---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-24-002638"
form_type: "8-K"
ticker: "LTBR"
cik: "0001084554"
company_name: "LIGHTBRIDGE Corp"
filed_at: "2024-05-09T23:59:59+00:00"
generated_at: "2026-06-02T04:49:09.941863+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Lightbridge Q1 net loss widens to $2.8M; cash burn increases on R&D ramp

## Summary
- Net loss of $2.8M for Q1 2024 vs $2.0M in Q1 2023, driven by higher R&D and G&A costs.
- Cash and equivalents $27.9M at March 31, 2024, down $0.7M from Dec 31, 2023.
- R&D expenses doubled to $1.0M from $0.4M, reflecting INL project labor and outside costs.
- INL achieved demonstration of partial-length fuel rod sample using depleted uranium-zirconium alloy.
- Working capital stood at $27.4M as of March 31, 2024, compared to $28.3M at year-end 2023.

## SEC filing metadata
- accession: 0001477932-24-002638
- form_type: 8-K
- ticker: LTBR
- cik: 0001084554
- company_name: LIGHTBRIDGE Corp
- filed_at: 2024-05-09T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1084554/000147793224002638/0001477932-24-002638-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1084554/000147793224002638/ltbr_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-24-002638
- JSON: https://secwatch.observer/filing/0001477932-24-002638.json
- Plain text: https://secwatch.observer/filing/0001477932-24-002638.txt

## Key facts
- Earnings Releases
  LIGHTBRIDGE Corp reported the first quarter ended March 31, 2024 results: net income Net loss was $2.8 million for the first quarter ended March 31, 2024.
  - Period: the first quarter ended March 31, 2024
  - Net income: Net loss was $2.8 million for the first quarter ended March 31, 2024
  - Result: reported results
  source text: Net loss was $2.8 million for the first quarter ended March 31, 2024, compared to $2.0 million for the first quarter ended March 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1084554/000147793224002638/0001477932-24-002638-index.htm

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