Maryanne Lavan - 15 Jun 2026 Form 4 Insider Report for MP Materials Corp. / DE (MP)

Reporting relationship: Director
Issuer ticker: MP
Reported as of: 15 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 15 Jun 2026, 20:00:47 UTC
Prior SEC filing: 10 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Elliot D. Hoops, Attorney-In-Fact for Maryanne Lavan

Key filing fact

Maryanne Lavan filed Form 4 for MP Materials Corp. / DE (MP) on 15 Jun 2026.

Key facts

This page summarizes Maryanne Lavan's Form 4 filing for MP Materials Corp. / DE (MP).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 15 Jun 2026, 20:00.

Change

Previous filing in this sequence was filed on 10 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001495449 Primary reporting owner

Lavan Maryanne

Relationship: Director
Address: 1700 S. PAVILION CENTER DRIVE, SUITE 800, LAS VEGAS
Signature: /s/ Elliot D. Hoops, Attorney-In-Fact for Maryanne Lavan
Signature date: 15 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MP transaction

Common Stock

Options Exercise

Transaction value
Shares: +3,998
Change %: +20%
Price
Shares after: 23,753
Date: 15 Jun 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MP transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -3,998
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 15 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,998
Exercise price
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Restricted stock units convert into common stock on a one-for-one basis.

Footnote F2

On November 17, 2020, the reporting person was granted 3,998 restricted stock units, which vested on June 1, 2021, and the reporting person's receipt of the shares of common stock was deferred until June 15, 2026.