---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-24-004633"
form_type: "8-K"
ticker: "LTBR"
cik: "0001084554"
company_name: "LIGHTBRIDGE Corp"
filed_at: "2024-08-09T23:59:59+00:00"
generated_at: "2026-05-31T10:19:41.644563+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# Lightbridge files new prospectus supplement for ongoing ATM equity offering

## Summary
- ATM sales agreement originally dated May 28, 2019, was amended most recently on May 8, 2024.
- Prospectus supplement dated August 9, 2024 filed under effective shelf registration (File No. 333-278388).
- Shares may be sold through Stifel as agent via Rule 415 at-the-market methods.
- Opinion of Gary R. Henrie, Esq. and consent filed as exhibits for incorporation by reference.

## SEC filing metadata
- accession: 0001477932-24-004633
- form_type: 8-K
- ticker: LTBR
- cik: 0001084554
- company_name: LIGHTBRIDGE Corp
- filed_at: 2024-08-09T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1084554/000147793224004633/0001477932-24-004633-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1084554/000147793224004633/ltbr_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-24-004633
- JSON: https://secwatch.observer/filing/0001477932-24-004633.json
- Plain text: https://secwatch.observer/filing/0001477932-24-004633.txt

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