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: Corbett Ryan (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-12	Common Stock	A	16573	—	Acquired	173239	Direct
2026-01-12	Common Stock	A	30590	—	Acquired	203829	Direct
2026-01-12	Common Stock	F	12038	$65.34	Disposed	191791	Direct
2026-01-12	Common Stock	F	7315	$65.34	Disposed	184476	Direct
2026-01-13	Common Stock	F	5948	$63.82	Disposed	178528	Direct
2026-01-14	Common Stock	F	3511	$69.30	Disposed	175017	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: Represents the number of shares of Common Stock received upon vesting of restricted stock units with performance conditions award previously granted to the reporting person on February 23, 2023. Under the terms of this award, the restricted stock units with performance conditions cliff vest upon the conclusion of the three-year performance period from 01/01/2023 through 12/31/2025 and the certification of the Company's achievement of the pre-established performance conditions based on the relative total shareholder return of the Company's share price compared to the S&P 400 Index and S&P 400 Materials Index.

F3: Represents shares withheld to satisfy tax withholding obligations applicable to the vesting of restricted stock units with performance conditions 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 12, 2026.

F5: Represents shares withheld to satisfy tax withholding obligations applicable to the vesting of restricted stock units that vested on January 13, 2026.

F6: Represents shares withheld to satisfy tax withholding obligations applicable to the vesting of restricted stock units that vested on January 14, 2026.