---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-25-004592"
form_type: "8-K"
ticker: "SDST"
cik: "0001831979"
company_name: "Stardust Power Inc."
filed_at: "2025-02-03T23:59:59+00:00"
generated_at: "2026-05-27T04:05:48.682516+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Stardust Power signs non-binding offtake letter with Sumitomo for 20,000 mt/yr lithium carbonate

## Summary
- Non-binding letter with Sumitomo for 20,000 mt/yr lithium carbonate, potential to 25,000 mt/yr.
- Initial term 10 years from first product qualification; Sumitomo has 5-year renewal option.
- Pricing based on spot market indices (Fastmarkets or mutually agreed agency).
- Prior to battery-grade qualification, Sumitomo would buy technical grade lithium at spot prices.
- Definitive agreement subject to negotiation; timeline with milestones to be set.

## SEC filing metadata
- accession: 0001493152-25-004592
- form_type: 8-K
- ticker: SDST
- cik: 0001831979
- company_name: Stardust Power Inc.
- filed_at: 2025-02-03T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1831979/000149315225004592/0001493152-25-004592-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1831979/000149315225004592/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-25-004592
- JSON: https://secwatch.observer/filing/0001493152-25-004592.json
- Plain text: https://secwatch.observer/filing/0001493152-25-004592.txt

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