---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-21-009045"
form_type: "8-K"
ticker: "LTBR"
cik: "0001084554"
company_name: "LIGHTBRIDGE Corp"
filed_at: "2021-12-09T23:59:59+00:00"
generated_at: "2026-06-28T02:19:09.799774+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Lightbridge exchanges all Series B preferred for 522,244 common shares at $10.00

## Summary
- Exchanged 2,666,667 Series B preferred shares for 522,244 common shares at $10.00 per share.
- Total liquidation preference plus accrued dividends approx. $5.2 million.
- Exchange was exempt from registration under Section 3(a)(9) of the Securities Act.
- All Series B preferred shares are eliminated; common stock dilution of about 522k shares.

## SEC filing metadata
- accession: 0001477932-21-009045
- form_type: 8-K
- ticker: LTBR
- cik: 0001084554
- company_name: LIGHTBRIDGE Corp
- filed_at: 2021-12-09T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 3.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1084554/000147793221009045/0001477932-21-009045-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1084554/000147793221009045/ltbr_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-21-009045
- JSON: https://secwatch.observer/filing/0001477932-21-009045.json
- Plain text: https://secwatch.observer/filing/0001477932-21-009045.txt

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