---
schema_version: "secwatch.filing_event.v1"
accession: "0001801368-24-000092"
form_type: "8-K"
ticker: "MP"
cik: "0001801368"
company_name: "MP Materials Corp. / DE"
filed_at: "2024-12-17T23:59:59+00:00"
generated_at: "2026-05-29T02:30:57.434459+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# MP Materials exchanges $142.3M of 0.25% notes due 2026 for $115.3M of 3.00% notes due 2030

## Summary
- Exchanged ~$142.3M of 2026 0.25% green convertible notes for ~$115.3M of 2030 3.00% convertible notes.
- Net debt reduction of ~$27M, extending maturity profile by four years.
- Additional 2030 notes are fungible with existing series, up to 7.42M common shares issuable upon conversion.
- Private exchange increases from prior $131.6M-to-$106.6M announced; securities unregistered.

## SEC filing metadata
- accession: 0001801368-24-000092
- form_type: 8-K
- ticker: MP
- cik: 0001801368
- company_name: MP Materials Corp. / DE
- filed_at: 2024-12-17T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1801368/000180136824000092/0001801368-24-000092-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1801368/000180136824000092/mp-20241216.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001801368-24-000092
- JSON: https://secwatch.observer/filing/0001801368-24-000092.json
- Plain text: https://secwatch.observer/filing/0001801368-24-000092.txt

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