Maryanne Lavan - Jun 10, 2025 Form 4 Insider Report for MP Materials Corp. / DE (MP)

Role: Director
Signature: /s/ Elliot D. Hoops, Attorney-In-Fact for Maryanne Lavan
Stock symbol: MP
Transactions as of: Jun 10, 2025
Transactions value $: $0
Form type: 4
Date filed: 6/11/2025, 09:18 PM
Previous filing: Mar 31, 2025
Next filing: Jun 30, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Lavan Maryanne	Director	1700 S. PAVILION CENTER DRIVE, SUITE 800, LAS VEGAS	/s/ Elliot D. Hoops, Attorney-In-Fact for Maryanne Lavan	2025-06-11	0001495449

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MP	Restricted Stock Units	Award	$0	+4.96K		$0.00	4.96K	Jun 10, 2025	Common Stock	4.96K		Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit ("RSU") represents a contingent right to receive one share of MP Materials Corp. ("Issuer") common stock. These RSUs vest on the earlier of: (i) June 15, 2026; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a "change in control event" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability.

Content

Each restricted stock unit ("RSU") represents a contingent right to receive one share of MP Materials Corp. ("Issuer") common stock. These RSUs vest on the earlier of: (i) June 15, 2026; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a "change in control event" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability.