---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-23-003245"
form_type: "8-K"
ticker: "LTBR"
cik: "0001084554"
company_name: "LIGHTBRIDGE Corp"
filed_at: "2023-05-10T23:59:59+00:00"
generated_at: "2026-06-15T05:46:35.526998+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Lightbridge Q1 2023 net loss $2.0M, cash $28.1M; INL and PNNL milestones

## Summary
- Net loss $2.0M for Q1 2023, unchanged from Q1 2022; no revenue reported.
- Cash $28.1M, down $0.8M from Dec 31, 2022; working capital $27.9M; no debt.
- Operating cash use $1.5M (down $0.4M YoY); R&D expenses $0.4M (up $0.1M).
- Completed Quality Implementation Plan with Idaho National Laboratory; demonstrated fuel casting with PNNL under GAIN voucher.
- Management highlights positive nuclear macro outlook; well positioned for Lightbridge Fuel commercialization.

## SEC filing metadata
- accession: 0001477932-23-003245
- form_type: 8-K
- ticker: LTBR
- cik: 0001084554
- company_name: LIGHTBRIDGE Corp
- filed_at: 2023-05-10T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1084554/000147793223003245/0001477932-23-003245-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1084554/000147793223003245/ltbr_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-23-003245
- JSON: https://secwatch.observer/filing/0001477932-23-003245.json
- Plain text: https://secwatch.observer/filing/0001477932-23-003245.txt

## Key facts
- Earnings Releases
  LIGHTBRIDGE Corp reported financial results for first quarter ended March 31, 2023.
  - Period: first quarter ended March 31, 2023
  - Result: reported results
  source text: On May 10, 2023, Lightbridge Corporation issued a press release relating to its results for the quarter ended March 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1084554/000147793223003245/0001477932-23-003245-index.htm

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