MP Materials Corp. / DE — Director's Dealing 2026

Jan 15, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MP Materials Corp. / DE (MP)
CIK: 0001801368
Period of Report: 2026-01-12

Reporting Person: Infuso David Gregory (Chief Accounting Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-12	Common Stock	A	3894	—	Acquired	51988	Direct
2026-01-12	Common Stock	A	1301	—	Acquired	53289	Direct
2026-01-12	Common Stock	F	581	$65.34	Disposed	52708	Direct
2026-01-13	Common Stock	F	1820	$63.82	Disposed	50888	Direct
2026-01-14	Common Stock	F	444	$69.30	Disposed	50444	Direct

Footnotes

F1: The securities reported are restricted stock units that vest in four annual installments beginning on the first anniversary of the grant date. Each restricted stock unit represents the contingent right to receive, upon vesting of the unit, one share of the issuer's common stock.

F2: The securities reported are restricted stock units that vested on the date of grant.

F3: Represents shares withheld to satisfy tax withholding obligations applicable to the vesting of restricted stock units that vested on January 12, 2026.

F4: Represents shares withheld to satisfy tax withholding obligations applicable to the vesting of restricted stock units that vested on January 13, 2026.

F5: Represents shares withheld to satisfy tax withholding obligations applicable to the vesting of restricted stock units that vested on January 14, 2026.