---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-26-001027"
form_type: "8-K"
ticker: "LTBR"
cik: "0001084554"
company_name: "LIGHTBRIDGE Corp"
filed_at: "2026-02-25T23:59:59+00:00"
generated_at: "2026-05-16T00:03:58.844069+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Lightbridge FY2025 net loss widens to $19.6M; working capital jumps to $201.7M

## Summary
- Net loss of $19.6M vs $11.8M in FY2024; R&D expenses doubled to $9.2M on fuel development activities.
- Working capital rose to $201.7M from $39.9M; cash and equivalents reached $201.9M, driven by $176M net ATM equity sales.
- Co-extruded depleted and enriched uranium-zirconium alloy samples with Idaho National Lab; testing started at Advanced Test Reactor.
- General and administrative expenses increased $5.5M to $14.0M, primarily due to stock-based compensation and professional fees.
- No revenue reported; company remains a pre-commercial advanced nuclear fuel technology developer.

## SEC filing metadata
- accession: 0001477932-26-001027
- form_type: 8-K
- ticker: LTBR
- cik: 0001084554
- company_name: LIGHTBRIDGE Corp
- filed_at: 2026-02-25T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1084554/000147793226001027/0001477932-26-001027-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1084554/000147793226001027/ltbr_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-26-001027
- JSON: https://secwatch.observer/filing/0001477932-26-001027.json
- Plain text: https://secwatch.observer/filing/0001477932-26-001027.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.