Connie K. Duckworth - 30 Jun 2026 Form 4 Insider Report for MP Materials Corp. / DE (MP)

Reporting relationship: Director
Issuer ticker: MP
Reported as of: 30 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 30 Jun 2026, 20:31:19 UTC
Prior SEC filing: 15 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Elliot D. Hoops, Attorney-In-Fact for Connie K. Duckworth

Key filing fact

Connie K. Duckworth filed Form 4 for MP Materials Corp. / DE (MP) on 30 Jun 2026.

Key facts

This page summarizes Connie K. Duckworth's Form 4 filing for MP Materials Corp. / DE (MP).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 30 Jun 2026, 20:31.

Change

Previous filing in this sequence was filed on 15 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 0001180940 Primary reporting owner

DUCKWORTH CONNIE K

Relationship: Director
Address: 1700 S. PAVILION CENTER DRIVE, SUITE 800, LAS VEGAS
Signature: /s/ Elliot D. Hoops, Attorney-In-Fact for Connie K. Duckworth
Signature date: 30 Jun 2026

Reported non-derivative transactions

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

MP transaction

Common Stock

Award

Transaction value
Shares: +624
Change %: +1.5%
Price: $0.000000^*
Shares after: 41,774
Date: 30 Jun 2026
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents deferred stock units ("DSUs") awarded in connection with the election to defer cash retainers by the reporting person. Each DSU represents a right to receive a share of the registrant's common stock and are fully vested on grant. The DSUs will be settled upon the earlier to occur of the following: (i) June 15th occurring following the close of the fifth calendar year following the close of the calendar year in which the cash retainers are earned; (ii) certain changes in control of the registrant; and (iii) the date of the reporting person's separation from service.