---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-056846"
form_type: "8-K"
ticker: "MP"
cik: "0001801368"
company_name: "MP Materials Corp. / DE"
filed_at: "2024-03-04T23:59:59+00:00"
generated_at: "2026-06-05T04:50:29.022512+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# MP Materials announces $500M convertible note offering and $300M share buyback

## Summary
- $500M convertible senior notes due 2030 offered privately to QIBs; initial purchasers may buy additional $75M.
- Up to $300M share repurchase authorized, effective for 1 year with no minimum purchase.
- Net proceeds to fund capped call costs, repurchase $300M in stock, and buy back a portion of 0.25% 2026 convertible notes.
- Notes mature March 1, 2030; interest payable semi-annually; convertible into cash, shares, or combination at MP's election.
- Capped call transactions entered to reduce potential dilution upon conversion; derivative activity may affect stock price.

## SEC filing metadata
- accession: 0001193125-24-056846
- form_type: 8-K
- ticker: MP
- cik: 0001801368
- company_name: MP Materials Corp. / DE
- filed_at: 2024-03-04T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1801368/000119312524056846/0001193125-24-056846-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1801368/000119312524056846/d797120d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-056846
- JSON: https://secwatch.observer/filing/0001193125-24-056846.json
- Plain text: https://secwatch.observer/filing/0001193125-24-056846.txt

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