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

Jan 14, 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: Litinsky James H. (Director, Chairman and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-12	Common Stock	A	65422	—	Acquired	277766	Direct
2026-01-12	Common Stock	A	38238	—	Acquired	316004	Direct
2026-01-12	Common Stock	F	38238	$65.34	Disposed	277766	Direct
2026-01-12	Common Stock	F	26316	$65.34	Disposed	251450	Direct
2026-01-13	Common Stock	F	35053	$63.82	Disposed	216397	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	12805965	Indirect

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: James Litinsky as sole trustee of the James Henry Litinsky, Trustee of James Henry Litinsky Revocable Trust u/a/d 10/19/2011.