER TO SHAREHOLDERS ltbr_ex991.htm EXHIBIT 99.1 Lightbridge Letter to Shareholders Outlines Expedited Pathway to Bring Lightbridge Fuel™ to Commercial Reactors RESTON, Va., Sept. 8, 2026 (GLOBE NEWSWIRE) - Lightbridge Corporation (“Lightbridge” or the “Company”) (Nasdaq: LTBR), an advanced nuclear fuel technology company, today issued a letter to shareholders from Lightbridge’s Chairman & Chief Executive Officer, Seth Grae, following the Company’s selection for the U.S. Department of Energy’s Launch Pad INL Program. Dear Shareholders, Recently, we announced that Lightbridge has been selected to participate in the U.S. Department of Energy’s (DOE’s) Launch Pad program at Idaho National Laboratory (INL). This is an important milestone for our Company that can enable an accelerated pathway for the commercial deployment of Lightbridge Fuel™. In this letter, I want to provide additional context on the significance of this milestone and convey why we believe we will look back on this day as one of the most consequential milestones in Lightbridge’s history. What makes this milestone so significant for Lightbridge? DOE’s Launch Pad INL enables a new t…

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EX-99.2 (by filename) ltbr_ex992.htm

EX-99.2 3 ltbr_ex992.htm PRESS RELEASE ltbr_ex992.htm EXHIBIT 99.2 Lightbridge Selected for U.S. Department of Energy Launch Pad INL Program to Advance Commercialization of Lightbridge Fuel™ Provides an Accelerated Pathway toward DOE Authorization to Manufacture Lead Test Assemblies of Lightbridge Fuel for Operation in Commercial Power Reactors RESTON, Va., Aug. 31, 2026 (GLOBE NEWSWIRE) - Lightbridge Corporation (“Lightbridge” or the “Company”) (Nasdaq: LTBR), an advanced nuclear fuel technology company, today announced that it has been selected to participate in the Nuclear Energy Launch Pad INL, administered by the U.S. Department of Energy’s (“DOE”) National Reactor Innovation Center (“NRIC”) at Idaho National Laboratory (“INL”). Selection provides an accelerated pathway toward DOE authorization for Lightbridge to design, build, and operate a dedicated facility at INL to manufacture Lead Test Assemblies (“LTAs”) of Lightbridge Fuel - the Company’s proprietary metallic nuclear fuel - for testing in U.S. commercial power reactors. LTAs represent the final fuel qualification stage between reactor testing and commercial fuel sales. Lightbridge now has an accelerated pathway…

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