Health Care · Industrial Inorganic Chemicals

LTBR LIGHTBRIDGE Corp SEC Filings & Insider Trading Activity 2026

company
CIK 1084554134 filings
Russell 2000

LTBR at a glance

LIGHTBRIDGE Corp (LTBR, SEC CIK 1084554) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on September 8, 2026 and Form 4 insider filings as recently as October 2, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.

  • For the fiscal year ended December 31, 2025 (FY2025), LIGHTBRIDGE Corp (LTBR) reported revenue of $0 and a net loss of $19.6 million.
  • As of June 30, 2026, 24 institutional investment managers tracked by SignalX reported holding LIGHTBRIDGE Corp (LTBR) shares worth $80.3 million in 13F-HR filings.
  • The most recent insider open-market sale reported on Form 4 was by Goodman Sherri on October 1, 2026 of 1,116 shares at $6.29 per share.
  • In the last 90 days, LTBR insiders reported 0 open-market purchases ($0) and 3 open-market sales ($147K) on Form 4, a net sale of $147K.

Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).

Revenue · FY2025
$0
10-K XBRL
Insiders · 90 days
0 buys · 3 sells
Net −$147K
13F holders
24 funds
$80.3M · −1 vs prior quarter
Latest 8-K
Sep 8, 2026
Item 7.01 · Item 8.01

AI 10-Q Quarterly Report Analysis

Latest 10-Q, quarter ended Jun 30, 2026

Risk Factors

  • No material changes to 2025 Form 10-K risk factors disclosed
  • Carried-forward risks not specified in provided excerpt
  • No new regulatory, legal, operational, competitive, or financial risk identified

AI summary of the LTBR 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K

AI 8-K Current Report Analysis

The most recent material events, by 8-K item

Filed Sep 8, 2026Full analysis →

Item 7.01: Regulation FD Disclosure

  • DOE selected Lightbridge to participate in Nuclear Energy Launch Pad INL
  • Program administered by DOE’s National Reactor Innovation Center at Idaho National Laboratory

Item 8.01: Other Events

  • Lightbridge selected for Launch Pad, signaling participation in an external development or commercialization program
  • Strategic validation may improve visibility and partnership prospects, but financial impact remains unspecified

Item EX-99.1: Item EX-99.1

  • DOE Launch Pad INL selection creates a two-track commercialization pathway: SHED under DOE authorization and LEFF under NRC licensing
  • Existing cash and financial resources currently expected to fund SHED construction, operation, and decommissioning
Filed Aug 26, 2026Full analysis →

Item 8.01: Other Events

  • Selection for DOE’s Nuclear Energy Launch Pad Program, administered through INL’s National Reactor Innovation Center
  • Government-backed program participation enhances Lightbridge’s reactor-development validation and strategic visibility
Filed Aug 7, 2026Full analysis →

Item 5.02: Departure/Appointment of Directors or Principal Officers

  • Andrey Mushakov promoted to Executive Vice President and Chief Operating Officer effective August 6, 2026
  • Existing compensation unchanged, with no related-party transaction or disclosed appointment arrangement

AI summaries of LTBR 8-K current reports filed with the SEC. What 8-K item codes mean

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Recent Insider Transactions (Form 4)

Latest reported trades by officers, directors and 10% owners

InsiderTypeDatePrice
Goodman SherriSellOct 1, 2026$6.29
Chakraborty SwetaSellSep 1, 2026$7.43
Holcombe Scott RandallFAug 28, 2026$7.55
Holcombe Scott RandallFAug 28, 2026$7.55
MUSHAKOV ANDREYFAug 28, 2026$7.55
GOLDMAN LARRYFAug 28, 2026$7.55
GRAE SETHFAug 28, 2026$7.55
Tobin Mark RobertSellAug 11, 2026$8.99

Financial Summary
XBRL

Annual financial summary from SEC XBRL data
MetricFY2023FY2024FY2025
Profitability
Revenue$0$0$0
Operating Income-$9.0M-$13.1M-$23.2M
Net Income-$7.9M-$11.8M-$19.6M
Balance Sheet
Total Assets$29.4M$41.0M$203.8M
Equity$28.9M$40.5M$203.0M
ROE-27.4%-29.1%-9.6%
Per Share
EPS$-0.65$-0.81-
Cash Flow
Operating CF-$6.5M-$9.5M-$14.3M

Source: XBRL data in LIGHTBRIDGE Corp (LTBR)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →

13F Fund Holdings: Quarterly Trend

Latest: Q2 2026

Aggregate LTBR share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table
LTBR shares held by 13F filers tracked by SignalX, by quarter
QuarterFundsTotal value
Q2 202624$80.3M
Q1 202625$84.7M
Q4 202524$108.0M
Q3 202523$139.2M
Q2 202518$59.5M
Q1 202515$12.5M
Q4 20248$6.2M
Q3 20245$672,000
Position changes: Q1 2026 → Q2 2026
Top Buyers
Top Sellers
New Positions
None this quarter.
Closed Positions

Source: 13F-HR filings on SEC EDGAR (aggregated from 142 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work

LTBR filing archive

AI analysis pages for each 10-K, 10-Q and 8-K

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling dateAnalysisSEC
4Oct 2, 2026--
8-KSep 8, 2026Analysis-
4Sep 2, 2026--
4Aug 28, 2026--
4Aug 28, 2026--
4Aug 28, 2026--
4Aug 28, 2026--
8-KAug 26, 2026Analysis-
4Aug 12, 2026--
4Aug 7, 2026--
4Aug 7, 2026--
4Aug 7, 2026--
4Aug 7, 2026--
8-KAug 7, 2026Analysis-
4Aug 7, 2026--
SC 13GAug 7, 2026-
4Aug 7, 2026--
4Aug 7, 2026--
4Aug 7, 2026--
4Aug 7, 2026--
10-QAug 6, 2026Analysis
8-KAug 5, 2026Analysis-
4Jul 1, 2026--
4Jun 22, 2026--
8-KMay 14, 2026Analysis

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LTBR SEC filings: frequently asked questions

Are LTBR insiders buying or selling?

In the last 90 days, LIGHTBRIDGE Corp (LTBR) officers, directors and 10% owners reported no open-market purchases and 3 open-market sales worth $147,197 by 3 insiders on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.

Which institutions hold LTBR stock?

As of June 30, 2026, the largest LIGHTBRIDGE Corp (LTBR) holders among the 13F filers tracked by SignalX were State Street Corp ($24.9 million), BlackRock ($22.6 million), Vanguard Capital Management LLC ($13.1 million), Millennium Management ($6.1 million), Renaissance Technologies LLC ($3.0 million). 13F-HR reports are filed up to 45 days after each quarter ends.

What was LTBR's revenue in fiscal year 2025?

For the fiscal year ended December 31, 2025 (FY2025), LIGHTBRIDGE Corp (LTBR) reported revenue of $0 and a net loss of $19.6 million. The figures come from the XBRL data in the 10-K.

What did LTBR report in its latest 8-K?

LIGHTBRIDGE Corp (LTBR) filed an 8-K on September 8, 2026 reporting Item 7.01 (Regulation FD Disclosure) and Item 8.01 (Other Events). DOE selected Lightbridge to participate in Nuclear Energy Launch Pad INL.

What are the latest LTBR SEC filings?

LIGHTBRIDGE Corp (LTBR) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on September 8, 2026 and a Form 4 insider filing on October 2, 2026.

What is LTBR's SEC CIK number?

LIGHTBRIDGE Corp (LTBR)'s SEC Central Index Key (CIK) is 1084554. EDGAR lists every LTBR filing under that number.

Ask anything about LTBR

The research agent reads LTBR's filings, financials, insider trades and 13F holders, then answers with sources.