---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-24-001583"
form_type: "8-K"
ticker: "LTBR"
cik: "0001084554"
company_name: "LIGHTBRIDGE Corp"
filed_at: "2024-03-29T23:59:59+00:00"
generated_at: "2026-06-04T05:11:08.580990+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Lightbridge increases Battelle contract by $635K for fuel irradiation testing at INL

## Summary
- Modification No. 2 adds ~$635K to Lightbridge's reimbursement obligations to Battelle for Idaho National Laboratory work.
- Total estimated cost under the Umbrella SPPA raised to $1,708,623.
- Total cash payments under both Agreements estimated at ~$4.3M on cost-reimbursable basis over performance periods.
- Work involves fabricating delta-phase enriched U/Zr alloy ingot and irradiating fuel coupon specimens in ATR.
- Agreements with Battelle and DOE have initial 7-year term; feedstock materials contributed by Battelle and DOE.

## SEC filing metadata
- accession: 0001477932-24-001583
- form_type: 8-K
- ticker: LTBR
- cik: 0001084554
- company_name: LIGHTBRIDGE Corp
- filed_at: 2024-03-29T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 1.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1084554/000147793224001583/0001477932-24-001583-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1084554/000147793224001583/ltbr_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-24-001583
- JSON: https://secwatch.observer/filing/0001477932-24-001583.json
- Plain text: https://secwatch.observer/filing/0001477932-24-001583.txt

## Key facts
- Material Agreements
  LIGHTBRIDGE Corp amended Modification No. 2 with Battelle Energy Alliance, LLC valued at approximately $635,000 (effective 2024-03-26).
  - Action: amendment
  - Agreement: collaboration
  - Counterparty: Battelle Energy Alliance, LLC
  - Value: approximately $635,000
  - Effective: 2024-03-26
  source text: On March 26, 2024, Lightbridge Corporation (“Lightbridge” or the “Company”) and Battelle Energy Alliance, LLC (“Battelle”), the operating contractor of Idaho National Laboratory, entered into Modification No. 2 (“Modification No. 2”) to the Project Task Statement under the Strategic Partnership Project Agreement, dated December 9, 2022, as amended on May 23, 2023, by and between the Company and Battelle.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1084554/000147793224001583/0001477932-24-001583-index.htm

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