Insider plans MP (NYSE: MP) Rule 144 sale of 7,823 shares

Rhea-AI Filing Summary

MP Materials Corp. has a planned sale notice under SEC Rule 144 for 7,823 shares of common stock, with an aggregate market value of $533,569.28. The shares are to be sold through Merrill on the NYSE, with an approximate sale date of 01/20/2026. MP Materials had 177,230,483 shares of common stock outstanding at the time stated.

The securities to be sold come from restricted stock that vested on 01/12/2026 and 01/13/2026, in amounts of 3,942 and 3,881 common shares, respectively, acquired from MP Materials Corp. The person for whose account the securities are to be sold represents that they do not know of any undisclosed material adverse information about the issuer’s current or prospective operations.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
common	Merrill 8890 Lyra Dr 5th Flr Columbus OH 43240	7823	533569.28	177230483	01/20/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	01/12/2026	Restricted stock vest	MP Materials Corp			3942	01/12/2026	NA
Common	01/13/2026	Restricted stock vest	MP Materials Corp			3881	01/13/2026	NA

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the MP (symbol: MP) Rule 144 filing disclose?

It discloses a planned sale under Rule 144 of 7,823 shares of MP Materials Corp. common stock, with an aggregate market value of $533,569.28, to be sold on the NYSE through Merrill.

When are the MP Materials shares expected to be sold under this Form 144?

The notice states an approximate sale date of 01/20/2026 for the 7,823 common shares to be sold on the NYSE.

How were the MP (MP) shares being sold under Rule 144 acquired?

The 7,823 MP Materials common shares come from restricted stock that vested on 01/12/2026 and 01/13/2026, in amounts of 3,942 and 3,881 shares, respectively, acquired from MP Materials Corp..

How many MP Materials shares were outstanding when this Rule 144 notice was filed?

The filing reports that 177,230,483 shares of MP Materials common stock were outstanding as of the stated reference point.

Which broker is handling the MP Materials Rule 144 share sale?

The filing lists Merrill, located at 8890 Lyra Dr, 5th Floor, Columbus, OH 43240, as the broker for the planned sale of 7,823 MP Materials common shares on the NYSE.

What representation does the selling person make in this MP Form 144?

The person for whose account the securities are to be sold represents that they do not know any material adverse information about MP Materials’ current or prospective operations that has not been publicly disclosed.