---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-25-001278"
form_type: "8-K"
ticker: "LTBR"
cik: "0001084554"
company_name: "LIGHTBRIDGE Corp"
filed_at: "2025-02-26T23:59:59+00:00"
generated_at: "2026-05-26T03:12:49.939011+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Lightbridge FY2024 net loss $11.8M, cash $40M; R&D spend doubles, fuel milestones achieved

## Summary
- Net loss $11.8M (2023: $7.9M); working capital $39.9M; cash $40.0M, up $11.4M from ATM issuance.
- R&D expenses $4.6M (2023: $1.9M) driven by Lightbridge Fuel development at Idaho National Laboratory.
- Successful co-extrusion of depleted uranium/zirconium sample with nuclear-grade cladding announced Feb 2025.
- MIT safety evaluation at TopFuel 2024 showed improved thermal-hydraulic margins and lower operating temps.
- Anticipates ~$17M total R&D capex and opex for 2025, reflecting continued fuel technology advancement.

## SEC filing metadata
- accession: 0001477932-25-001278
- form_type: 8-K
- ticker: LTBR
- cik: 0001084554
- company_name: LIGHTBRIDGE Corp
- filed_at: 2025-02-26T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1084554/000147793225001278/0001477932-25-001278-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1084554/000147793225001278/ltbr_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-25-001278
- JSON: https://secwatch.observer/filing/0001477932-25-001278.json
- Plain text: https://secwatch.observer/filing/0001477932-25-001278.txt

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