---
schema_version: "secwatch.filing_event.v1"
accession: "0001801368-23-000014"
form_type: "8-K"
ticker: "MP"
cik: "0001801368"
company_name: "MP Materials Corp. / DE"
filed_at: "2023-03-09T23:59:59+00:00"
generated_at: "2026-06-18T07:27:50.960540+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# MP Materials expands board to 8, elects former Carnival CEO Arnold W. Donald as director

## Summary
- Board increased from 7 to 8 directors; Arnold W. Donald elected as Class III director.
- Mr. Donald appointed to the Compensation Committee; term expires at 2023 annual meeting.
- Former President and CEO of Carnival Corporation (2013-2022); also serves on boards of Bank of America and Salesforce.
- No material arrangements or transactions between Mr. Donald and the company; participates in standard non-employee director compensation plans.

## SEC filing metadata
- accession: 0001801368-23-000014
- form_type: 8-K
- ticker: MP
- cik: 0001801368
- company_name: MP Materials Corp. / DE
- filed_at: 2023-03-09T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1801368/000180136823000014/0001801368-23-000014-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1801368/000180136823000014/mp-20230308.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001801368-23-000014
- JSON: https://secwatch.observer/filing/0001801368-23-000014.json
- Plain text: https://secwatch.observer/filing/0001801368-23-000014.txt

## Key facts
- Executive change
  Arnold W. Donald was elected as Director at MP Materials Corp. / DE.
  - Action: elected
  - Role: Director
  source text: On March 8, 2023, the Board of Directors (the “Board”) of MP Materials Corp. (the “Company”) increased the size of the Board from seven directors to eight directors and subsequently elected Arnold W. Donald to fill the vacancy.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1801368/000180136823000014/0001801368-23-000014-index.htm

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